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  • 07:56 Popular Where Do Teeth Come From?

    Where Do Teeth Come From?

    2,492 views / 5 likes - added

    Watch the tasty new series “Tacos of Texas” https://www.youtube.com/channel/UCdzQ_ilHPH3rQtgzo4nKM_g Remember to brush, floss, and SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Teeth. We’ve all got ‘em (most of us, anyway). But

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  • 13:30 Popular The Fastest Animals Are Way Faster Than You Think

    The Fastest Animals Are Way Faster Than You Think

    2,288 views / 22 likes - added

    Take the PBS Digital Studios annual survey: http://to.pbs.org/2020surveySubscribe to @Ant Lab and @Physics Girl!!! More info and sources below The fastest animal in nature isnt what you think it is. Its way, way smaller than that. Natures tiniest creature

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  • 04:51 Popular What If There Were No Sharks?

    What If There Were No Sharks?

    2,076 views / 14 likes - added

    Vote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk ---- Follow this link to more shark science videos by your favorite YouTubers!! http://bit.ly/1sugd0z↓ More info and sources below ↓ Follow on Twitter:

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  • 05:39 Popular DNA Doesn’t Look Like What You Think!

    DNA Doesn’t Look Like What You Think!

    2,075 views / 0 likes - added

    I used #badDNA once in this video. Can you find it? Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ If you see #badDna, be sure to show me on Twitter! @DrJoeHanson @o

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  • 03:12 Popular What Color Is The Universe?

    What Color Is The Universe?

    1,608 views / 2 likes - added

    Hint: It’s not black Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ When you stare up at the night sky, you might think that the universe is really black, but that’s just because our eyes aren’t sensitive enough

  • 05:00 Popular How Much Plastic is in the Ocean?

    How Much Plastic is in the Ocean?

    1,593 views / 5 likes - added

    What can you do to make the oceans plastic-free? ↓↓↓Check the resources below ↓↓↓ Ocean plastic pollution is a massive environmental problem. Millions of tons of plastic waste enter the ocean every year, even plastic that goes in the trash can often ends

  • 04:21 Popular Why Are The Bees Dying?

    Why Are The Bees Dying?

    1,578 views / 6 likes - added

    If bees go, will they take us with them? Subscribe: http://bit.ly/iotbs_sub Twitter: @jtotheizzoe @okaytobesmart ↓ More info and sources below ↓ Bees, wild and domesticated, are in big trouble. Bee colonies are dying off at alarming rates, and the cause i

  • 07:12 Popular Theory Vs. Hypothesis Vs. Law… Explained!

    Theory Vs. Hypothesis Vs. Law… Explained!

    1,571 views / 0 likes - added

    Think you know the difference? Tweet ⇒ http://bit.ly/OKTBStheory Share on FB ⇒ http://bit.ly/theoryFB ↓ More info and sources below ↓ Some people try to attack things like evolution by natural selection and man-made climate change by saying “Oh, that’s ju

  • 06:32 Popular How Baby Turtles Find Their Way Home

    How Baby Turtles Find Their Way Home

    1,569 views / 11 likes - added

    Do it for the turtles… SUBSCRIBE! http://bit.ly/iotbs_sub Tweet this video ⇒ http://bit.ly/OKTBSkemp Share on FB ⇒ http://bit.ly/OKTBSkempFB ↓ More info and sources below ↓ Want to wear your love for science? We’ve got merch: http://dftba.com/besmart Spec

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  • 07:56 Popular 6 Chemical Reactions That Changed History

    6 Chemical Reactions That Changed History

    1,511 views / 1 likes - added

    Chemicals React! Get yourself an awesome IOTBS shirt! http://dftba.com/besmart ↓ More info and sources below ↓ For lots more of history’s greatest chemical innovations, check out “The Chemistry Book” by Derek B. Lowe: http://amzn.to/1snWG44 ---- Have an i

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  • 04:29 Popular How Does A Canyon Become Grand?

    How Does A Canyon Become Grand?

    1,509 views / 8 likes - added

    And a very Grand Canyon it is… Subscribe: http://bit.ly/iotbs_sub Twitter: @jtotheizzoe @okaytobesmart ↓ More info and sources below ↓ Thanks to Mike from PBS Idea Channel and Jamin from PBS Game/Show for hanging out at the Grand Canyon with me! https://w

  • 06:33 Popular How Do Bees Make Honey?

    How Do Bees Make Honey?

    1,504 views / 3 likes - added

    Let PBS know more about you and what digital series you’d like to see: http://surveymonkey.com/r/pbsds2016 Tweet this ⇒ http://bit.ly/OKTBShunE Share on FB ⇒ http://bit.ly/OKTBShunEfb ↓ More info and sources below ↓ Check out our BEE PLAYLIST! http://bit.

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  • 06:45 Popular CRISPR and the Future of Human Evolution

    CRISPR and the Future of Human Evolution

    1,493 views / 0 likes - added

    Part 4 of our special series on Human Ancestry. Watch it all: http://bit.ly/OKTBSHuman Watch Mutant Menu on BrainCraft: https://youtu.be/NrDM6Ic2xMM ↓↓↓More info and sources below ↓↓↓ In part 4 of our special series on human ancestry and evolution, we loo

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  • 04:46 Popular How Many Heartbeats Do We Get?

    How Many Heartbeats Do We Get?

    1,460 views / 1 likes - added

    Science really gets my heart going… Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/okaytobesmart http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart

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  • 07:21 Popular How the Meter Became the Meter

    How the Meter Became the Meter

    1,399 views / 1 likes - added

    Try CuriosityStream and learn something new today: http://curiositystream.com/smart ↓ More info and sources below ↓ The meter is the world’s ultimate measure, but how did it become “the” meter? What is this measurement based on? The story of this revoluti

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  • 03:25 Popular Does The Moon Really Orbit The Earth?

    Does The Moon Really Orbit The Earth?

    1,367 views / 2 likes - added

    What holds the moon up? Moonbeams! Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ According to Newton’s law of gravitation, the sun should “pull” way harder on the moon than the Earth does. So does the moon actu

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  • 04:43 Popular How Many Species Are There?

    How Many Species Are There?

    1,332 views / 1 likes - added

    How do we protect what we don’t know exists? Don’t miss the next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓ More info and sources below ↓ How many species are there on Earth? In biology, this is one of a fundamental question that we still don’t have a

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  • 04:52 Popular Why Does The Earth Have Layers?

    Why Does The Earth Have Layers?

    1,263 views / 3 likes - added

    …or why we live on an onion made of magma. Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram:

  • 07:52 Popular 20 MILLION Year-Old Spider!! Unweaving Spider Silk

    20 MILLION Year-Old Spider!! Unweaving Spider Silk

    1,239 views / 5 likes - added

    You’ll never look at spiders the same way again! Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Living things have engineered some pretty awesome materials, but I’m not sure anything measures up to spi

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  • 07:31 Popular Why Don't Birds Lay Square Eggs?

    Why Don't Birds Lay Square Eggs?

    1,228 views / 0 likes - added

    I have new merch! Link down belowSUBSCRIBE so you dont miss a video! http://bit.ly/iotbs_sub More info and sources below What is egg-shaped even? I used to think it was the shape of a chicken egg. Then one day I saw a collection of eggs from lots of diffe

  • 03:32 Popular Why I'm Scared Of Spiders

    Why I'm Scared Of Spiders

    1,226 views / 6 likes - added

    Joe's proposed SXSW panel is "Science on YouTube: Where the Smart Kids Are". Vote for it before 9/4! http://vid.io/xqTj The science of… OH GOD IS THAT A SPIDER?! Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ F

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  • 07:25 Popular Could You Be Immune To Everything?

    Could You Be Immune To Everything?

    1,222 views / 0 likes - added

    You can learn more at https://curiositystream.com/smart Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ **We said 30 days free, but CuriosityStream is feeling extra generous and is giving our viewers th

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  • 05:35 Popular Could Planet Minecraft Actually Exist?

    Could Planet Minecraft Actually Exist?

    1,213 views / 3 likes - added

    This episode is brought to you by Dropbox https://www.dropbox.com/ Tweet ⇒ http://bit.ly/OKTBSmcraft Share on FB ⇒ http://bit.ly/OKTBSmcraftFB ↓ More info and sources below ↓ Gravitational field of a cubic planet: Chappell, James Michael, et al. "The grav

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  • 06:31 Popular Did Dinosaurs Really Go Extinct?

    Did Dinosaurs Really Go Extinct?

    1,184 views / 0 likes - added

    Welcome to… Jurassic Pluck Subscribe: http://bit.ly/iotbs_sub Twitter: @jtotheizzoe @okaytobesmart ↓ More info and sources below ↓ Most people are taught that dinosaurs went extinct 66 million years ago when a giant meteor crashed into the Yucatan peninsu

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  • 03:59 Popular A Slice Of Pizza Science!

    A Slice Of Pizza Science!

    1,175 views / 1 likes - added

    How does math keep a folded slice from drooping? And what does pizza have to do with the speed of light?↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com How a 19th Century

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  • 07:08 Popular Inside The World Of Fire Ants!

    Inside The World Of Fire Ants!

    1,165 views / 4 likes - added

    A song of ants and fire… and ant-decapitating flies Tweet this video ⇒ http://bit.ly/OKTBSants Share on FB ⇒ http://bit.ly/OKTBSantsFB ↓ More info and sources below ↓ Get yourself an awesome IOTBS shirt! http://dftba.com/besmart Special thanks to Dr. Rob

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  • 04:08 Popular What's The Loudest Possible Sound?

    What's The Loudest Possible Sound?

    1,161 views / 2 likes - added

    It’s definitely higher than “11” Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ What is the loudest possible sound? What about the quietest thing we can hear? And what do decibels measure, anyway? In this video

  • 06:28 Popular 1 MILLION Species Could Go Extinct Here's Why.

    1 MILLION Species Could Go Extinct Here's Why.

    1,157 views / 0 likes - added

    Check out Hot Mess: http://www.youtube.com/hotmesspbs SUBSCRIBE so you dont miss a video! http://bit.ly/iotbs_sub More info and sources below A massive new study has just been released showing that human activities are threatening Earths other life forms

  • 04:18 Popular The Surprising Places We Waste Energy

    The Surprising Places We Waste Energy

    1,106 views / 0 likes - added

    Check out our whole series on ENERGY! http://bit.ly/1BnH5zu Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ We use a LOT of energy, but we waste a lot too. Where that waste happens might surprise, you though. We

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  • 05:54 Popular Who Built The Pyramids

    Who Built The Pyramids

    1,095 views / 3 likes - added

    Try 23andMe: http://www.23andme.com/okay Enjoy this video? SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓More info and sources below ↓↓↓ Who built the pyramids? The colossal geometric monuments found at Giza and elsewhere in Egypt are some of Earth’s most impr

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  • 03:57 Popular How The Elements Got Their Names

    How The Elements Got Their Names

    1,080 views / 0 likes - added

    There's a story inside every box SUBSCRIBE, it's FREE! http://bit.ly/iotbs_sub ↓ More below ↓ Ever wonder what all those names on the periodic table actually mean? There's a whole lot of fascinating history on Mendeleev's table. Some carry names

  • 05:46 Popular Can Coral Reefs Survive Climate Change? #OursToLose

    Can Coral Reefs Survive Climate Change? #OursToLose

    1,078 views / 5 likes - added

    This episode is brought to you by Dropbox https://www.dropbox.com/ Tweet ⇒ http://bit.ly/OKTBScoral Share on FB ⇒ http://bit.ly/OKTBScoralFB ↓ More info and sources below ↓ We can’t afford to wait any longer to act on climate change. Check out #OursToLose

  • 03:55 Popular Dogs and Humans: A 30,000-Year Friendship

    Dogs and Humans: A 30,000-Year Friendship

    1,057 views / 0 likes - added

    Are you more of a cat person? Follow me to MinuteEarth to discover the origin of our feline friends! https://youtu.be/LWB0-tGwb_E ↓↓↓More info and sources below ↓↓↓ Of all the species that humans have domesticated, dogs are our oldest animal friends. But

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  • 07:31 Popular Could Bigfoot REALLY Exist?

    Could Bigfoot REALLY Exist?

    1,054 views / 1 likes - added

    This episode brought to you by Squarespace: http://squarespace.com/itsokaytobesmart PBS Idea Channel goes to Area 51: https://youtu.be/WCFJh0fdlD8 ↓ More info and sources below ↓ **Check out these books: “The Demon Haunted World - Science as a Candle in t

  • 04:01 Popular How Many Stars Are There?

    How Many Stars Are There?

    1,022 views / 2 likes - added

    Counting stars from the shore of the cosmic ocean… Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ LIKE THE SHIRT I'M WEARING? It's glow in the dark! You can get it here (along with space undies and other good st

  • 06:01 Popular Thomas Jefferson And The Giant Moose

    Thomas Jefferson And The Giant Moose

    1,010 views / 3 likes - added

    E pluribus moose-um Subscribe: http://bit.ly/iotbs_sub Twitter: @jtotheizzoe @okaytobesmart ↓ More info and sources below ↓ America’s first great science battle wasn’t the space race or the atom bomb, it was fought between Thomas Jefferson, a French noble

  • 06:12 Popular Could We Clone Ourselves?

    Could We Clone Ourselves?

    1,007 views / 0 likes - added

    Just be yourself! Or be your other self. Whichever. Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ Is the science of Orphan Black realistic? Could we clone humans, or engineer them to have customized traits? We

  • 07:09 Popular Illuminating the Universe: The History of Light

    Illuminating the Universe: The History of Light

    1,005 views / 0 likes - added

    Try CuriosityStream today: http://curiositystream.com/smart ↓ More info and sources below ↓ Beyond what we can touch, taste, smell, and hear, we experience the universe through light. But how did we come to discover light, and how did we learn light’s tru

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  • 07:04 Popular How the Pyramids Were Built (Pyramid Science Part 2!)

    How the Pyramids Were Built (Pyramid Science Part 2!)

    992 views / 2 likes - added

    Try Skillshare at http://skl.sh/besmart Help us build something great and SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓More info and sources below ↓↓↓ You asked for it, so here’s the follow-up! Just because something is difficult doesn’t mean it’s impossible.

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  • 12:44 Popular Recycling Is Broken. Here's How We Can Fix It.

    Recycling Is Broken. Here's How We Can Fix It.

    982 views / 4 likes - added

    Thanks to Brilliant for supporting PBS. Learn more at: https://brilliant.org/BeSmart Were on PATREON now! Join the community https://www.patreon.com/itsokaytobesmart More info and sources below SUBSCRIBE so you dont miss a video! http://bit.ly/iotbs_sub I

  • 06:29 Popular Why Do Clouds Stay Up?

    Why Do Clouds Stay Up?

    981 views / 2 likes - added

    There’s nothing wrong with having your head in the clouds. Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Foll

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  • 06:23 Popular VENOM: Nature’s Killer Cocktails

    VENOM: Nature’s Killer Cocktails

    973 views / 3 likes - added

    Check out “Venomous” by Christie Wilcox: http://bit.ly/VenomousBook Help us translate this video! http://www.youtube.com/timedtext_video?ref=share&v=Qd92MuVZXik ↓ More info and sources below ↓ Get yourself an awesome IOTBS shirt! http://dftba.com/besmart

  • 06:35 Popular Hurricanes: Engines Of Destruction

    Hurricanes: Engines Of Destruction

    964 views / 5 likes - added

    The physics of the perfect storm… Win a t-shirt by answering our challenge question! Put “#hurricanechallenge” to the subject line! ↓ More info and sources below ↓ Get yourself an awesome IOTBS shirt! http://dftba.com/besmart Learn more/references: “Divin

  • 05:21 Popular Bats: Guardians Of The Night

    Bats: Guardians Of The Night

    963 views / 9 likes - added

    To see all the great bat action, please watch in HD!! Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Visit Bat

  • 06:43 Popular El Niño And Why We Can't Predict The Weather

    El Niño And Why We Can't Predict The Weather

    960 views / 1 likes - added

    Is your weatherman wrong? Blame El Niño. ↓ More info and sources below ↓ What is El Niño? Why can’t we predict the weather? El Niño could be to blame for your ruined weekend plans. Just a few slight changes can drastically shift the weather. Even our smar

  • 04:47 Popular Why Does February Only Have 28 Days?

    Why Does February Only Have 28 Days?

    955 views / 4 likes - added

    It's not the size of the month that matters… Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ Why does February only get 28 days when all the other months get 30 or 31? The answer is part superstition, part politi

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  • 06:27 Popular 100,000,000 Years From Now

    100,000,000 Years From Now

    948 views / 0 likes - added

    Try Squarespace: http;//squarespace.com/itsokaytobesmart Tweet this ⇒ http://bit.ly/OKTBS100MY Share on FB ⇒ http://bit.ly/OKTBS100MYfb ↓ More info and sources below ↓ For more science and stories of the Anthropocene, subscribe to the Generation Anthropoc

  • 05:46 Popular The Surprising Origin of Thanksgiving Foods

    The Surprising Origin of Thanksgiving Foods

    932 views / 5 likes - added

    I’m thankful for science. And also pie. SUBSCRIBE! http://bit.ly/iotbs_sub Tweet this video ⇒ http://bit.ly/OKTBStgvng2 Share on FB ⇒ http://bit.ly/OKTBStgvngFB ↓ More info and sources below ↓ Want to wear your love for science? We’ve got merch: http://df

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  • 06:16 Popular Why Nature Loves Hexagons (featuring Infinite Series!)

    Why Nature Loves Hexagons (featuring Infinite Series!)

    931 views / 0 likes - added

    Follow me to Infinite Series for 4-Dimensional Bees! https://youtu.be/X8jOxEGVyPo Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ From spirals to spots to fractals, nature is full of interesting pattern

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  • 05:41 Popular The Cosmic Origins of Earth's Water

    The Cosmic Origins of Earth's Water

    926 views / 0 likes - added

    To learn more about Brilliant, check out https://brilliant.org/BeSmart/ Give us a hand and SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Why is Earth is a blue planet? Because it’s covered in

  • 03:10 Popular 8 Incredible Deep Sea Oddities!

    8 Incredible Deep Sea Oddities!

    920 views / 0 likes - added

    Joe's proposed SXSW panel is "Science on YouTube: Where the Smart Kids Are". Vote for it before 9/4! http://vid.io/xqTj Check out #BigBlueLive! http://pbs.org/bigbluelive Tweet ⇒ http://bit.ly/OKTBSdeep Share on FB ⇒ http://bit.ly/OKTBSdeepFB ↓ More info

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  • 07:23 Popular Why Vaccines Work

    Why Vaccines Work

    917 views / 1 likes - added

    A dose of reality about vaccines… Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ As more and more parents are choosing not to vaccinate their children or are vaccinating them later, diseases like measles are mak

  • 04:41 Popular Do You Really Have Two Brains?

    Do You Really Have Two Brains?

    911 views / 2 likes - added

    You’re gonna lobe this video Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Are you a left-brained person or a right-brained person? Spoiler: You’re neither. Each of us uses both sides of our brain for

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  • 05:06 Popular %$?# Allergies!

    %$?# Allergies!

    902 views / 0 likes - added

    It’s the season for sneezin’! Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ Springtime means the arrival of green grass, bright flowers, and buzzing bees. But for many of us, it’s also about sneezing, watery re

  • 04:32 Popular Where Do Birds Go In Winter?

    Where Do Birds Go In Winter?

    902 views / 1 likes - added

    And where do they keep their suitcases? Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram: ht

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  • 03:11 Popular Where Does The Smell Of Rain Come From?

    Where Does The Smell Of Rain Come From?

    901 views / 0 likes - added

    I smell a science storm a-comin'!! Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com References: “Nature of Argil

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  • 05:22 Popular The Essentials Of Energy

    The Essentials Of Energy

    897 views / 1 likes - added

    Check out our whole series on ENERGY! http://bit.ly/1BnH5zu Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ The world of energy is a confusing place. What’s better, nuclear or solar? What’s the difference between

  • 09:35 Popular Is This A NEW SPECIES?!

    Is This A NEW SPECIES?!

    894 views / 1 likes - added

    Order my Maker Box from Quarterly ►► http://on.qrtr.ly/ItsOKtoMake Don’t miss the next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓ More info and sources below ↓ This is the first-ever video of what we’re calling the "hermit crab caterpillar"! We’re pre

  • 22:55 Popular The Golden Ratio: Is It Myth or Math?

    The Golden Ratio: Is It Myth or Math?

    892 views / 0 likes - added

    Were on PATREON! Join the community https://www.patreon.com/itsokaytobesmartSUBSCRIBE so you dont miss a video! http://bit.ly/iotbs_sub More info and sources below The golden ratio. Some say its the most mythical number in the universe. Others say it unde

  • 03:55 Popular How Poop Shapes the World

    How Poop Shapes the World

    889 views / 1 likes - added

    Nature is truly the ultimate recycler… Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Waste not, want not… right? Poop, in all of its various forms throughout nature, shapes the world in ways you might

  • 08:50 Popular Why Is Our Skeleton On the Inside?

    Why Is Our Skeleton On the Inside?

    881 views / 0 likes - added

    Were on PATREON! Join the community https://www.patreon.com/itsokaytobesmartSUBSCRIBE so you dont miss a video! http://bit.ly/iotbs_sub More info and sources below Having bones is pretty cool. They make our blood, let us hear, and keep us from being just

  • 16:04 Popular Why Are There 7 Days In a Week?

    Why Are There 7 Days In a Week?

    879 views / 0 likes - added

    Were on PATREON! Join the community https://www.patreon.com/itsokaytobesmartSUBSCRIBE so you dont miss a video! http://bit.ly/iotbs_sub More info and sources below Why does everyone use a 7 day week, and where did it come from? Where do the names of the d

  • 06:14 Popular Why It Is What Time It Is (The History of Time)

    Why It Is What Time It Is (The History of Time)

    872 views / 0 likes - added

    A brief history of time… Don’t miss our next video! SUBSCRIBE! http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ How did we come up with our system of telling time? Why do we divide the day into 24 hour

  • 06:34 Popular Does My Dog Know What I'm Thinking?

    Does My Dog Know What I'm Thinking?

    867 views / 0 likes - added

    Head to BrainCraft for more doggy science! http://youtu.be/OBy3idLwwYM Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesm

  • 05:17 Popular How An Igloo Keeps You Warm

    How An Igloo Keeps You Warm

    864 views / 3 likes - added

    Building a perfect igloo takes cool science! Don’t miss the next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓ More info and sources below ↓ If you ever find yourself stranded in the snowy Arctic (or bored in Minecraft), you’re gonna need to know how to

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  • 07:17 Popular A Sea Otter's Adorable Adoption Story

    A Sea Otter's Adorable Adoption Story

    863 views / 5 likes - added

    Joe's proposed SXSW panel is "Science on YouTube: Where the Smart Kids Are". Vote for it before 9/4! http://vid.io/xqTj Check out #BigBlueLive! http://pbs.org/bigbluelive Tweet ⇒ http://bit.ly/OKTBS696 Share on FB ⇒ http://bit.ly/OKTBS696FB ↓ More info an

  • 05:58 Popular Do Plants Think?

    Do Plants Think?

    861 views / 1 likes - added

    Get yourself an awesome I DID A SCIENCE shirt! http://dftba.com/besmart Tweet this video ⇒ http://bit.ly/OKTBSplant Share on FB ⇒ http://bit.ly/OKTBSplantFB ↓ More info and sources below ↓ Learn more/references: “What a Plant Knows” by Daniel Chamovitz ht

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  • 05:45 Popular What's The Deadliest Animal In The World?

    What's The Deadliest Animal In The World?

    860 views / 2 likes - added

    Besides humans, of course. Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Gates Foundation info on the world’s

  • 05:37 Popular Who Shares Your Birthday?

    Who Shares Your Birthday?

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  • 04:09 Popular What Color Is The Moon?

    What Color Is The Moon?

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    How the night sky tricks our brains! ↓ More info and sources below ↓ Here’s how you all described the color of the moon: https://www.facebook.com/itsokaytobesmart/photos/a.337182013046136.73328.173915612706111/801410886623244/ http://www.itsokaytobesmart.

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  • 05:39 Popular Which Came First - Flowers Or Bees?

    Which Came First - Flowers Or Bees?

    846 views / 2 likes - added

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  • 06:35 Popular Attack Of The Zombie Parasites!

    Attack Of The Zombie Parasites!

    839 views / 3 likes - added

    Did someone say BRAAAAAINS…? Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ Shows like The Walking Dead are full of hungry, mindless, surprisingly fleet-footed armies of brain-eating zombies. Could they actually

  • 06:05 Popular Why Do We Itch?

    Why Do We Itch?

    836 views / 4 likes - added

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  • 05:54 Popular Why Are There As Many Males As Females?

    Why Are There As Many Males As Females?

    835 views / 0 likes - added

    Evolution doesn’t pick a side! Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ In almost every animal species on Earth, equal numbers of males and females are conceived. Why is that? Especially in popul

  • 13:40 Popular Where Did Life Come From? (feat. PBS Space Time and Eons!)

    Where Did Life Come From? (feat. PBS Space Time and Eons!)

    832 views / 1 likes - added

    Follow us to PBS Space Time: https://youtu.be/GcfLZSL7YGw And Eons: https://youtu.be/pk213XSSktQ ↓↓↓ More info and sources below ↓↓↓ The origin of life is one of the most important mysteries in all of science. When did life begin? How did life first evolv

  • 06:21 Popular Is Your Eye Color Not Real?

    Is Your Eye Color Not Real?

    831 views / 0 likes - added

    Check out Say It Loud from PBSDS https://www.youtube.com/SayItLoudPBS SUBSCRIBE so you dont miss a video! http://bit.ly/iotbs_sub More info and sources below The eyes are often the first thing we see when we look at someone. And when you look at them up c

  • 05:44 Popular Is Big Data Getting Too Big?

    Is Big Data Getting Too Big?

    826 views / 0 likes - added

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  • 08:23 Popular Is Ultron Inevitable?

    Is Ultron Inevitable?

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    Follow me to Vsauce3!! http://bit.ly/1zUxn7a Twitter: @okaytobesmart @jtotheizzoe Instagram: @jtotheizzoe↓ More info and sources below ↓ Will artificial intelligence ever surpass human intelligence? And if that happens, will AI be good or bad? Is evil AI

  • 07:14 Popular The Strange Science Of The Placebo Effect

    The Strange Science Of The Placebo Effect

    820 views / 1 likes - added

    This episode is brought to you by Dropbox https://www.dropbox.com/ Tweet ⇒ http://bit.ly/OKTBSplacebos Share on FB ⇒ http://bit.ly/OKTBSplaceboFB ↓ More info and sources below ↓ Follow me to Reactions to learn what is (and isn’t) in those vitamin suppleme

  • 12:30 Popular Evolution FAILS in the Human Body

    Evolution FAILS in the Human Body

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    SUBSCRIBE so you dont miss a video! http://bit.ly/iotbs_sub Were on PATREON now! Join the community https://www.patreon.com/itsokaytobesmart More info and sources below If you were taking an engineering class in school and you turned in the human body for

  • 04:34 Popular How Many Smells Can You Smell?

    How Many Smells Can You Smell?

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    How do we smell? Great! Thanks for asking! Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram:

  • 11:08 Popular Can Trees Really Fight Climate Change?

    Can Trees Really Fight Climate Change?

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    SUBSCRIBE so you dont miss a video! http://bit.ly/iotbs_sub Were on PATREON now! Join the community https://www.patreon.com/itsokaytobesmart More info and sources below Can trees really save us from climate change? For eons, nature has relied on photosynt

  • 09:12 Popular The Sixth Extinction

    The Sixth Extinction

    812 views / 2 likes - added

    This time, we’re the asteroid. Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram: http://inst

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  • 06:47 Popular Musical Tesla Coils In Slow Motion! Featuring Physics Girl

    Musical Tesla Coils In Slow Motion! Featuring Physics Girl

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  • 03:09 Popular How Do Squirrels Find Nuts?

    How Do Squirrels Find Nuts?

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  • 07:15 Popular How The Toilet Changed History

    How The Toilet Changed History

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    This video was supported by Bill and Melinda Gates. You can check out the Gates Annual Letter here: http://b-gat.es/2lhhtmJ. ↓ More info and sources below ↓ We’re proud to collaborate with Bill and Melinda Gates for this week’s video! It may sometimes see

  • 07:34 Popular Why People Don't Believe In Climate Science

    Why People Don't Believe In Climate Science

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    Watch Part 1:“The Facts” http://youtu.be/ffjIyms1BX4 Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on

  • 06:00 Popular Do Fish Pee?

    Do Fish Pee?

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  • 04:00 Popular Orchid Mantis: Looks That Kill

    Orchid Mantis: Looks That Kill

    801 views / 2 likes - added

    This video is perfect for adults orchids. Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Many creatures wear disguises in order to keep safe from predators, but there are some that dress to kill. Orchi

  • 06:07 Popular Why Are You Multicellular?

    Why Are You Multicellular?

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    Start your Audible trial today: http://www.audible.com/ok Tweet this ⇒ http://bit.ly/OKTBSmc Share on FB ⇒ http://bit.ly/OKTBSmcFB ↓ More info and sources below ↓ Check out Destin’s video on Smarter Every Day: “DEVIL FACIAL TUMOR DISEASE” https://www.yout

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  • 04:25 Popular Why Your Brain Is In Your Head

    Why Your Brain Is In Your Head

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    Vote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk ---- Check out BrainCraft: http://youtu.be/aucscX191vQ Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub↓ More info and sources below ↓ Follow

  • 08:27 Popular Why Is Blue So Rare In Nature?

    Why Is Blue So Rare In Nature?

    791 views / 1 likes - added

    Duh, except for the sky… and the ocean… Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Among living things, the color blue is oddly rare. Blue rocks, blue sky, blue water, sure. But blue animals? They

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  • 07:20 Popular Incredible Tails Of Amazing Whales!

    Incredible Tails Of Amazing Whales!

    790 views / 1 likes - added

    Joe's proposed SXSW panel is "Science on YouTube: Where the Smart Kids Are". Vote for it before 9/4! http://vid.io/xqTj Whales are AMAZING! Check out #BigBlueLive: http://pbs.org/bigbluelive Tweet ⇒ http://bit.ly/OKTBSwhales Share on FB ⇒ http://bit.ly/OK

  • 05:48 Popular Why Salt & Pepper?

    Why Salt & Pepper?

    784 views / 0 likes - added

    Join the #AnythingButPepper movement! Tweet this video ⇒ http://bit.ly/OKTBSsp Share on FB ⇒ http://bit.ly/OKTBSspFB ↓ More info and sources below ↓ Get yourself an awesome IOTBS shirt! http://dftba.com/besmart “Salt: A World History” by Mark Kurlansky ht

  • 07:37 Popular The Deadpool Salamander Can Regenerate Entire Limbs

    The Deadpool Salamander Can Regenerate Entire Limbs

    783 views / 3 likes - added

    MAXIMUM EFFORT! Give us a hand and SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Axolotls are special salamanders. Not only to they stay in their juvenile form their whole lives, they can regenerat

  • 04:14 Popular You Are An Upside-Down Lobster

    You Are An Upside-Down Lobster

    779 views / 1 likes - added

    Vote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk ---- Here's why you aren't built like a lobster. Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub↓ More info and sources below ↓ Follow on Tw

  • 05:11 Popular Will We Ever Run Out Of Oil?

    Will We Ever Run Out Of Oil?

    772 views / 2 likes - added

    Check out our whole series on ENERGY! http://bit.ly/1BnH5zu Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ We’ve heard news of “peak oil” and “the end of the oil age” for years now, but we keep coming up with wa

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  • 05:29 Popular How Atom Bombs Can Uncover Forged Art

    How Atom Bombs Can Uncover Forged Art

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    Want more cool art videos? Check out The Art Assignment http://bit.ly/ArtAssnmt Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ It’s been estimated that 1 in 10 works of fine art are forged or misattrib

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  • 05:13 Popular 5 Weird Involuntary Behaviors Explained!

    5 Weird Involuntary Behaviors Explained!

    771 views / 0 likes - added

    Yawns, hiccups, twitchy eyes (and more) explained! Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on In

  • 08:22 Popular Defusing the Population Bomb

    Defusing the Population Bomb

    764 views / 1 likes - added

    Thank you to Bill and Melinda Gates for supporting PBS Digital Studios. If you’d like to take a look at the 2018 Annual Letter, you can check it out here http://b-gat.es/2Cfph0j ↓↓↓ More info and sources below ↓↓↓ Don’t miss our next video! SUBSCRIBE! ►►

  • 03:29 Popular Why Seasons Make No Sense

    Why Seasons Make No Sense

    763 views / 0 likes - added

    Tweet this ⇒ http://bit.ly/OKTBSseas Share on FB ⇒ http://bit.ly/OKTBSseasFB ↓ More info and sources below ↓ Sources: Trenberth, Kevin E. "What are the seasons?." Bulletin of the American Meteorological Society 64.11 (1983): 1276-1282.

  • 05:02 Popular There's No Such Thing As Cold

    There's No Such Thing As Cold

    755 views / 1 likes - added

    If cold isn’t real, then how can I feel it? Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram

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  • 05:59 Popular Do Trees Talk?

    Do Trees Talk?

    742 views / 0 likes - added

    Why the forest is more than the treesSUBSCRIBE so you dont miss a video! http://bit.ly/iotbs_sub More info and sources below Walk into any forest, and beneath your feet is an elaborate social network that helps make life on Earth possible. Its called the

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  • 02:02 Popular The Sun Is A Magnet!

    The Sun Is A Magnet!

    742 views / 0 likes - added

    Vote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk ---- Sunspots, solar flares, coronal mass ejections, OH MY! Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub↓ More info and sources below ↓ F

  • 06:54 Popular What Do Raindrops Really Look Like?

    What Do Raindrops Really Look Like?

    741 views / 0 likes - added

    Learn more about opportunities from KiwiCo here: https://www.kiwico.com/okay SUBSCRIBE so you never miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ What do raindrops look like? Exactly how we drew them as kids, right? Wrong! T

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  • 05:06 Popular Are You Smarter Than A Slime Mold?

    Are You Smarter Than A Slime Mold?

    738 views / 0 likes - added

    Follow me to Deep Look! https://youtu.be/Nx3Uu1hfl6Q Tweet this ⇒ http://bit.ly/OKTBSslime Share on FB ⇒ http://bit.ly/OKTBSslimeFB ↓ More info and sources below ↓ I really hope you guys check out Deep Look, it’s one of my favorite channels, full of great

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  • 05:15 Popular The Small Problem With Shrinking Ourselves

    The Small Problem With Shrinking Ourselves

    733 views / 0 likes - added

    It’s okay to be… small? Tweet this video ⇒ http://bit.ly/OKTBSshrunk Share on FB ⇒ http://bit.ly/OKTBSshrunkFB ↓ More info and sources below ↓ Want more shrunken YouTubers? Check out this video on Vsauce3 about the science of Ant-Man! https://www.youtube.

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  • 06:10 Popular The Oldest Living Things In The World

    The Oldest Living Things In The World

    731 views / 0 likes - added

    Vote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk ---- Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow

  • 06:42 Popular The REAL Physics Of Hot Air Balloons!

    The REAL Physics Of Hot Air Balloons!

    727 views / 0 likes - added

    This episode is brought to you by Dropbox https://www.dropbox.com/ Tweet ⇒ http://bit.ly/OKTBShotair Share on FB ⇒ http://bit.ly/OKTBShotairFB ↓ More info and sources below ↓ We uploaded another version of this video on 11/9 but it had a big mistake in it

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  • 08:37 Popular Tuatara All The Way Down – Face To Face With A Living Fossil!

    Tuatara All The Way Down – Face To Face With A Living Fossil!

    719 views / 0 likes - added

    Your now is not your forever (unless you’re a tuatara) Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Special thanks to John Green! And to Amber Faasen and the Dallas Zoo herpetarium team! During the 2

  • 06:42 Popular The Invisible Creatures That Keep You Alive!

    The Invisible Creatures That Keep You Alive!

    719 views / 0 likes - added

    Try Audible today: http://www.audible.com/ok “I Contain Multitudes” by Ed Yong http://amzn.to/2aE5rlf ↓ More info and sources below ↓ Get yourself an awesome IOTBS shirt! http://dftba.com/besmart Learn more/references: Fujimura, Kei E., et al. "House dust

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  • 05:48 Popular The Most Extreme Life Forms On Earth… And Beyond?

    The Most Extreme Life Forms On Earth… And Beyond?

    716 views / 0 likes - added

    Life, uh… finds a way Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ What have we learned from exploring Earth’s harshest locations? That pretty everywhere we look for life, we find it. From smoking ho

  • 05:16 Popular Nature's Fireworks

    Nature's Fireworks

    713 views / 1 likes - added

    Try CuriosityStream: http://curiositystream.com/smart Want even more illuminating ideas? SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓More info and sources below ↓↓↓ Nearly all life on Earth is ultimately powered by light. But many creatures have learned how

  • 05:21 Popular The Donald Trump Caterpillar and Nature's Masters of Disguise

    The Donald Trump Caterpillar and Nature's Masters of Disguise

    712 views / 2 likes - added

    They have some of the best caterpillars in Peru. The best. Follow all of our Peru adventures on this playlist: http://bit.ly/SmartPeru ↓ More info and sources below ↓ Special thanks to Andy Warren, David Pfennig, Alex Wild, and Gustavo Londoño for helpful

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  • 18:04 Popular The 12 Days Of Evolution - Complete Series!

    The 12 Days Of Evolution - Complete Series!

    710 views / 0 likes - added

    All 12 days… in ONE video! Prefer the individual videos? Go here: http://bit.ly/OKTBS12daysPL ↓ More info and sources below ↓ I *highly* recommend these books: “Undeniable” by Bill Nye http://amzn.to/1TK3wZs “Why Evolution Is True” by Jerry Coyne http://a

  • 07:58 Popular Which Life Form REALLY Dominates Earth?

    Which Life Form REALLY Dominates Earth?

    701 views / 0 likes - added

    To learn more about Brilliant, check out https://brilliant.org/BeSmart/ Go subscribe to Hot Mess! https://www.youtube.com/hotmesspbs ↓↓↓ More info and sources below ↓↓↓ Big thanks to WheezyWaiter! https://www.youtube.com/user

  • 08:12 Where On Earth Do You Weigh The Most?

    Where On Earth Do You Weigh The Most?

    700 views / 0 likes - added

    You can learn more at https://curiositystream.com/smart SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ You may have heard that a kilogram of feathers weighs the same as a kilogram of steel, but that all

  • 08:11 3 Incredible Examples of Evolution Hidden In Your Body

    3 Incredible Examples of Evolution Hidden In Your Body

    698 views / 0 likes - added

    Learn more about your personal DNA story by going to https://23andMe.com/okay Don't miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Humans are special, and we got that way thanks to evolution and natural sele

  • 07:24 Superbugs: The Empire Strikes Bacteria

    Superbugs: The Empire Strikes Bacteria

    694 views / 0 likes - added

    Check out GROSS SCIENCE: http://bit.ly/1DH5zbv Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart↓ More info and sources below ↓ Are we entering the post-antibiotic era? Antibiotic-resistant bacteria are on the rise, with millions of infections re

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  • 06:34 Where Did We Come From?

    Where Did We Come From?

    689 views / 0 likes - added

    Ready to untangle the branches of the human family tree? Part 1 of our special series on Human Ancestry. Watch it all: http://bit.ly/OKTBSHuman ↓↓↓More info and sources below ↓↓↓ In part 1 of our special series on human ancestry, we tour through our famil

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  • 04:12 This Is Not A Rainbow

    This Is Not A Rainbow

    689 views / 4 likes - added

    Tweet this ⇒ http://bit.ly/OKTBSchz Share on FB ⇒ http://bit.ly/OKTBSchzFB Check out Squarespace: http://squarespace.com/itsokaytobesmart ↓ More info and sources below ↓ The ABSOLUTE best place to learn more about atmospheric optics: http://www.atoptics.c

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  • 06:10 De-Extinction: A Mammoth Undertaking

    De-Extinction: A Mammoth Undertaking

    688 views / 1 likes - added

    Try 23andMe: http://www.23andme.com/okay Make sure we don’t go extinct and SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓More info and sources below ↓↓↓ De-extinction, or using the power of modern biotechnology to bring back extinct species like mammoths and d

  • 05:31 Why Are Some People Left-Handed?

    Why Are Some People Left-Handed?

    687 views / 0 likes - added

    The science of their sinister ways… Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram: http:/

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  • 10:16 Decoding the Great Monarch Butterfly Migration

    Decoding the Great Monarch Butterfly Migration

    682 views / 3 likes - added

    Follow me to Atlas Obscura to learn about the discovery of this place: https://youtu.be/mXc1ZeRlOe0 Grab a headset and experience the monarch forest in VR180: https://youtu.be/fSa605IfTiE ↓↓↓ More info and sources below ↓↓↓ The monarch butterfly migration

  • 06:03 The Physics Of Space Battles

    The Physics Of Space Battles

    681 views / 0 likes - added

    How scientifically accurate is your favorite sci-fi space battle? Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.c

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  • 05:55 How Many Trees Are There?

    How Many Trees Are There?

    680 views / 1 likes - added

    Let PBS know more about you and what digital series you’d like to see: http://surveymonkey.com/r/pbsds2016 Tweet this ⇒ http://bit.ly/OKTBStree Share on FB ⇒ http://bit.ly/OKTBStreeFB Try Squarespace: http://squarespace.com/itsokaytobesmart ↓ More info an

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  • 06:35 Engines of Destruction: The Science of Hurricanes!

    Engines of Destruction: The Science of Hurricanes!

    675 views / 3 likes - added

    The physics of the perfect storm… Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Get yourself an awesome IOTBS shirt! http://dftba.com/besmart Learn more/references: “Divine Wi

  • 04:22 Putting Hurricane Harvey In Perspective

    Putting Hurricane Harvey In Perspective

    660 views / 4 likes - added

    Replace Harvey with Irma… still true. Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Hurricanes Harvey and Irma have affected many in Texas, Louisiana, and Florida. Here's a few ways you can help if yo

  • 05:58 Is Sugar a Drug?

    Is Sugar a Drug?

    659 views / 0 likes - added

    Here’s a sweet idea: Subscribe! http://bit.ly/iotbs_sub Tweet this video ⇒ http://bit.ly/OKTBSsug Share on FB ⇒ http://bit.ly/OKTBSsugFB ↓ More info and sources below ↓ Want to wear your love for science? We’ve got merch: http://dftba.com/besmart American

  • 07:04 How Do Glaciers Move?

    How Do Glaciers Move?

    658 views / 0 likes - added

    Watch WILD ALASKA LIVE starting July 23 on PBS: http://to.pbs.org/2tbKxzx Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Glacier ice is weird. It’s solid. Solid things aren’t supposed to flow. But glac

  • 06:23 Your Salad Is Trying To Kill You

    Your Salad Is Trying To Kill You

    656 views / 0 likes - added

    The dose makes the poison… Subscribe: http://bit.ly/iotbs_sub Twitter: @jtotheizzoe @okaytobesmart ↓ More info and sources below ↓ Plants are the most important source of nutrients for pretty much all of Earth's animals, and many of the planet's bacteria

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  • 04:46 How Your Body Knows Left From Right

    How Your Body Knows Left From Right

    652 views / 0 likes - added

    Vote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk ---- Why are our bodies so symmetrical, but our guts aren't?↓ More info and sources below ↓ Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub

  • 04:50 This Is A SUPER BLOOD MOON! Lunar Eclipses Explained

    This Is A SUPER BLOOD MOON! Lunar Eclipses Explained

    651 views / 1 likes - added

    This episode is brought to you by Dropbox https://www.dropbox.com/ Tweet ⇒ bit.ly/OKTBSredmoon Share on FB ⇒ http://bit.ly/OKTBSredmoonF ↓ More info and sources below ↓ We’ve got t-shirts! Get yours here: http://store.dftba.com/collections/its-okay-to-be-

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    Why Is The Universe So Empty? (ft. PHD Comics!)

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    A collaboration with Jorge Cham and Daniel Whiteson. Their book: http://www.WeHaveNoIdea.com Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Why is the universe organized the way it is? And why is it so

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  • 09:37 Why Time Moves Fast...and Slow

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    Were on PATREON! Join the community https://www.patreon.com/itsokaytobesmartSUBSCRIBE so you dont miss a video! http://bit.ly/iotbs_sub More info and sources below Time passes for all of at the saem rate of one second per second. But why does it sometimes

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    Learn the basic science of climate change in 24 easy steps Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Foll

  • 07:03 We've Got Ants In Our Plants!

    We've Got Ants In Our Plants!

    640 views / 1 likes - added

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  • 01:15 360˚ Inside an ICE CAVE!!

    360˚ Inside an ICE CAVE!!

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    Watch my video explaining this beautiful blue: https://youtu.be/IvBExYAkQRc Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info below ↓↓↓ Special thanks to : Above & Beyond Alaska wilderness tours: http://beyondak.com/ Filmed at

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  • 06:33 Why Are Cicadas So Good At Math?

    Why Are Cicadas So Good At Math?

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    T-SHIRTS! http://dftba.com/besmart VIDCON! http://bit.ly/1DqnxeQ Follow me to Gross Science: http://youtu.be/IDBkj3DjNSM ↓ More info and sources below ↓ Do periodical cicadas “know” how to calculate prime numbers? One of the strangest life cycles in all o

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  • 07:04 Asteroid Mining: Our Ticket To Living Off Earth?

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    632 views / 1 likes - added

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    The Cosmic Afterglow

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    Get your #ididascience shirt here! http://dftba.com/besmart Tweet this ⇒ http://bit.ly/OKTBScmb Share on FB ⇒ http://bit.ly/OKTBScmbFB ↓ More info and sources below ↓ Vintage Project Echo footage from “The Big Bounce” (1960): https://archive.org/details/B

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  • 07:53 Meteors From Above

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    Turns out the sky IS falling. SUBSCRIBE! http://bit.ly/iotbs_sub Tweet this video ⇒ http://bit.ly/OKTBSdfa Share on FB ⇒ http://bit.ly/OKTBSdfaFB ↓ More info and sources below ↓ A giant asteroid took out the dinosaurs 66 million years ago. Could a big met

  • 04:12 What Is Fire?

    What Is Fire?

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  • 06:56 Pigeon Story: How the Rock Dove Became the Sky Rat

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  • 10:26 What's the Largest Living Thing On Earth?

    What's the Largest Living Thing On Earth?

    620 views / 0 likes - added

    Check out American Veteran on @PBS Voices https://youtu.be/P8bt1bwllZg Were on PATREON! Join the community https://www.patreon.com/itsokaytobesmart More info and sources below The biggest thing that has ever lived on Earth is a tree? Hard to believe, but

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  • 05:24 Do Animals Mourn Their Dead? (ft. BrainCraft And Gross Science!)

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    This episode is brought to you by Dropbox https://www.dropbox.com/ Follow me to Gross Science: https://youtu.be/kRUt9pqMCSg and BrainCraft: https://youtu.be/Joalg73L_gw ↓ More info and sources below ↓ Tweet ⇒ http://bit.ly/OKTBSmourn Share on FB ⇒ http://

  • 06:51 How To Hit A Fastball (According To Science!!!)

    How To Hit A Fastball (According To Science!!!)

    617 views / 1 likes - added

    This episode is brought to you by Dropbox https://www.dropbox.com/ Tweet this ⇒ http://bit.ly/OKTBSbase Share on FB ⇒ http://bit.ly/OKTBSbaseFB ↓ More info and sources below ↓ We’ve got t-shirts! Get yours here: http://store.dftba.com/collections/its-okay

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  • 07:05 The Recipe For Life…

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  • 06:18 What Has New Horizons Taught Us About Pluto?

    What Has New Horizons Taught Us About Pluto?

    613 views / 2 likes - added

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  • 03:48 My Date With A Giant Pacific Octopus!

    My Date With A Giant Pacific Octopus!

    611 views / 0 likes - added

    Joe's proposed SXSW panel is "Science on YouTube: Where the Smart Kids Are". Vote for it before 9/4! http://vid.io/xqTj

  • 05:36 The Cheerios Effect

    The Cheerios Effect

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  • 06:49 Should You Be Worried About Zika?

    Should You Be Worried About Zika?

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    Get your Audible trial here: http://audible.com/ok Tweet this video ⇒ http://bit.ly/OKTBSzika1 Share on FB ⇒ http://bit.ly/OKTBSzikaFB ↓ More info and sources below ↓ Get yourself an awesome IOTBS shirt! http://dftba.com/besmart Follow the latest news on

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  • 05:40 Much A-Do About Hair

    Much A-Do About Hair

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    Try CuriosityStream today: http://curiositystream.com/smart Subscribe so you don’t miss any cool science: http://bit.ly/iotbs_sub ↓↓↓More info and sources below ↓↓↓ Check out more of my friend Kyle’s sweet hair on his channel “Because Science”: https://ww

  • 04:23 Solving the Puzzle of Plate Tectonics

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    But did thee feel the Earth move? ↓ More info and sources below ↓ Why do Africa and South America fit together? Anyone who’s ever looked at a map can see that Earth’s continents are kind of like a jigsaw puzzle. The idea that continents are constantly mov

  • 06:47 Inside an ICE CAVE! - Nature's Most Beautiful Blue

    Inside an ICE CAVE! - Nature's Most Beautiful Blue

    603 views / 0 likes - added

    Learn more at http://curiositystream.com/smart Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Step beneath this glacier in 360˚ virtual reality! https://youtu.be/xWL-zXFWClE Where do glaciers and icebe

  • 08:27 So You Want To Go To Mars?

    So You Want To Go To Mars?

    600 views / 1 likes - added

    Watch more at http://pbs.org/yearinspace Tweet this ⇒ http://bit.ly/OKTBSyis Share on FB ⇒ http://bit.ly/OKTBSyisFB ↓ More info and sources below ↓ Dig deeper: National Research Council. “Space Radiation Hazards and the Vision for Space Exploration: Repor

  • 06:04 What’s REALLY Warming the Earth?

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    598 views / 3 likes - added

    Watch my other climate science videos: http://bit.ly/climatevids Get yourself an awesome I DID A SCIENCE shirt! http://dftba.com/besmart ↓ More info and sources below ↓ References/Learn more: July 2016 is hottest on record: http://climate.nasa.gov/news/24

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  • 08:22 Why Do We Have To Sleep?

    Why Do We Have To Sleep?

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    …and how did it evolve in the first place? Tweet ⇒ http://bit.ly/OKTBSsleep Share on FB ⇒ http://bit.ly/OKTBSsleepFB ↓ More info and sources below ↓ Why do we sleep? We spend a third of our lives in slumber, but science has yet to determine exactly why we

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  • 06:58 Why Don't Ants Get Stuck In Traffic?

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    591 views / 1 likes - added

    Go to http://Raceforretirement.com and see how the action gap affects you. Tweet this video ⇒ http://bit.ly/OKTBStraf Share on FB ⇒ http://bit.ly/OKTBStrafFB ↓ More info and sources below ↓ CGP Grey “The Simple Solution to Traffic” https://youtu.be/iHzzSa

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  • 03:42 How To See Time Travel!!!

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    589 views / 1 likes - added

    Behold the COSMOTRON 5000!!! Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram: http://instag

  • 08:25 How Evolution Turned A Possum Into A Wolf

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    588 views / 0 likes - added

    Special thanks to Vanessa from BrainCraft for help with this video! Check out her channel: https://www.youtube.com/braincraft ↓↓↓ More info and sources below ↓↓↓ Until the early 20th century, Tasmania was home to a very weird

  • 05:09 How Ingenious Animals Have Engineered Air Conditioning

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    Thanks to non-profit edX.org for sponsoring this video. Go to http://bit.ly/edXSmart to learn more about Harvard’s Architectural Imagination course or other classes from some of the top universities in the world. ↓↓↓More info and sources below ↓↓↓ Here’s

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  • 13:47 How Ocean Currents Work (and How We Are Breaking Them)

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    585 views / 0 likes - added

    PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateOKAY More info and sources below Head over to Animal IQ on Terra: https://youtu.be/Nc3mUNkJZZkCelebrate Earth Day with other PBS Channels! https://

  • 06:31 Why Do We Laugh?

    Why Do We Laugh?

    585 views / 0 likes - added

    Several jokes were harmed in the making of this video Tweet ⇒ http://bit.ly/OKTBSlaugh Share on FB ⇒ http://bit.ly/OKTBSlaughFB ↓ More info and sources below ↓ T-SHIRTS! http://dftba.com/besmart Laughing is a universal human behavior, one that transcends

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  • 08:14 Why Do Disney Princesses All Look Like Babies?

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    584 views / 0 likes - added

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  • 05:57 Attack Of The Cosmic Space Junk!

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    579 views / 0 likes - added

    No Sandra Bullocks were harmed in the making of this video. Tweet this video ⇒ http://bit.ly/OKTBSjunk Share on FB ⇒ http://bit.ly/OKTBSjunkFB ↓ More info and sources below ↓ Window chip in the ISS: http://www.esa.int/spaceinimages/Images/2016/05/Impact_c

  • 15:46 How Did Giant Pterosaurs Fly?

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    579 views / 0 likes - added

    Follow me to @thebrainscoop! https://youtu.be/GB1IXOeOzpIWere on PATREON! Join the community https://www.patreon.com/itsokaytobesmart More info and sources below The largest pterosaurs like Quetzalcoatlus were closer in size to airplanes than birds. No fl

  • 07:58 Why Do More Species Live Near the Equator?

    Why Do More Species Live Near the Equator?

    578 views / 0 likes - added

    Go to http://Raceforretirement.com and see how the action gap affects you. Follow all of our Peru adventures on this playlist: http://bit.ly/SmartPeru ↓ More info and sources below ↓ Special thanks to Rainforest Expeditions for hosting us! Visit http://ww

  • 07:13 Einstein Is Always Right: Gravitational Waves Edition

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    Try Squarespace: http://squarespace.com/itsokaytobesmart Tweet this ⇒ http://bit.ly/OKTBSgr Share on FB ⇒ http://bit.ly/OKTBSgrFB ↓ More info and sources below ↓ Check out this PBS Space Time playlist all about general and special relativity: https://yout

  • 04:40 The Superb Owl!

    The Superb Owl!

    577 views / 1 likes - added

    Don’t miss the next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓ More info and sources below ↓ As we get ready to watch that big football game that my lawyers tell me I’m not allowed to say the name of, let’s celebrate a champion of the bird world: Stea

  • 05:18 I Don't Think You're Ready For These Jellies

    I Don't Think You're Ready For These Jellies

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    Joe's proposed SXSW panel is "Science on YouTube: Where the Smart Kids Are". Vote for it before 9/4! http://vid.io/xqTj Check out #BigBlueLive! http://pbs.org/bigbluelive Tweet ⇒ http://bit.ly/OKTBScuttle Share on FB ⇒ http://bit.ly/OKTBScuttleFB ↓ More i

  • 06:40 The Most Important Moment In The History Of Life

    The Most Important Moment In The History Of Life

    574 views / 0 likes - added

    Get your #ididascience shirt here! http://dftba.com/besmart Tweet this ⇒ http://bit.ly/OKTBSpwr Share on FB ⇒ http://bit.ly/OKTBSpwrFB ↓ More info and sources below ↓ If you want to read more (MUCH more) about this, check out “The Vital Question” by Nick

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  • 06:55 What Video Games Teach Us About The Aging Brain

    What Video Games Teach Us About The Aging Brain

    568 views / 0 likes - added

    Get your #ididascience shirt here! http://dftba.com/besmart Tweet this ⇒ http://bit.ly/OKTBSsc2 Share on FB ⇒ http://bit.ly/OKTBSsc2FB ↓ More info and sources below ↓ Vintage arcade footage courtesy of: http://patrickscottpatterson.com/ Special thanks to

  • 10:57 Money Is A Technological Fiction (The Invention of $$$)

    Money Is A Technological Fiction (The Invention of $$$)

    565 views / 1 likes - added

    Thanks to IBM Z for supporting PBS. To learn more about the annual student contest, go to https://ibm.co/2nVdMtD . To learn more about IBM Z go to https://ibm.co/2nVagPR More info and sources below Check out or friends from Two Cents for more great videos

  • 05:54 The Delicious Science Of CHEESE!

    The Delicious Science Of CHEESE!

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    Vote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk ---- There's science in cheese? You'd cheddar believe it. Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub Follow on Twitter: http://twitter.

  • 06:25 Why Don’t Woodpeckers Get Concussions?

    Why Don’t Woodpeckers Get Concussions?

    561 views / 0 likes - added

    Don’t be hard-headed. You should SUBSCRIBE! http://bit.ly/iotbs_sub Tweet this video ⇒ http://bit.ly/OKTBSbang Share on FB ⇒ http://bit.ly/OKTBSbangFB ↓ More info and sources below ↓ Translate this video: LINK TKTK Want to wear your love for science? We’v

  • 07:32 Why Are We The Only Humans Left?

    Why Are We The Only Humans Left?

    556 views / 0 likes - added

    Try 23andMe at: http://www.23andme.com/okay Part 2 of our special series on Human Ancestry. Watch it all: http://bit.ly/OKTBSHuman ↓↓↓More info and sources below ↓↓↓ In part 2 of our special series on human ancestry, we ask why we are the only surviving b

  • 07:24 The Raisin Bran Effect

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    556 views / 0 likes - added

    AKA "The Brazil Nut Effect" but brazil nuts are blah You can learn more at https://curiositystream.com/smart ↓↓↓ More info and sources below ↓↓↓ The bottom of the cereal box is a disappointing place. But at least now you know why. Where do you see the Bra

  • 14:15 Does Someone Else Have Your Face?

    Does Someone Else Have Your Face?

    552 views / 0 likes - added

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  • 15:55 Why the Plastic Pollution Problem Is So Much Worse Than You Think

    Why the Plastic Pollution Problem Is So Much Worse Than You Think

    550 views / 2 likes - added

    Can we really clean our way out of this problem?Were on PATREON! Join the community https://www.patreon.com/itsokaytobesmart More info and sources below Theres been a lot of talk on YouTube lately about ocean plastic pollution and #TeamSeas. But there has

  • 08:50 Is Space a Thing?

    Is Space a Thing?

    549 views / 0 likes - added

    Try 23andMe: http://www.23andme.com/okay Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Since the days of Ancient Greece, philosophers and scientists have been wondering: What is space? Is the absence

  • 06:29 Why Don't Other Animals Wear Glasses?

    Why Don't Other Animals Wear Glasses?

    544 views / 0 likes - added

    Check out The Great Courses Plus: http://ow.ly/OE9y301cRfI Claude Monet could see like a honeybee: https://youtu.be/sZ8yMYvHc5E ↓ More info and sources below ↓ Get yourself an awesome IOTBS shirt! http://dftba.com/besmart This is a cool old movie from 194

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  • 06:14 When Is It Winter On Other Planets?

    When Is It Winter On Other Planets?

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    Try CuriosityStream today: http://curiositystream.com/smart Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Earth has seasons, but what about the rest of the planets in the solar system? Let’s take a to

  • 04:05 What Is Déjà Vu?!

    What Is Déjà Vu?!

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  • 07:59 How to be Crushed by the Atmosphere!

    How to be Crushed by the Atmosphere!

    539 views / 0 likes - added

    Try Audible for 30 days visit https://www.audible.com/ok or text ok to 500 500! SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Air. I bet you never even notice that it’s there. Yet you are swimming in a

  • 02:43 The Equinox Isn't What You Think It Is

    The Equinox Isn't What You Think It Is

    537 views / 1 likes - added

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  • 12:25 How Some Words Get Forgetted

    How Some Words Get Forgetted

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  • 05:27 Is Inheritance Really All In Our Genes?

    Is Inheritance Really All In Our Genes?

    527 views / 0 likes - added

    Epigenetic inheritance is really weird, but is it real? Tweet this ⇒ http://bit.ly/OKTBSepi Share on FB ⇒ http://bit.ly/OKTBSepiFB ↓ More info and sources below ↓ Crash Course Physics with Dr. Shini Somara: https://www.youtube.com/user/crashcourse Want mo

  • 11:39 How To Drink Coffee In Space

    How To Drink Coffee In Space

    526 views / 0 likes - added

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  • 05:19 Beavers: The Smartest Thing in Fur Pants

    Beavers: The Smartest Thing in Fur Pants

    525 views / 0 likes - added

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  • 05:28 Spit: Everything You Never Wanted To Know

    Spit: Everything You Never Wanted To Know

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    Warning: May contain the “m-word”… Tweet this video ⇒ http://bit.ly/OKTBSspit Share on FB ⇒ http://bit.ly/OKTBSspitFB ↓ More info and sources below ↓ Get yourself an awesome IOTBS shirt! http://dftba.com/besmart References/further reading: “Gulp” by Mary

  • 12:19 The Transcontinental Burrito Hypertunnel

    The Transcontinental Burrito Hypertunnel

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    PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateOKAY More info and sources below Were on PATREON! Join the community https://www.patreon.com/itsokaytobesmartSUBSCRIBE so you dont miss a video! ht

  • 09:26 The SHOCKING Truth About Ben Franklin and the Kite

    The SHOCKING Truth About Ben Franklin and the Kite

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    Thank you to Target for supporting PBS. You can learn more at: https://target.com/communityShare your story today: https://to.pbs.org/3izZeXh More info and sources below Youve probably heard of Ben Franklin and the kite. But do you know the TRUE story of

  • 04:21 The Ruin And Rise Of Monterey Bay

    The Ruin And Rise Of Monterey Bay

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    Joe's proposed SXSW panel is "Science on YouTube: Where the Smart Kids Are". Vote for it before 9/4! http://vid.io/xqTj Check out #BigBlueLive! http://pbs.org/bigbluelive Share on FB ⇒ http://bit.ly/OKTBSriseFB ↓ More info and sources below ↓ Before peopl

  • 06:26 Are We All Related?

    Are We All Related?

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    This is part 3 of our special series on Human Ancestry! Watch the entire series here ►► http://bit.ly/OKTBSHuman ↓↓↓More info and sources below ↓↓↓ In part 3 of our special series on human ancestry, we investigate how closely related we all really are. Ba

  • 08:10 Why Do You Love Your Family?

    Why Do You Love Your Family?

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  • 06:33 How Habits are Formed

    How Habits are Formed

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    You have the power to change your brain! Make watching our videos a habit and SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Got a bad habit you just can’t seem to break? That’s because it’s literally wired into your brain. Ever

  • 06:51 Doomsday Machines

    Doomsday Machines

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    …or how I learned to study physics and start fearing the bomb Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Nuclear weapons represent the darker side of E=mc^2. Science has given us the ability to und

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    Why Are So Many People Allergic To Food?

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    You can learn more at https://curiositystream.com/smart Go check out Sound Field! http://bit.ly/2HH9sG1 SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub More people have food allergies than ever before. Peanuts, tree nuts, shellfish, eggs,

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    Want more cool physics? Check out Physics Girl! http://youtube.com/physicsgirl Be cool and SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ The hottest and coldest temperatures in our universe are rar

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    Mexico’s Monarch Butterfly Migration in VR180

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    This is a VR180 video so pop on your Google Cardboard or VR Headset to be totally immersed in our world! No headset? No problem. Move your mobile phone around and catch the total 180 experience! Hint: Look up

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    Apollos Most Important Discovery (Inside NASAs Moon Rock Vault!)

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    More moon rocks on Smarter Every Day https://youtu.be/QxZ_iPldGtIAnd Objectivity https://youtu.be/yvhLBzsDwSQ More info and sources below SUBSCRIBE so you dont miss a video! http://bit.ly/iotbs_sub Fifty years ago, we sent the first astronauts to walk on


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