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  • 03:29 Rounding to Estimate Differences

    Rounding to Estimate Differences

    505 views / 0 likes - added

    U01_L2_T3_we1 Rounding to Estimate Differences

  • 02:41 Rounding to Estimate Sums

    Rounding to Estimate Sums

    476 views / 0 likes - added

    U01_L2_T3_we2 Rounding to Estimate Sums

  • 02:16 Rounding to Estimate Sums 2

    Rounding to Estimate Sums 2

    440 views / 0 likes - added

    U01_L2_T3_we3 Rounding to Estimate Sums 2

  • 04:15 Popular A clever way to estimate enormous numbers - Michael Mitchell

    A clever way to estimate enormous numbers - Michael Mitchell

    1,153 views / 0 likes - added

    View the full lesson here: http://ed.ted.com/lessons/michael-mitchell-a-clever-way-to-estimate-enormous-numbers Have you ever tried to guess how many pieces of candy there are in a jar? Or tackled a mindbender like: "How many piano tuners are there in Chi

  • 03:14 Pi from a Toothpick

    Pi from a Toothpick

    160 views / 0 likes - added

    Estimate the value of pi using a toothpick!Want the full details as to why throwing a toothpick on a lined piece of paper gives you an estimate of the value of pi? Then see this video from Numberphile:https://youtu.be/sJVivjuMfWA

  • 10:25 Popular ck12.org Normal Distribution Problems: Empirical Rule

    ck12.org Normal Distribution Problems: Empirical Rule

    928 views / 0 likes - added

    Using the empirical rule (or 68-95-99.7 rule) to estimate probabilities for normal distributions More free lessons at: http://www.khanacademy.org/video?v=OhRr26AfFBU

  • 11:18 Statistics: Sample Variance

    Statistics: Sample Variance

    490 views / 0 likes - added

    Using the variance of a sample to estimate the variance of a population More free lessons at: http://www.khanacademy.org/video?v=Qf3RMGXR-h8

  • 01:51 Hammerheads Can Hear Injured Fish From a Mile Away

    Hammerheads Can Hear Injured Fish From a Mile Away

    650 views / 0 likes - added

    Hammerhead sharks are so attuned to low-frequency sounds, they can hear them from over a mile away. Not only can they tell the distance and direction of their prey, they can even estimate its size. From: HUNTING THE HAMMERHEAD http://bit.ly/2akgsHV

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  • 11:45 Popular Ideal Gas Problems: Crash Course Chemistry #13

    Ideal Gas Problems: Crash Course Chemistry #13

    925 views / 0 likes - added

    We don't live in a perfect world, and neither do gases - it would be great if their particles always fulfilled the assumptions of the ideal gas law, and we could use PV=nRT to get the right answer every time. Unfortunately, the ideal gas law (like our cul

  • 05:08 Whale-cams reveal how much they really eat

    Whale-cams reveal how much they really eat

    285 views / 1 likes - added

    Tagging whales with cameras and sensors has allowed researchers to calculate how much food these huge creatures are consuming. Its the most accurate estimate yet and reveals an even more significant impact of whales on ocean ecosystems than was previously

  • 03:40 Your Gut Microbes Are Controlling Your Mind, Here’s What You’ll Do For Them

    Your Gut Microbes Are Controlling Your Mind, Here’s What You’ll Do For Them

    425 views / 0 likes - added

    Microbes in your body can control how you feel and what you want to eat, here's how. Super Bacteria Has a New Enemy: The CRISPR Pill - https://youtu.be/zWzQf2xzJek Read More: Is Your Gut Making You Depressed or Anxious? https://www.scientificamerican.com/

  • 01:18 Insects (Butterflies) are so cool! | Did You Know? | Highlights Kids | Kids Videos

    Insects (Butterflies) are so cool! | Did You Know? | Highlights Kids | Kids Videos

    111 views / 0 likes - added

    Did you know that Butterflies taste food with their feet? That is so cool! Also, scientists estimate that there are at least 20,000 different species of butterflies! Wow! Learn more about these amazing bugs in this episode of Did you Know?! #funfacts #fac

  • 02:06 The average person can recognize 5000 faces

    The average person can recognize 5000 faces

    553 views / 0 likes - added

    Scientists estimate that most people have a ‘facial vocabulary’ of 1,000 – 10,000 Read more: https://scim.ag/2RCIyS8 Credits editor/ narrator Meagan Cantwell supervising producer Sarah Crespi citation R. Jenkins, A.J. Dowsett, and A.M. Burton The Royal So

  • 03:07 Popular Comparing Lengths | Measurement And Data | Early Math | Khan Academy

    Comparing Lengths | Measurement And Data | Early Math | Khan Academy

    1,556 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-math-compare-estimate-length/e/comparing-lengths?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch t

  • 02:03 Popular Estimating Lengths | Measurement And Data | Early Math | Khan Academy

    Estimating Lengths | Measurement And Data | Early Math | Khan Academy

    719 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-math-compare-estimate-length/e/estimating-lengths?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch

  • 03:15 Olympic Cyclist Vs. Toaster: Can He Power It?

    Olympic Cyclist Vs. Toaster: Can He Power It?

    596 views / 0 likes - added

    World famous track cyclist Robert Förstemann battles a 700w toaster. Can he, with his 74cm legs, generate enough energy to create a golden-brown toast? Please like, share and comment! The challenge was set up to show how much energy we humans consume

  • 07:58 LOONEY TUNES (Looney Toons): A Hitch in Time (1955) (Remastered) (HD 1080p)

    LOONEY TUNES (Looney Toons): A Hitch in Time (1955) (Remastered) (HD 1080p)

    621 views / 0 likes - added

    John McRogers dreams about his future after spending four years in the U.S. Air Force, and is convinced by "Grogan," Technical Gremlin First Class, on why he should remain in the Air Force, rather, and what the advantages would be if he returned to civili

  • 08:00 LOONEY TUNES (Looney Toons): A Hitch in Time (1955) [ULTRA HD 4K Cartoons]

    LOONEY TUNES (Looney Toons): A Hitch in Time (1955) [ULTRA HD 4K Cartoons]

    646 views / 1 likes - added

    This video streams up to Ultra HD 4k (2160p). John McRogers dreams about his future after spending four years in the U.S. Air Force, and is convinced by "Grogan," Technical Gremlin First Class, on why he should remain in the Air Force, rather, and what th

  • 05:07 There’s a Subterranean Biosphere Hiding in the Earth’s Crust and It’s MASSIVE

    There’s a Subterranean Biosphere Hiding in the Earth’s Crust and It’s MASSIVE

    463 views / 0 likes - added

    This mysterious new ecosystem is being called the ‘subterranean galapagos’ and it’s almost twice the size of earth’s oceans. We’ve never seen anything like it. Thumbnail image courtesy of Gaëtan Borgonie, ELI, Belgium. A New Genetic Alphabet Is Creating T

  • 01:38 Snippet: Seemingly longest organism ever recorded, other deep-sea species discovered

    Snippet: Seemingly longest organism ever recorded, other deep-sea species discovered

    370 views / 0 likes - added

    The deep sea is largely unexplored and marine scientists are constantly surprised by the creatures they find roaming the depths in darkness. While exploring the Ningaloo Canyons off the coast of Western Australia with the SuBastian underwater robot, a tea

  • 04:33 Measuring the Average Foot - Christmas Lectures with RV Jones

    Measuring the Average Foot - Christmas Lectures with RV Jones

    519 views / 0 likes - added

    How can one estimate the average length of a foot? RV Jones shows a simple yet elegant demonstration. Subscribe for regular science videos: http://bit.ly/RiSubscRibe Watch the full lecture: http://www.rigb.org/christmas-lectures/watch/1981/from-magna-cart

  • 02:29 Popular This Video Has Consumed 113249.2 mL of Gasoline!

    This Video Has Consumed 113249.2 mL of Gasoline!

    771 views / 1 likes - added

    Thanks to http://www.audible.com/minuteearth for sponsoring this video. The title of this video is changing every 10 seconds to reflect an estimate of the actual energy used just by people (like you!) watching it. Thanks to Jasper Palfree for doing the co

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  • 05:25 Why You Really Shouldn't Go To Work When You're Sick

    Why You Really Shouldn't Go To Work When You're Sick

    587 views / 0 likes - added

    Going to work while you’re sick is not only bad for you but it also affects the people around you. How important is for you to stay at home? Sign Up For The TestTube Newsletter Here ►►►► http://dne.ws/1McUJdm Read More: Here’s how fast viruses spread in y

  • 03:26 How Your Cells Decide Whether to Be Part of the Brain, or the Colon

    How Your Cells Decide Whether to Be Part of the Brain, or the Colon

    440 views / 0 likes - added

    Before cells mature, they have to decide what they want to be — and new research shows that process gets pretty "noisy." Doctors Have to Trick Your Brain’s Defenses to Heal You, Here’s Why - https://youtu.be/USiZ6dUGUt8 Read More: Know Your Neurons: What

  • 04:04 Popular What Would Happen If Global Warming Sped Up?

    What Would Happen If Global Warming Sped Up?

    942 views / 4 likes - added

    A two-degree increase in global temperature may seem insignificant, but it would likely cause a massive impact all over the Earth. What Happens If All The World’s Ice Melts? ►►►► http://dne.ws/1Stb0jj Sign Up For The TestTube Newsletter Here ►►►► http://d

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  • 04:50 How IKEA gets you to impulsively buy more

    How IKEA gets you to impulsively buy more

    619 views / 0 likes - added

    IKEA has mastered the “Gruen effect.” Subscribe to our channel! http://goo.gl/0bsAjO Researchers estimate that 50 percent of purchases are unplanned. These purchases, especially impulse buys, present an opportunity for retailers who can entice consumers t

  • 04:15 Popular How Are New Medications Developed?

    How Are New Medications Developed?

    786 views / 0 likes - added

    Scientists are constantly looking for cures and treatments for a number of diseases, but how do these cures get turned into drugs? Why Are Prescription Drugs So Expensive? ►►►► http://bit.ly/1OcXKOK Sign Up For The TestTube Newsletter Here ►►►► http://bit

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  • 04:24 Did We Just Find The Ninth Planet?

    Did We Just Find The Ninth Planet?

    637 views / 2 likes - added

    Researchers believe they may have found a ninth planet in our solar system, but why do they think that? Get 15% off http://www.domain.com's domain names and web hosting when you use coupon code DNEWS at checkout! Subscribe to Amy’s Channel: Vintage Space

  • 05:30 Declassified Nuclear Films Prove We Were Wrong About Their Explosive Power

    Declassified Nuclear Films Prove We Were Wrong About Their Explosive Power

    577 views / 0 likes - added

    The U.S. detonated over 200 nuclear weapons to gather scientific data about their potential. That data was gospel for years, until a weapons physicist decades later found out the figures were off by huge margins. What Does Nuclear Fallout Do To Your Body?

  • 02:54 Popular Measuring Lengths With Different Units | Measurement And Data | Early Math | Khan Academy

    Measuring Lengths With Different Units | Measurement And Data | Early Math | Khan Academy

    1,316 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-math-measuring-length/e/measuring-lengths-with-different-units?utm_source=YT&utm_medium=Desc&utm_campaign=Ear

  • 05:50 Popular Length Word Problems | Measurement And Data | Early Math | Khan Academy

    Length Word Problems | Measurement And Data | Early Math | Khan Academy

    923 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-math-length-word-problems/e/length-word-problems?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch t

  • 02:58 Ocean Volcanoes May Hold Clues To Alien Life

    Ocean Volcanoes May Hold Clues To Alien Life

    633 views / 0 likes - added

    Scientists think studying 'extremophiles' in toxic hydrothermal vents could teach us about potential extraterrestrial life. Why Does Deep Sea Life Look So Strange? - https://youtu.be/A23wI4lvCgY Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1P

  • 02:20 Here's How Much Gas Really Costs (If You Account for Global Warming)

    Here's How Much Gas Really Costs (If You Account for Global Warming)

    587 views / 0 likes - added

    The true cost of fossil fuels is hidden in subsidies, but a new study has estimated just how much they really are. And let's just say, fossil fuels are expensive. Which Power Source Is Most Efficient? - https://youtu.be/0c4xk5dB014 Sign Up For The Seeker

  • 51:53 Popular How to Do Maths Without a Calculator - with Rob Eastaway

    How to Do Maths Without a Calculator - with Rob Eastaway

    819 views / 0 likes - added

    Knowing how to quickly estimate sizes and numbers is a useful everyday application of maths.Buy Rob's book "Maths on the Back of an Envelope" now - https://geni.us/yaeUJwHow many cats are there in the world? What's the chance of winning the lottery twice?

  • 04:29 Popular Why Do We Waste $1 Trillion Of Food A Year?

    Why Do We Waste $1 Trillion Of Food A Year?

    917 views / 1 likes - added

    "Ugly" and deformed food often gets left in fields to rot. How can we help reduce this food waste? Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read More: USDA Food Waste FAQs http://www.usda.gov/oce/foodwaste/faqs.htm "In the United Sta

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  • 04:37 Popular Can We Mathematically Prove Aliens Exist?

    Can We Mathematically Prove Aliens Exist?

    977 views / 2 likes - added

    What is our probability of finding aliens and how close are we to encountering them?? The answer lies somewhere in these 2 equations. Could Life On Earth Have Come From A Comet? - http://bit.ly/2aXZC0a Sign Up For The Seeker Newsletter Here - http://bit.l

  • 04:10 Popular Why Fish Can Drink Salt Water And We Can’t

    Why Fish Can Drink Salt Water And We Can’t

    1,108 views / 3 likes - added

    When we drink saltwater it can kill us, yet our oceans are teeming with life. Why can some species survive in saltwater while others can’t? Why Can’t Some Birds Fly? ►►►► http://bit.ly/1UFLfQM Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1m

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  • 11:34 The global coffee crisis is coming

    The global coffee crisis is coming

    271 views / 0 likes - added

    It's becoming harder and harder to grow. Become a Video Lab member! http://bit.ly/video-labSources and Additional Reading:Andres Guhl http://etd.fcla.edu/UF/UFE0003960/guhl_a.pdfhttps://revistas.uniandes.edu.co/doi/pdf/10.7440/res32.2009.08Phillip A. Houg

  • 04:14 Popular Why Are Birds Different Colors?

    Why Are Birds Different Colors?

    993 views / 3 likes - added

    There are thousands of species of birds and with great numbers come great biodiversity. Birds are among the most colorful animals on the planet so today we're taking a look at how birds use science to employ a wide range of chemical and physical tricks wh

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  • 03:23 Popular If An Asteroid Didn’t Kill All The Dinosaurs, What Did?

    If An Asteroid Didn’t Kill All The Dinosaurs, What Did?

    765 views / 2 likes - added

    Dinosaurs had a far longer, more painful death than originally thought. Researchers found the asteroid hit was just the tip of the iceberg. There's A Dinosaur That Survived Mass Extinction! ►►►► http://bit.ly/1Ty8XsV Sign Up For The TestTube Newsletter He

  • 03:14 This Nuclear Robot Could Tunnel for Alien Life on Europa

    This Nuclear Robot Could Tunnel for Alien Life on Europa

    376 views / 0 likes - added

    This nuclear-powered tunneling robot could one day find life on Europa. Here’s how it works. Thumbnail image courtesy Alexander Pawlusik, LERCIP Internship Program, NASA Glenn Research Center. NASA’s Crazy Plan to Send a Space Submarine to Titan - https:/

  • 04:24 Popular What Does Nuclear Fallout Do To Your Body?

    What Does Nuclear Fallout Do To Your Body?

    1,179 views / 0 likes - added

    Nuclear explosions can spread harmful particulates for hundreds of miles. What is nuclear fallout and how can we protect ourselves from it? How Uranium Becomes Nuclear Fuel - http://bit.ly/2aGF6Bf Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO

  • 11:30 Why This Stuff Costs $2700 Trillion Per Gram

    Why This Stuff Costs $2700 Trillion Per Gram

    356 views / 0 likes - added

    Physics Girl is on Patreon! https://www.patreon.com/physicsgirl Theres a factory in Europe that makes antimatter! Its the rarest, most expensive, and potentially the most dangerous material on earth. Scientists dont know why this material is so rare. Anti

  • 02:50 What If All The World’s Coral Reefs Disappeared?

    What If All The World’s Coral Reefs Disappeared?

    595 views / 3 likes - added

    Earth is currently facing the worst bleaching of coral reefs ever known in history, but what would happen if all the coral reefs died off? We've already lost 50% of the world's coral, and we're at risk of losing even more. If the world lost all its coral

  • 10:38 Primitive Technology: Fired Clay Bricks

    Primitive Technology: Fired Clay Bricks

    523 views / 0 likes - added

    Primitive Technology: Fired Clay Bricks - Creating fired clay bricks from scratch. Subscribe: http://bit.ly/subPT | Never miss a video! Enable ‘ALL’ Notifications! More videos, watch me build a grass thatch, mud hut: https://youtube.com/watch?

  • 03:57 This Massive Super Earth Is Almost As Old As the Universe

    This Massive Super Earth Is Almost As Old As the Universe

    261 views / 0 likes - added

    In the ever-growing hunt for exoplanets, astronomers have recently discovered that one of the oldest stars in the Milky Way actually hosts a hot, rocky Super-Earth... when it shouldnt. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements

  • 04:26 Scientists Just Discovered Fresh Water Under the Ocean, and Its HUGE

    Scientists Just Discovered Fresh Water Under the Ocean, and Its HUGE

    442 views / 0 likes - added

    Scientists found a freshwater aquifer under the ocean. And get this there's enough water to fill 1.1 billion Olympic-sized swimming pools. Oceanographic teams have known for a while that there are pockets of fresh water below the seafloor. They would run

  • 04:01 How Your Dog's Nose Knows So Much | Deep Look

    How Your Dog's Nose Knows So Much | Deep Look

    597 views / 1 likes - added

    Support Deep Look on Patreon! https://www.patreon.com/deeplook Dogs have a famously great sense of smell, but what makes their noses so much more powerful than ours? They're packing some sophisticated equipment inside that squishy schnozz. SUBSCRIBE to De

  • 07:51 The Great Pacific Garbage Patch Is Not What You Think It Is | The Swim

    The Great Pacific Garbage Patch Is Not What You Think It Is | The Swim

    592 views / 1 likes - added

    It's not an island twice the size of Texas. But it is severely impacting marine life and human health... and incredibly hard to study. How Millions of Microscopic Fibers Are Ending Up in Our Bodies - https://youtu.be/Bbg0L7JN15U Read More What Happens to

  • 11:11 How Close Are We to a Complete Tree of Life?

    How Close Are We to a Complete Tree of Life?

    316 views / 0 likes - added

    Nearly 90% of all life on Earth is unaccounted for, but how close are we to discovering all life on Earth before it disappears? Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more How Close Are We | http://bit.ly/HCAWplaylist Follow Olivia on In

  • 04:09 This Is the Largest Map of Our Universe Ever Created

    This Is the Largest Map of Our Universe Ever Created

    265 views / 0 likes - added

    Scientists have mapped the largest amount of the night sky ever and you can explore it on the internet. The giant 2D map is a prerequisite for a 3D mapping project using the Dark Energy Spectroscopic Instrument, or DESI. Check out the map here: legacysurv

  • 04:34 Deadly Solar Flares & Coronal Mass Ejections - We Must Prepare

    Deadly Solar Flares & Coronal Mass Ejections - We Must Prepare

    60 views / 0 likes - added

    The sun ejects particles all the time in random directions, generating all kinds of space weather. Occasionally, Earth is caught in its sights. When a coronal mass ejection's magnetic field is misaligned to Earth's, a dangerous geomagnetic storm can occur

  • 11:01 Why This Train Is The Envy Of The World: The Shinkansen Story

    Why This Train Is The Envy Of The World: The Shinkansen Story

    560 views / 0 likes - added

    The first 200 viewers to sign up at https://brilliant.org/mustard will get 20% off their annual premium subscription In 1964, Japan unveiled the Shinkansen - a new high speed railway connecting the country’s two largest cities (in the 1960's), Tokyo

  • 03:49 Popular Upside-Down Catfish Doesn't Care What You Think

    Upside-Down Catfish Doesn't Care What You Think

    823 views / 5 likes - added

    You might suppose this catfish is sick, or just confused. But swimming belly-up actually helps it camouflage and breathe better than its right-side-up cousins. SUBSCRIBE to Deep Look! http://goo.gl/8NwXqt DEEP LOOK: a new ultra-HD (4K) short video series

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  • 03:24 Popular Why Do So Many Price Tags End In .99?

    Why Do So Many Price Tags End In .99?

    776 views / 1 likes - added

    It’s very common to see the number 9 at the right end of a price tag. Why is this? Lauren explains the psychology of prices and nines in this episode of BrainStuff. Learn more at HowStuffWorks.com. Share on Facebook: Share on Twitter: Subscribe: htt

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  • 04:14 Peregrine Falcons are Feathered Fighter Jets, Basically | Deep Look

    Peregrine Falcons are Feathered Fighter Jets, Basically | Deep Look

    537 views / 1 likes - added

    Peregrine falcons catch other birds mid-flight by diving at more than 200 mph. To do it, they need some high-precision gear: special eyesight, talons and aerodynamics that can't be beat.SUBSCRIBE to Deep Look! http://goo.gl/8NwXqtPlease support us on Patr


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