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02:20 Popular
Can the U.S. President Be ARRESTED?! | COLOSSAL QUESTIONS

1,165 views / 3 likes - added 7 years ago

There’s all kinds of perks to being the president: you get a cool house, a state-of-the-art super-secure plane, a chef who cooks whatever you want, and yes, all the super top-secret alien files!! But can the President of the United States be ARRESTED for
03:52
Why Parents Should Play Video Games With Their Kids

333 views / 0 likes - added 4 years ago

Many parents think of video games as either a total waste of time, or an activity for their kids to pursue on their own. But Dr. Sinem Siyahhan encourages parents to play video games with their kids. An associate professor at California State University s
15:08 Popular
Scientific Revolution: Crash Course European History #12

1,063 views / 0 likes - added 4 years ago

There was a lot of bad stuff going on in Europe in the 17th century. We've seen wars, plagues, and unrest of all types. But, there is some good news. Huge advances were underway in the scientific community in Europe at this time. In this video we'll look
04:50
This is NOT a Dandelion. | Deep Look

262 views / 0 likes - added 3 years ago

Not every yellow bloom or fluffy white globe taking over your backyard is a dandelion. Some of them are close relatives called catsears. But both of them have a little secret. To tell them apart and discover why they’re so successful you need to pee
1:07:03
The Three Stooges Best Episodes Ever Compilation (Remastered) (4:3 HD 1080p)

620 views / 1 likes - added 7 years ago

This compilation features 4 of the best classic three stooges episodes, faithfully remastered and restored in 4:3 and 1080 by 8thManDVD.com. The episodes' details are listed below, and please subscribe for more entertaining movies and cartoons! 0:10 Disor
01:31
Does Turkey Make You Sleepy?

587 views / 2 likes - added 6 years ago

The tryptophan in turkey gets a bad rap every Thanksgiving. Here's the real reason you're so tired. Following is a transcript of the video. Dr. Daniel Barone: So the myth is that turkey has a lot of a chemical known as tryptophan, which is actually the pr
01:16
Sequoia Fun Facts

356 views / 0 likes - added 4 years ago

Please LIKE and SUBSCRIBE if you enjoyed! http://bit.ly/1Adl6ht **More info & videos below**American Spring LIVE premieres April 29, 30 and May 1 at 8|7c on PBS and Facebook: https://to.pbs.org/2JzF5Ef---------------For full NATURE episodes, check out htt
13:16
Plasmas and Rainbows!

126 views / 0 likes - added 1 year ago

==============================================================================Please Note: This was recorded before the onset of the current pandemic. That's why masks aren't being worn, people are closer than 6 feet and schools are actually in session. I
How Ella Fitzgerald Turned Forgotten Lyrics Into One Of Her Best Performances Ever

242 views / 0 likes - added 2 years ago

Most people who don't know jazz can probably recognize the name of one of the genre's best singers: Ella Fitzgerald. Fitzgerald is one of the eight women at the center of this season of NPR Music's Turning the Tables, and she's arguably one of the most im
02:21
The Importance of Staring Out Of The Window

683 views / 0 likes - added 7 years ago

We are so busy and so obsessed with our phones, we rarely take a break to do that vital and rather philosophical thing: stare out of the window. Looking to achieve a better state of calm? Try our calm cards. http://bit.ly/29D6yiW If you like our films, ta
13:29
27 FUN AND CREATIVE PHOTO IDEAS

417 views / 0 likes - added 3 years ago

INCREDIBLE HACKS TO TAKE AWESOME PHOTOSThere are many fun and crazy tricks to make your photos look like professional ones! Today were going to show you how simple and easy it is to do these hacks and impress everyone. Well begin by showing you how to mak
12:06
How forever chemicals polluted Americas water

391 views / 1 likes - added 3 years ago

Why 99% of Americans have these chemicals in their blood.Become a Video Lab member! http://bit.ly/video-labNorth Carolinas Cape Fear River is a massive water system. It stretches across the lower half of the state, collecting runoff from 29 counties and p
05:33
The myth of Hades and Persephone - Iseult Gillespie

409 views / 1 likes - added 2 years ago

Dig into the Greek myth of Persephone, who is abducted by Hades and is only allowed to leave the underworld every spring.--One day, Persephone was frolicking in a meadow with the nymph, Cyane. As they admired a flower, they noticed it tremble in the groun
03:45
What If You Could Ski On Mars?

329 views / 0 likes - added 4 years ago

Did you know that Mars has polar ice caps just like we do here on Earth? With the right technology, they might be our water source should we ever move to the red planet. But in their current state, these caps could be a source for extreme interplanetary s
03:22
Rezball: The Hottest Sport in Nebraska’s Cold Winter

474 views / 0 likes - added 6 years ago

Winnebago, Nebraska, is a small town of just 1,500 or so residents. Located in the northeastern corner of the state, Winnebago is not a tourist hot spot. But when it’s cold outside, the town does heat up—thanks to the Winnebago High School basketball team
02:59 Popular
How The Moon Creates Rainbows

728 views / 0 likes - added 7 years ago

Everyone loves a good rainbow, but did you know we can see them at night, too? What are moonbows and how do they work? Can Some People See More Colors Than You? - https://youtu.be/MdBTMGRHk2g Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI
15:33 Popular
27 SWEET CANDY HACKS

1,170 views / 1 likes - added 5 years ago

CANDY HACKS This one for all the sweetums out there. Get ready to see the recipes and preparation process of the dessert masterpieces! Take a marshmallow and cut it in equal sections. Put them together in a form of a flower. Then sprinkle it with colored
03:45
Introduction to the possessive | The Apostrophe | Punctuation | Khan Academy

608 views / 0 likes - added 6 years ago

Apostrophes can help show when something belongs to someone. Paige and David explain how! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/introduction-to-the-possessive-case Watch the next lesson: https://www
15:28
Is An Ice Age Coming? | Space Time | PBS Digital Studios

612 views / 0 likes - added 8 years ago

Is winter coming? Find out in this episode of Space Time. Get your own Space Time tshirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.red
05:07 Popular
Complex sentences | Syntax | Khan Academy

779 views / 0 likes - added 6 years ago

Complex sentences are simple sentences with dependent or subordinate clauses added to them. Paige and Rosie explain how to spot them and use them in this video. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/syntax/v/compound-comple
03:50
Adjectives and commas | Adjectives | Khan Academy

700 views / 1 likes - added 6 years ago

When using more than one adjective, sometimes you put a comma between them and sometimes you don't. Learn how to tell when you need a comma in this video! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-modifier/e/commas-
02:03 Popular
You Have Mites Living On Your Face

709 views / 1 likes - added 8 years ago

Right now, there are tiny mites eating, laying eggs, dying, and leaking feces on your face. Subscribe! http://bit.ly/1FkxVLb ‖ Twitter! https://twitter.com/gross_science ‖ Tumblr! http://grossscience.tumblr.com/ ↓Want more info?↓ Your Wild Life—Meet Your
05:05
The surprising secrets of hummingbird flight - Kristiina J. Hurme and Alejandro Rico-Guevara

271 views / 1 likes - added 3 years ago

Dig into the incredible fighting, feeding, and flying capabilities of hummingbirds.--In just a matter of seconds, hummingbirds can perform astonishing aerial acrobatics, eat lunch in midair, pollinate a flower, even escape threats while upside-down. And t
12:17
Memory & Storage: Crash Course Computer Science #19

589 views / 0 likes - added 6 years ago

Pre-order our limited edition Crash Course: Computer Science Floppy Disk Coasters here! https://store.dftba.com/products/computer-science-coasters So we’ve talked about computer memory a couple times in this series, but what we haven’t talked about is sto
02:57 Popular
Meghan Trainor - Better When I'm Dancin' (Official Music Video) (From The Peanuts Movie)

2,607 views / 4 likes - added 4 years ago

Meghan Trainor ""Better When I'm Dancin'"" Choreographed by: Charm La’ Donna The PEANUTS Movie Original Motion Picture Soundtrack Soundtrack Available Everywhere October 23. Preorder it now at iTunes: http://smarturl.it/PeanutsSoundtrack Amazon: htt
05:29 Popular
DIY Trolls Party Decorations | JUST ADD GLITTER | TROLLS

940 views / 0 likes - added 7 years ago

I hope you're ready to party because Whitley and Gillian are throwing the coolest Trolls Birthday party ever and you're invited! On this episode the girls DIY their very own Trolls party decorations. Check out their glitter lanterns, cute cupcake garland,
02:01
This Mysterious Remedy Might Cure One Of The Deadliest Diseases

511 views / 0 likes - added 7 years ago

A tree in Africa contains compounds that kill mosquitoes and the malaria parasite they carry. Could this be the key to ending malaria? Why Can't We Get Rid Of Mosquitoes? - https://youtu.be/eg0CdYzpU2c Sign Up For The Seeker Newsletter Here - http://bit.l
11:28
How To Make Bubble Tea Tasty

357 views / 2 likes - added 3 years ago

Jasmine shows us how to make bubble tea!We hope you love the products we recommend! Just so you know, BuzzFeed may collect a share of sales from the links in this video description.WuFuYuan Pre-Made Tapioca Pearls:https://amzn.to/3gq2oMBAnthony's Organic
12:51
The Science Behind the Butterfly Effect

375 views / 0 likes - added 4 years ago

Chaos theory means deterministic systems can be unpredictable. Thanks to LastPass for sponsoring this video. Click here to start using LastPass: https://ve42.co/VeLP Animations by Prof. Robert Ghrist: https://ve42.co/GhristWant to know more about chaos th
03:47 Popular
How to Keep Your Phone Battery Charged Longer

1,063 views / 0 likes - added 7 years ago

Subscribe! http://bit.ly/ACSReactions The new iPhone is slimmer and faster than ever. But like most new generations of smartphones, its battery has pretty much stayed the same over the years. Short of carrying an external battery all the time, is there an
04:27
Conservation's Latest Problem? Not Enough Hunters

327 views / 0 likes - added 4 years ago

No matter how you feel about hunting, it provides a lot of funding for state wildlife agencies. Now, fewer Americans are hunting, and that system is breaking down. The United States needs to find a new way to fund the preservation of America's wilderness.
04:11
Advanced (plural) possession | The Apostrophe | Punctuation | Khan Academy

563 views / 0 likes - added 6 years ago

Paige and David talk about using apostrophes to show that something belongs to multiple people. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe/e/advanved--plural--possesion Watch
1:42:53
100 DIY - EASY LIFE HACKS AND DIY PROJECTS - SCHOOL SUPPLIES - ROOM DECOR and more...

491 views / 0 likes - added 1 year ago

100 DIY - EASY LIFE HACKS AND DIY PROJECTS - SCHOOL SUPPLIES - ROOM DECOR and more...Fun, Cute and Easy Crafts: Girl Crafts00:00 Handmade Flower Pot Idea 01:30 Rainbow Flower Pot Idea02:16 Ice Cream Box Idea03:50 Kawaii Rabbit Pencil Case05:01 Cup Cake Pe
01:51
Possession for words ending in “s” | The Apostrophe | Punctuation | Khan Academy

512 views / 0 likes - added 6 years ago

Do words that end in "s" still need _'s_ to show possession? David and Paige explain! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/introduction-to-the-possessive-case Watch the next lesson: https://www.kha
02:31
Choosing between its and it’s | The Apostrophe | Punctuation | Khan Academy

533 views / 1 likes - added 6 years ago

David and Paige explain the meaning of two English words that look and sound very similar but act very different: _its_ and _it's_. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe
11:54
Fast Food Vs. Homemade: McDonald's Egg McMuffin

508 views / 1 likes - added 5 years ago

We're gonna see how ours "measures" up. Check us out on Facebook! - facebook.com/buzzfeedtasty Credits: https://www.buzzfeed.com/bfmp/videos/71834 MUSIC SFX Provided By AudioBlocks (https://www.audioblocks.com) Licensed via Audio Network STILLS cheddar sl
02:46
Two Colour Chemiluminescent Clock Reaction - Periodic Table Of Videos

571 views / 0 likes - added 9 years ago

More details in full description. Dr Sam Tang adds hydrogen peroxide to pyrogallol, formaldehyde and luminol. Chemiluminescence is caused by molecules being formed with some of their electrons in a higher energy level and then losing that energy as light.
06:51
Why We're Hell-Bent on Saving These Giant Salamanders

313 views / 1 likes - added 4 years ago

In the fast-flowing streams of eastern Tennessee, Emilly Nolan is working hard to reestablish a population for a strange looking animal with an even stranger array of nicknames. The Eastern hellbenderaka snot otter, aka lasagna lizardis one of the largest
03:36 Popular
Introduction to contractions | The Apostrophe | Punctuation | Khan Academy

940 views / 1 likes - added 6 years ago

Apostrophes are great at standing in for missing letters, allowing us to shorten words. Paige and David discuss contractions and the Principle of Least Effort. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/
08:37
How a Heat Pump Works | This Old House

404 views / 0 likes - added 1 year ago

This Old House plumbing and heating expert Richard Trethewey instructs Kevin O’Connor on the basic principles of how a heat pump works. #ThisOldHouse #AskTOH SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse The heart of the heating a
01:48 Popular
Rare Mexican Wolf Pups Meet Their Wild Foster Families | Nat Geo Wild

1,362 views / 4 likes - added 6 years ago

This rare Mexican wolf mom and her litter have a special mission. Four of these critically endangered pups will be placed with new foster families in the wild. ➡ Subscribe: http://bit.ly/NatGeoWILDSubscribe About Nat Geo Wild: Welcome to a place so wild,
05:55
Wiggly Gelatin Treats! | The Science of Food! | SciShow Kids

213 views / 2 likes - added 2 years ago

Teachers and parents: scroll down to check out the Next Generation Science Standards (NGSS) for this episode!Mister Brown and Squeaks learn all about gelatin, and investigate if it is a liquid or a solid!Second Grade Next Generation Science StandardsDisci
03:19 Popular
Commas in space and time | The Comma | Punctuation | Khan Academy

827 views / 0 likes - added 6 years ago

Learn how to use commas when writing addresses (in space) and dates (in time). Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/salutations--valedictions--dates--and-addresses Watch t
10:32
19 AWESOME DIY CANDLES

528 views / 0 likes - added 5 years ago

THE COOLEST DIY CANDLES TO BRIGHTEN UP YOUR SPACE DIY candles are a really awesome craft. You can make your home a bit cozier with awesome candle crafts from this video. DIY candles are really fun to make. It's very useful to learn how to make DIY candles
15:29
The French Revolution: Crash Course European History #21

528 views / 0 likes - added 4 years ago

In 1789, the French Monarchy's habit of supporting democratic popular revolutions in North America backfired. Today, we're talking about the French Revolution. Across the world, people were rising up to throw off monarchies, and Louis didn't see the writi
07:04 Popular
Dependent and independent clauses | Syntax | Khan Academy

1,285 views / 0 likes - added 6 years ago

Independent clauses can stand on their own as sentences, but dependent clauses can’t. We’ll take a closer look at what this means. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/dependent-and-independent-clauses Wat
12:08
Unbreakable Exploding Glass Egg | Nickipedia

464 views / 0 likes - added 4 years ago

Cornings YT: https://www.youtube.com/user/corningmuseumofglassCorning Museum Website: https://www.cmog.orgSHARE THIS VIDEO: https://youtu.be/emac_xzGpo0Instagram: @NICKUHAS Twitter: @NICKUHASNickipedia Live Show Booking: http://nickipedialive.com/about/Ma
04:53
Subject-verb agreement | Syntax | Khan Academy

631 views / 0 likes - added 6 years ago

Agreement is the art of making sure that sentence parts agree with one another; you want to make sure that your subjects and verbs match up. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/subject-verb-agreement Watc
05:00
What Happens When a Human Gets Rabies?

358 views / 0 likes - added 5 years ago

Rabies has been scaring populations for thousands of years, but it's scary for more reasons than just a painful bite. Once the virus is inside us, it not only destroys our body, but damages our mind, and it can happen fast, or lay dormant for years before
07:23
How Trees Bend the Laws of Physics

263 views / 0 likes - added 3 years ago

Hope this was worth the wait! So many people helped with this video: Prof John Sperry, Hank Green, Henry Reich, CGP Grey, Prof Poliakoff, my mum filmed for me in beautiful Stanley Park and Jen S helped with the fourth version of the script.Prof John Sperr
03:39 Popular
Do Animals Laugh?

991 views / 2 likes - added 8 years ago

It’s no secret that some animal species are highly intelligent – but do they also “get” jokes? Can they laugh? Are laughter and intelligence even related? Learn more at HowStuffWorks.com: http://animals.howstuffworks.com/animal-facts/do-animals-laugh.htm
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13:11
The Country That Doesn't Exist - Transnistria

491 views / 0 likes - added 4 years ago

Welcome to the post-soviet country in Europe that doesn't exist. On the border of Moldova and Ukraine sits the breakaway Republic of Transnistria - a country that isn't recognised by any sovereign state in the world. Thanks to Soviet Wastelands for the ep
02:50
Exclamations | Syntax | Khan Academy

479 views / 0 likes - added 6 years ago

An exclamation is a sentence that expresses great emotion! David and Paige covered declarative, interrogative, and imperative sentences; now they tackle a fourth type of sentence that ends in an exclamation mark. Find out more! Watch the next lesson: http
04:14 Popular
Compound-complex sentences | Syntax | Khan Academy

852 views / 0 likes - added 6 years ago

Compound-complex sentences are compound sentences with dependent or subordinate clauses added to them. Paige and Rosie explain how to spot and use them. Practice this yourself on Khan Academy right now www.khanacademy.org/syntax/e/complex-and-compound-com
Tiger Beetles: Fierce Hunters, Fast Movers

143 views / 0 likes - added 2 years ago

Tiger beetles look like jewels and can smell like bubblegum. Whats not to love? Ph.D. student Harlan Gough of the Kawahara Lab at the Florida Museum Natural History shows us the world of tiger beetles -- fierce hunters and fast movers.Story:https://www.fl
12:23 Popular
Would Headlights Work At Light Speed?

725 views / 0 likes - added 9 years ago

If you were driving at the speed of light and turned on your headlights, what would happen? Twitter: http://www.twitter.com/tweetsauce Instagram: http://www.instagram.com/electricpants Sources and extras below!! Thanks to Jude for asking me this question
02:51
Apostrophes and plurals | The Apostrophe | Punctuation | Khan Academy

466 views / 0 likes - added 6 years ago

There is *one* extremely rare case in which we use apostrophes to make things plural. David and Paige, KA's resident grammarians, discuss this unusual case. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/p
59:31
The Story of Tetris | Gaming Historian

256 views / 0 likes - added 1 year ago

In 1984, during the Cold War, a Russian programmer named Alexey Pajitnov created something special: A puzzle game called Tetris. It soon gained a cult following within the Soviet Union. A battle for the rights to publish Tetris erupted when the game cross
01:35 Popular
The Spanish Castle That Inspired Walt Disney

919 views / 3 likes - added 6 years ago

Located in central Spain, the Alcázar of Segovia is one of the country’s most visited and distinctive landmarks. Emerging from a rocky crag rising between two rivers, the castle’s nautical shape mimics the bow of a ship. Having served as a fortress, a roy
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24:09
Meet Ripken: The Tee-rrific Pup | Nightly News: Kids Edition

110 views / 0 likes - added 1 year ago

Changing Seasons: Why do leaves change colors in the fall? We break down the science behind it. Maze Craze: We share what it takes to make all of those twists and turns. Ripken the Tee-rrific Pup! The black Labrador Retriever has a unique job of retrievin
03:36
What It’s Like To Pretend To Live On Mars For 8 Months

564 views / 0 likes - added 6 years ago

NASA runs fake space missions on Earth. These simulations — called analog missions — allow scientists to study what a long space mission would be like for the crew. Some analog missions study the use of specialized technology or the effects of zero gravit
09:37
The Transistor: a 1953 documentary, anticipating its coming impact on technology

94 views / 0 likes - added 1 year ago

Made between the 1947 invention of the transistor at Bell Labs and the 1956 awarding of the Nobel Prize for Physics to its creators, this documentary is less about the discovery itself than its anticipated impact on technology and society. The intent of t
15:54 Popular
Napoleon Bonaparte: Crash Course European History #22

1,128 views / 5 likes - added 4 years ago

We try not to get into too much great man history here at Crash Course, but we have to admit: Napoleon Bonaparte is a pretty big deal. Join us as we track the rise, further rise, fall, rise, fall, mortal fall, and posthumous rise of Napoleon. This guy cha
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How code has changed the world - with Torie Bosch

101 views / 0 likes - added 1 year ago

Why does computer code have such a huge impact on our lives? From the Y2K bug to the history of pop-up ads, discover how code has changed the world.Buy the book here: https://geni.us/X2ENWatch the Q&A here: https://youtu.be/jTvcnGzPj8YEverything from law
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Three types of sentence | Syntax | Khan Academy

643 views / 0 likes - added 6 years ago

Three essential types of sentence are declarative sentences (which are statements), interrogative sentences (which are questions), and imperative sentences (which are orders). Join us as we give examples of each! Practice this yourself on Khan Academy rig
2:00:59
Would YOU buy this? Richard's strangest invention on TV! | Gumball | Cartoon Network

45 views / 2 likes - added 2 months ago

The Wattersons fear the worst when they are summoned to a Town Hall meeting, but are surprised when they're offered a new house until they discover it's in a different state. Click to watch more of The Amazing World of Gumball - https://www.youtube.com/wa
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Parallel structure | Syntax | Khan Academy

660 views / 0 likes - added 6 years ago

Parallel structure isn’t a set rule, but more of a stylistic choice: it helps sentence elements maintain a pattern. This is a very special episode because it’s Paige’s last video with us as a KA intern! We will miss having Paige as a contributor to the Gr
02:01 Popular
The present tense | The parts of speech | Grammar | Khan Academy

810 views / 0 likes - added 6 years ago

How do we talk about things that are happening right now? Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/the-past-tense-verbs-the-parts-of-speech?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Misse
04:21
Introduction To The SAT Reading Test | Tips & Planning | New SAT | Khan Academy

615 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-tips-planning/new-sat-about-sat/v/sat-writing-test-intro?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous lesson? https://www.khanacademy.org/test-prep/new-s
03:53
Why should you read The Joy Luck Club by Amy Tan? - Sheila Marie Orfano

406 views / 0 likes - added 4 years ago

Get to know Amy Tans novel The Joy Luck Club, a series of interconnected vignettes centered around four Chinese American families. --In her Auntie An-meis home, Jing-Mei reluctantly takes her seat at the eastern corner of the mahjong table. At the north,
07:14 Popular
DIY Trolls Pencil Toppers | TROLLS

714 views / 2 likes - added 6 years ago

Lily shows you how to make some Troll-rific back-to-school supplies with these DIY Poppy, Branch, and Guy Diamond pencil toppers! Materials: Polymer clay colors for Poppy: Light pink, bright pink, teal, and green Polymer clay colors for Branch: Teal, dark
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09:03
BONUS VIDEO | Singular They | The parts of speech | Grammar | Khan Academy

517 views / 0 likes - added 6 years ago

You may have been hearing a lot about the "singular they" recently. But what is it? How does it work, what is its history, and is it grammatical? Let's find out. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-modif
16:34
Economic Depression and Dictators: Crash Course European History #37

549 views / 0 likes - added 4 years ago

We're still leading up to World War II, but first we gotta talk about the rise of the dictators. Today we talk about the rise of militaristic dictatorships in Germany, the Soviet Union, Japan, and Spain, and the economic depression that set the stage for
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The past tense | The parts of speech | Grammar | Khan Academy

929 views / 0 likes - added 6 years ago

When you want to talk about events that have already happened, you use the past tense. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/the-future-tense-verbs-the-parts-of-speech?utm_source=YT&utm_medium=
03:12
My Dad Was Never There For Me

638 views / 2 likes - added 5 years ago

By Tina |***Not feeling good and need to talk to someone? Visit: http://BetterHelp.com/Storybooth You can get help NOW from our sponsor***| | Ready to "wear it out loud?” Merch store open, SHOP NOW: http://bit.ly/storybooth-merch | Subscribe: http://bit.l
03:33
Rick Astley - Never Gonna Give You Up (Official Music Video Rickroll)

109 views / 3 likes - added 1 month ago

The official video for “Never Gonna Give You Up” by Rick Astley that has become famous for Rickrolling on the web. The new album 'Are We There Yet?' is out now: Download here: https://RickAstley.lnk.to/AreWeThereYetFA/itunes “Never Gonna
02:50 Popular
The future tense | The parts of speech | Grammar | Khan Academy

966 views / 0 likes - added 6 years ago

When you want to talk about the future in English, you use the future tense. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/linking-verbs-the-parts-of-speech-grammar?utm_source=YT&utm_medium=Desc&utm_ca
04:19
Dangling modifiers | Syntax | Khan Academy

595 views / 0 likes - added 6 years ago

A modifying word or phrase “dangles” when it doesn’t apply to the word it’s supposed to modify. Learn how to spot and fix this problem! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/dangling-modifiers/ Watch the ne
05:38 Popular
DIY Trolls Party Treats | JUST ADD GLITTER | TROLLS

783 views / 2 likes - added 7 years ago

Gillian and Whitley are making some tasty Trolls treats for their Trollrific birthday party! Find out how to make your very own edible Troll hair Cupcakes, some rocking rainbow sugar cookie bars, and some cute and colorful candy kebabs. Keep watching to s
05:32
DIY Trolls Party Treats | JUST ADD GLITTER | TROLLS

625 views / 0 likes - added 7 years ago

Gillian and Whitley are making some tasty Trolls treats for their Trollrific birthday party! Find out how to make your very own edible Troll hair Cupcakes, some rocking rainbow sugar cookie bars, and some cute and colorful candy kebabs. Keep watching to s
07:14
Content Changes To The New SAT | Tips & Planning | New SAT | Khan Academy

648 views / 0 likes - added 9 years ago

Sal covers the major content changes to the new SAT. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-tips-planning/new-sat-about-sat/v/sat-math-test-intro?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous l
14:36
English Civil War: Crash Course European History #14

449 views / 0 likes - added 4 years ago

The English Civil War. We'll talk about England after Elizabeth, in which things didn't go that smoothly. We'll talk about James I, Charles I, Oliver Cromwell, Charles II, and James II, all of whom ruled England, (and tried to rule all of Britain and Irel
04:29 Popular
Simple and compound sentences | Syntax | Khan Academy

926 views / 0 likes - added 6 years ago

A simple sentence contains one independent clause. A compound sentence contains more than one! Put another way: a simple sentence contains a subject and a predicate, but a compound sentence contains more than one subject and more than one predicate. Pract
05:00
What Happens if Earth Gets 2°C Warmer?

361 views / 0 likes - added 6 years ago

Over the last 20 years, 2°C has been referenced in climate policies and agreements made by the Council of the European Union, the G8 (now the G7), and more. So what makes two degrees so important? -- Producer/Video by: Jason Lederman Narrator: Amy Schelle
02:18 Popular
Salutations and valedictions | Punctuation | Grammar | Khan Academy

829 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, talk about how to address and sign off on letters using commas! Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/commas-in-space-and-time-the-comma-punctuation-khan-a
05:33
Which voting system is the best? - Alex Gendler

366 views / 0 likes - added 4 years ago

Dive into four different voting systems: plurality, instant runoff, tactical, and the Condorcet method, and find out which is fairest. --Imagine we want to build a new space port at one of four recently settled Martian bases, and are holding a vote to cho
Shark devours wall of mullets - Seven Worlds, One Planet | BBC Earth

185 views / 1 likes - added 2 years ago

Subscribe and to the BBC https://bit.ly/BBCYouTubeSubWatch the BBC first on iPlayer https://bbc.in/iPlayer-Home Blacktip sharks, pelicans and tarpon feast on millions of grey mullet as the fish migrate along the coast of Florida. More than any other conti
04:07 Popular
Pronoun-antecedent agreement | Syntax | Khan Academy

781 views / 0 likes - added 6 years ago

An antecedent is “the thing that came before”. When you use a pronoun, it’s standing in for a word you used previously—that’s the antecedent. Join us as we demonstrate how to make sure that your pronouns and antecedents match up with one another: that’s c
03:04
What Does Monkeypox Do To Your Body?

206 views / 0 likes - added 2 years ago

What Is Monkeypox? Where does Monkeypox come from? Let's get some of your questions answered on this disease!Watch more: https://www.youtube.com/watch?v=L_WaiVi3AikMeet the Life Noggin Team!Director/Voice - Pat Graziosi: http://twitter.com/PatGraziosi Exe
13:19 Popular
16 AWESOME AND SIMPLE COOKING HACKS

1,025 views / 2 likes - added 5 years ago

DISHES FOR A PERFECT DINNER Holidays are coming and we have a selection of perfect recipes for Christmas dinner! Baked camembert is a classic appetizer for any occasion and you can cook different snacks and even main dishes out of it. Moreover, it works w
04:05
Mapping How Americans Talk - Soda vs. Pop vs. Coke

575 views / 0 likes - added 6 years ago

What's your general term for a sweetened carbonated beverage? What word or words do you use to address a group of two or more people? What do you call it when the rain falls while the sun is shining? Former Harvard professor Bert Vaux asked tens of thousa
14:01
The Congress of Vienna: Crash Course European History #23

462 views / 0 likes - added 4 years ago

The end of the Napoleonic Wars left the great powers of Europe shaken. Judging from the destruction that had been wrought across the continent, it seemed to the powers that be that the Enlightenment had liberated the people, and led to disaster. So, every
09:11
Magnetic Locking WITHOUT a Superconductor!

644 views / 0 likes - added 3 years ago

In this video I show you how to classically lock a magnet in space without the use of a superconductor. I show you a little know effect called a magnetic bound state that can occur on alternating magnets. See Hamdi Ucar's paper: https://arxiv.org/ftp/arxi
02:28 Popular
Baby Talk | Let's Talk | NPR

760 views / 0 likes - added 5 years ago

When babies babble they are in a heightened state of arousal and ready to learn. Subscribe to NPR! https://bit.ly/2o5dHjo Host of NPR’s Hidden Brain Shankar Vedantam breaks down the four types of baby babble. • Read or listen to: "#HowToRaiseAHuman" at np
03:48
Recognizing fragments | Syntax | Khan Academy

494 views / 0 likes - added 6 years ago

A sentence fragment is a chunk of language that hasn’t made it all the way to being a working sentence; it might be missing a verb, or there might not be a subject. Learn how to turn a fragment into a sentence in this video! Practice this yourself on Khan
04:38
Run-ons and comma splices | Syntax | Khan Academy

604 views / 0 likes - added 6 years ago

A run-on sentence doesn’t separate any of its independent clauses with the punctuation that it needs, and a comma splice incorrectly separates two independent clauses with a comma, instead of a comma-and-coordinating-conjunction. Practice this yourself on
11:30 Popular
4D MONKEY DUST

734 views / 0 likes - added 6 years ago

Henry Segerman shows us shadows (and dust) from the fourth dimension! More links & stuff in full description below ↓↓↓ Dr Segerman is an assistant professor in the Department of Mathematics at Oklahoma State University. More Numberphile with him: http://b
14:33
Modern Life: Crash Course European History #30

350 views / 0 likes - added 4 years ago

So, "modern" is kind of a loaded term, but today we're going to talk about modern life in Europe, as it looked around the time the 19th century turned into the 20th. We'll look at what life was like in the rapidly growing urban centers of Europe, how deve
01:56 Popular
Relative pronouns | The parts of speech | Grammar | Khan Academy

1,132 views / 0 likes - added 6 years ago

We use the relative pronouns to connect clauses together, like "the man *who sold the world* is coming over for dinner." David, KA's Grammar Fellow, explains. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/
05:11 Popular
Robotic Raptor Claw DESTROYS Giant Gummy ft Veritasium | SCI-FI TEST LAB presented by Jurassic World

886 views / 0 likes - added 5 years ago

Brought to you by Jurassic World: Fallen Kingdom! Today in the Sci Fi Test Lab, we are building a razor-sharp RAPTOR CLAW! Will it destroy a GIANT GUMMY BEAR? Will it tear through a TELEVISION? → Credits ← Hosts: Skye Povov Zaire Adams Directed by Shane S
02:34
Subjects and predicates | Syntax | Khan Academy

661 views / 0 likes - added 6 years ago

A subject is the noun or pronoun-based part of a sentence, and a predicate is the verb-based part that the subject performs. Let’s explore how that works in context. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/id
05:53
This AI Learned To Animate Humanoids

314 views / 0 likes - added 4 years ago

Check out Lambda here and sign up for their GPU Cloud: https://lambdalabs.com/papers The paper "Neural State Machine for Character-Scene Interactions" is available here:https://github.com/sebastianstarke/AI4Animation We would like to thank our generous Pa
17:06
The Industrial Revolution: Crash Course European History #24

588 views / 0 likes - added 4 years ago

We've talked about a lot of revolutions in 19th Century Europe, and today we're moving on to a less warlike revolution, the Industrial Revolution. You'll learn about the development of steam power and mechanization, and the labor and social movements that
05:25 Popular
Complex Numbers — Harder Example | Math | New SAT | Khan Academy

1,047 views / 0 likes - added 8 years ago

Watch Sal work through a harder Complex numbers problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-tips-planning/new-sat-about-sat/v/walk-through-sat-practice-platform?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Mi
13:44
Dutch Golden Age: Crash Course European History #15

472 views / 0 likes - added 4 years ago

While the English were falling apart a little, with their civil war and their restoration and their succession problems, the Dutch were getting their act together. They were throwing off the yoke of the Spanish Empire, uniting their provinces, and buildin
16:40
My robotic basketball hoop won't let you miss

440 views / 0 likes - added 4 years ago

I wasn't totally satisfied with my previous basketball hoop so I made another try at the problem. This time with robots and computer vision! My old solid state hoop is old news. Long live our robot overlords. I wonder what V3 will look like... The basketb
13:57
The Cosmic Origin of Earths Most Precious Metals

157 views / 0 likes - added 1 year ago

Follow me to The Bigger Picture on @PBS https://youtu.be/Wnr4RJxDifwSUBSCRIBE so you dont miss a video! http://bit.ly/iotbs_sub More info and sources below Precious metals like gold, silver, platinum, and rhodium are expensive because they're rare in Eart
16:36 Popular
Writing: Informative — How-to Example | Reading & Writing | New SAT | Khan Academy

921 views / 0 likes - added 8 years ago

Watch Sal work through an SAT Writing: Informative passage. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-reading-writing/new-sat-writing-passages/v/sat-writing-narrative?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Mis
08:34
The Mystery of the Eocene’s Lethal Lake

563 views / 0 likes - added 5 years ago

Check out America from Scratch: https://www.youtube.com/americafromscratch In 1800s, miners began working in exposed deposits of mud near the town of Messel, Germany. They were extracting oil from the rock and along with the oil, they found beautifully pr
03:24 Popular
More uses for commas | Punctuation | Grammar | Khan Academy

806 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, discuss tag questions, yes and no statements, and direct address -- all situations where the comma is super useful. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/c
03:02 Popular
Linking verbs | The parts of speech | Grammar | Khan Academy

1,658 views / 0 likes - added 6 years ago

In a previous video, we established that one thing verbs can do is show actions, like "the bear runs." Verbs can also link ideas to one another, like "the bear looks cheerful." Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofs
04:05
How Zero-G Planes Work

649 views / 0 likes - added 6 years ago

The European Space Agency offered me a seat on their zero-g plane: it's an Airbus A310 that flies parabolic maneuvers, pulling up into the sky and then arcing back down, giving its passengers about 20 seconds of weightlessness (or "microgravity") at a tim
Featured
02:55 Popular
Linear Equation Word Problems — Basic Example | Math | New SAT | Khan Academy

1,233 views / 0 likes - added 9 years ago

Watch Sal work through a basic Linear equations word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-heart-of-algebra/v/sat-math-h2-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev
21:02 Popular
Writing: Argument — How-to Example | Reading & Writing | New SAT | Khan Academy

776 views / 0 likes - added 8 years ago

Watch Sal work through an SAT Writing: Argument passage. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-reading-writing/new-sat-writing-passages/v/sat-writing-informational-passage?utm_source=YT&utm_medium=Desc&utm_campaign=N
11:04
The Deadliest Virus on Earth

564 views / 0 likes - added 1 year ago

Go beyond the nutshell at https://brilliant.org/nutshell by diving deeper into these topics and more with 20% off an annual subscription!Sources & further reading:https://sites.google.com/view/sources-rabies/In the 1970s thousands of Chickenheads rained f
01:16 Popular
Solving Quadratic Equations — Basic Example | Math | New SAT | Khan Academy

954 views / 0 likes - added 8 years ago

Watch Sal work through a basic Solving quadratic equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p5-harder?utm_source=YT&utm_medium=Desc&utm_campaign=New
02:49
Circle Equations — Harder Example | Math | New SAT | Khan Academy

658 views / 0 likes - added 8 years ago

Watch Sal work through a harder Circle equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pr
01:53 Popular
Circle Equations — Basic Example | Math | New SAT | Khan Academy

780 views / 0 likes - added 8 years ago

Watch Sal work through a basic Circle equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s8-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pre
03:43
Right Triangle Geometry — Harder Example | Math | New SAT | Khan Academy

621 views / 0 likes - added 8 years ago

Watch Sal work through a harder Right triangle geometry problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s4-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed
08:17 Popular
Right Triangle Geometry — Basic Example | Math | New SAT | Khan Academy

929 views / 0 likes - added 8 years ago

Watch Sal work through a basic Right triangle geometry problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s7-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed
03:18 Popular
Congruence And Similarity — Harder Example | Math | New SAT | Khan Academy

1,189 views / 0 likes - added 8 years ago

Watch Sal work through a harder Congruence and similarity problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s7-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Miss
04:19 Popular
Congruence And Similarity — Basic Example | Math | New SAT | Khan Academy

1,589 views / 0 likes - added 8 years ago

Watch Sal work through a basic Congruence and similarity problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s6-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse
04:10 Popular
Circle Theorems — Harder Example | Math | New SAT | Khan Academy

1,494 views / 0 likes - added 8 years ago

Watch Sal work through a harder Circle theorems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s8-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pre
04:28 Popular
Circle Theorems — Basic Example | Math | New SAT | Khan Academy

1,364 views / 0 likes - added 8 years ago

Watch Sal work through a basic Circle theorems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s5-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev
02:50 Popular
Complex Numbers — Basic Example | Math | New SAT | Khan Academy

1,023 views / 0 likes - added 8 years ago

Watch Sal work through a basic Complex numbers problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s3-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev
05:33 Popular
Right Triangle Word Problems — Harder Example | Math | New SAT | Khan Academy

715 views / 0 likes - added 8 years ago

Watch Sal work through a harder Right triangle word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s6-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
03:52
Right Triangle Word Problems — Basic Example | Math | New SAT | Khan Academy

699 views / 0 likes - added 8 years ago

Watch Sal work through a basic Right triangle word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s2-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
05:09 Popular
Volume Word Problems — Harder Example | Math | New SAT | Khan Academy

1,222 views / 0 likes - added 8 years ago

Watch Sal work through a harder Volume word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s2-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previou
02:13
Moros intrepidus: North America's Tiny Tyrannosaur

314 views / 0 likes - added 3 years ago

Diminutive, fleet-footed tyrannosauroid narrows the 70-million-year gap in the North American fossil recordPublished in Communications Biology21 Feb 2019DOI: 10.1038/s42003-019-0308-7Authors: Lindsay Zanno, Terry Gates, Aurore Canoville, Haviv Avrahami, N
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Graphing Linear Equations — Harder Example | Math | New SAT | Khan Academy

914 views / 0 likes - added 8 years ago

Watch Sal work through a harder Graphing linear equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-heart-of-algebra/v/sat-math-h3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
10:53
Inside the World's Only Chile Pepper Institute

35 views / 0 likes - added 1 month ago

Chile peppers spice up cuisines around the world, from Chile Rellenos to Hunan Kung Pao, but they can be surprisingly tricky to grow and harvest. In this episode of Hungry Planet, Niba chats with two teams increasing access to chile peppers: New Mexico St
05:35
What Happens When You're In A Coma?

573 views / 0 likes - added 8 years ago

The word coma comes from the greek meaning of “deep sleep,” but what exactly does this unconscious state do to your brain? Can A Brain Injury Make You a Genius? ►►►► http://bit.ly/1H7EgWg Read More: How Comas Work http://science.howstuffworks.com/life/ins
05:56 Popular
10 Amazing Paper Tricks!

906 views / 1 likes - added 8 years ago

Add me on Facebook (click LIKE on Facebook to add me) http://www.facebook.com/brusspup Download links for the music in the video: Song #1 - Soul Switch - iTunes: https://itunes.apple.com/us/album/soul-switch-single/id426471027 Amazon: http://www.amazon.co
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03:59 Popular
Volume Word Problems — Basic Example | Math | New SAT | Khan Academy

1,037 views / 0 likes - added 8 years ago

Watch Sal work through a basic Volume word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous
29:13
50 DIY AWESOME ROOM DECOR IDEAS - HOME DECOR IDEAS YOU WILL LOVE

303 views / 0 likes - added 1 year ago

50 DIY AWESOME ROOM DECOR IDEAS - HOME DECOR IDEAS YOU WILL LOVEFun, Cute and Easy Crafts: Girl Crafts00:00 Recycled Rainbow Pen Holder 00:40 Flamingo Organizer Idea01:34 Handmade Cloud Pillow Idea 02:28 Amazing BTS Decor Idea03:12 Pom Pom Ice Cream Decor
03:01
Kindness Is Your Superpower! | NEW SONG | American Girl Music Videos

141 views / 0 likes - added 11 months ago

Be the girl of the hour, kindness is your superpower!Watch NEW American Girl videos http://bit.ly/AGNewVideosWatch ALL the AG series! Newest American Girl Videos - http://bit.ly/AGPopularUploads Designer House | Animated Series - https://bit.ly/AGDesigner
02:38 Popular
Function Notation — Harder Example | Math | New SAT | Khan Academy

1,217 views / 0 likes - added 8 years ago

Watch Sal work through a harder Function notation problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q1-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse
04:44 Popular
Relative clauses | Syntax | Khan Academy

752 views / 0 likes - added 6 years ago

A relative pronoun is a word like “that” or “which” or “who”, so a relative clause is a clause that begins with a relative pronoun. In the sentence “The dragon who breathed blue fire has retired,” “who breathed blue fire” is a relative clause. Learn more
03:58
The Null Hypothesis

564 views / 0 likes - added 6 years ago

While I was trying to read a script to a camera in zero-g, the student researchers behind me were trying to prove their own ideas -- or rather, to disprove their "null hypothesis". Let's talk about how science works -- and have a look at one of the teams
02:23
Isolating Quantities — Harder Example | Math | New SAT | Khan Academy

665 views / 0 likes - added 8 years ago

Watch Sal work through a harder Isolating quantities problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p13-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT M
02:01 Popular
Isolating Quantities — Basic Example | Math | New SAT | Khan Academy

1,113 views / 0 likes - added 8 years ago

Watch Sal work through a basic Isolating quantities problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p14-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Mi
02:26 Popular
Function Notation — Basic Example | Math | New SAT | Khan Academy

1,135 views / 0 likes - added 8 years ago

Watch Sal work through a basic Function notation problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p13-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse
02:39 Popular
Operations With Polynomials — Harder Example | Math | New SAT | Khan Academy

1,453 views / 0 likes - added 8 years ago

Watch Sal work through a harder Operations with polynomials problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p11-easier?utm_source=YT&utm_medium=Desc&utm_campaign=N
02:57 Popular
Operations With Polynomials — Basic Example | Math | New SAT | Khan Academy

1,513 views / 0 likes - added 8 years ago

Watch Sal work through a basic Operations with polynomials problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p6-harder?utm_source=YT&utm_medium=Desc&utm_campaign=New
05:57 Popular
Metal T. Rex ATTACKS Car | SCI FI TEST LAB PRESENTED BY JURASSIC WORLD

721 views / 3 likes - added 5 years ago

Brought to you by Jurassic World: Fallen Kingdom! Today in the Sci Fi Test Lab, we are building a metal T. REX JAW! Can it smash a CAR DOOR? Can it tear through a WATERMELON? Watch Skye and Zaire put it to the explosive test! → Credits ← Hosts: Skye Povov
02:11 Popular
Ratios, Rates, And Proportions — Basic Example | Math | New SAT | Khan Academy

1,041 views / 0 likes - added 8 years ago

Watch Sal work through a basic Ratios, rates, and proportions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
07:22 Popular
Data Collection And Conclusions — Harder Example | Math | New SAT | Khan Academy

819 views / 0 likes - added 8 years ago

Watch Sal work through a harder Data collections and conclusions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s1-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewS
05:42
The Little-Known Truth Behind Raising Cane's Chicken Fingers

451 views / 0 likes - added 3 years ago

Whether or not you've been to a Raising Cane's Chicken Fingers, you've probably heard of the fast-growing chain, their tasty chicken, and their much-loved sauce. But no matter how many times you've feasted on their offerings, you probably don't know every
07:00
The Amazing World of Bees

589 views / 0 likes - added 5 years ago

Without the honeybee, a third of the world's crops would disappear... So why are we killing our buzzing buddies? Get episodes a WEEK EARLY by signing up for a free 30 day trial of the video streaming app Love Nature: http://bit.ly/KeepAnimalogicAlive It's
05:00 Popular
What BMI doesn't tell you about your health

708 views / 0 likes - added 6 years ago

The way we define obesity is flawed. Read more about Body Mass Index's flaws on Vox.com: http://bit.ly/2nxeQ2U The body mass index, better known as BMI, is a measure of obesity that has been in use for over 200 years. It was a formula created by Belgian m
05:41 Popular
That versus which | The parts of speech | Grammar | Khan Academy

970 views / 0 likes - added 6 years ago

Much has been made of the distinction between "that" and "which" in English, but it can mostly be summed up in two points: 1. "That" doesn't work so well with commas. 2. "Which" doesn't work so well with people. David the Grammarian explains. Watch the ne
04:53
Robotic Dinosaur Stiggy CRUSHES Cement Wall | SCI-FI TEST LAB presented by Jurassic World

593 views / 0 likes - added 5 years ago

Brought to you by Jurassic World! Jurassic World: Fallen Kingdom is available for digital download now! Make sure to check it out. Today in the Sci Fi Test Lab, we build a robotic STYGIMOLOCH STIGGY SKULL! Will it bust through a CEMENT WALL? Will it shatt
03:45 Popular
Angles, Arc Lengths, And Trig Functions — Harder Example | Math | New SAT | Khan Academy

1,021 views / 0 likes - added 8 years ago

Watch Sal work through a harder Angles, arc lengths, and trig functions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s5-easier?utm_source=YT&utm_medium=Desc&utm_campai
03:52 Popular
Angles, Arc Lengths, And Trig Functions — Basic Example | Math | New SAT | Khan Academy

879 views / 0 likes - added 8 years ago

Watch Sal work through a basic Angles, arc lengths, and trig functions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s4-harder?utm_source=YT&utm_medium=Desc&utm_campaig
02:58 Popular
Nonlinear Equation Graphs — Harder Example | Math | New SAT | Khan Academy

1,268 views / 0 likes - added 8 years ago

Watch Sal work through a harder Nonlinear equation graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p8-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewS
02:01 Popular
Radicals And Rational Exponents — Basic Example | Math | New SAT | Khan Academy

1,504 views / 0 likes - added 8 years ago

Watch Sal work through a basic Radicals and rational exponents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p3-harder?utm_source=YT&utm_medium=Desc&utm_campaign
02:22 Popular
Nonlinear Equation Graphs — Basic Example | Math | New SAT | Khan Academy

765 views / 0 likes - added 8 years ago

Watch Sal work through a basic Nonlinear equation graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p12-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewS
01:15 Popular
Polynomial Factors And Graphs — Harder Example | Math | New SAT | Khan Academy

1,316 views / 0 likes - added 8 years ago

Watch Sal work through a harder Polynomial factors and graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p12-easier?utm_source=YT&utm_medium=Desc&utm_campaign
01:36 Popular
Polynomial Factors And Graphs — Basic Example | Math | New SAT | Khan Academy

1,082 views / 0 likes - added 8 years ago

Watch Sal work through a basic Polynomial factors and graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p11-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
03:13 Popular
Interpreting Nonlinear Expressions — Harder Example | Math | New SAT | Khan Academy

835 views / 0 likes - added 8 years ago

Watch Sal work through a harder Interpreting nonlinear expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p1-easier?utm_source=YT&utm_medium=Desc&utm_camp
05:55 Popular
Interpreting Nonlinear Expressions — Basic Example | Math | New SAT | Khan Academy

1,866 views / 1 likes - added 8 years ago

Watch Sal work through a basic Interpreting nonlinear expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p10-harder?utm_source=YT&utm_medium=Desc&utm_camp
03:06 Popular
Operations With Rational Expressions — Harder Example | Math | New SAT | Khan Academy

1,320 views / 0 likes - added 8 years ago

Watch Sal work through a harder Operations with rational expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p6-easier?utm_source=YT&utm_medium=Desc&utm_ca
03:22
Linear And Quadratic Systems — Harder Example | Math | New SAT | Khan Academy

665 views / 0 likes - added 8 years ago

Watch Sal work through a harder Linear and quadratic systems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p4-easier?utm_source=YT&utm_medium=Desc&utm_campaign=N
04:50 Popular
Linear And Quadratic Systems — Basic Example | Math | New SAT | Khan Academy

816 views / 0 likes - added 8 years ago

Watch Sal work through a basic Linear and quadratic systems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p8-harder?utm_source=YT&utm_medium=Desc&utm_campaign=Ne
04:34 Popular
Radical And Rational Equations — Harder Example | Math | New SAT | Khan Academy

1,086 views / 0 likes - added 8 years ago

Watch Sal work through a harder Radical and rational equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p9-easier?utm_source=YT&utm_medium=Desc&utm_campaign
01:22 Popular
Radical And Rational Equations — Basic Example | Math | New SAT | Khan Academy

880 views / 0 likes - added 8 years ago

Watch Sal work through a basic Radical and rational equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p7-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
05:39 Popular
Solving Quadratic Equations — Harder Example | Math | New SAT | Khan Academy

845 views / 0 likes - added 8 years ago

Watch Sal work through a harder Solving quadratic equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p10-easier?utm_source=YT&utm_medium=Desc&utm_campaign=N
02:33 Popular
Radicals And Rational Exponents — Harder Example | Math | New SAT | Khan Academy

1,569 views / 0 likes - added 8 years ago

Watch Sal work through a harder Radicals and rational exponents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p7-easier?utm_source=YT&utm_medium=Desc&utm_campaig
09:40 Popular
Quadratic And Exponential Word Problems — Harder Example | Math | New SAT | Khan Academy

1,023 views / 0 likes - added 8 years ago

Watch Sal work through a harder Quadratic and exponential word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p2-easier?utm_source=YT&utm_medium=Desc&utm_campaign
03:30 Popular
Quadratic And Exponential Word Problems — Basic Example | Math | New SAT | Khan Academy

2,584 views / 0 likes - added 8 years ago

Watch Sal work through a basic Quadratic and exponential word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
06:07
Robotic Stegosaurus Tail SMASHES Watermelon | SCI-FI TEST LAB presented by Jurassic World

629 views / 2 likes - added 5 years ago

Brought to you by Jurassic World: Fallen Kingdom! Jurassic World: Fallen Kingdom is available for digital download now! Make sure to check it out. Today in the Sci Fi Test Lab, we are building a robotic STEGOSAURUS TAIL! Will it destroy a large LIGHTBULB?
03:55
Why Australia's fires are linked to floods in Africa

405 views / 2 likes - added 4 years ago

Fires are normal in Australia. This year was off the charts.Correction: A previous version of this video had the date January 7, 2019 at 0:11 and sourced the Department of Western Australia at 0:24. It has been corrected to January 7, 2020 and the Governm
03:40
Pentatonix - Last Christmas (Official Video) ft. HIKAKIN & SEIKIN

283 views / 0 likes - added 1 year ago

NEW ALBUM HOLIDAYS AROUND THE WORLD OUT NOW! https://pentatonix.lnk.to/HATWNEW HOLIDAY SONGS & REIMAGINED CLASSICS WITH 10 GLOBAL SUPERSTARS INCLUDING MEGHAN TRAINOR, LANG LANG, HIKAKIN & SEIKEN, LEA SALONGA & MORE! NEW PENTATONIX HOLIDAY SPECIAL AROUND T
03:42
Pentatonix - Christmas In Our Hearts (Official Video) ft. Lea Salonga

151 views / 0 likes - added 1 year ago

NEW ALBUM HOLIDAYS AROUND THE WORLD OUT NOW! https://pentatonix.lnk.to/HATWNEW HOLIDAY SONGS & REIMAGINED CLASSICS WITH 10 GLOBAL SUPERSTARS INCLUDING MEGHAN TRAINOR, LANG LANG, HIKAKIN & SEIKEN, LEA SALONGA & MORE! NEW PENTATONIX HOLIDAY SPECIAL AROUND T
05:57 Popular
Phrases and clauses | Syntax | Khan Academy

1,524 views / 0 likes - added 6 years ago

A phrase is any collection of words that behaves like a part of speech, like a noun phrase (“my brother Stu”), an adjectival phrase (“in a different shade of blue”), or an adverbial phrase (“with elegance and tact”). A clause is any noun phrase plus a ver
03:37 Popular
Scatterplots — Harder Example | Math | New SAT | Khan Academy

1,330 views / 0 likes - added 8 years ago

Watch Sal work through a harder Scatterplots problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q5-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
04:34 Popular
Scatterplots — Basic Example | Math | New SAT | Khan Academy

1,616 views / 0 likes - added 8 years ago

Watch Sal work through a basic Scatterplots problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q4-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
05:03 Popular
Units — Harder Example | Math | New SAT | Khan Academy

814 views / 0 likes - added 8 years ago

Watch Sal work through a harder Units problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q7-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previo
03:00 Popular
Units — Basic Example | Math | New SAT | Khan Academy

825 views / 0 likes - added 8 years ago

Watch Sal work through a basic Units problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q3-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previou
01:45 Popular
Percents — Harder Example | Math | New SAT | Khan Academy

764 views / 0 likes - added 8 years ago

Watch Sal work through a harder Percents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pre
03:14 Popular
Percents — Basic Example | Math | New SAT | Khan Academy

714 views / 0 likes - added 8 years ago

Watch Sal work through a basic Percents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q2-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev
11:47 Popular
Bond enthalpy and enthalpy of reaction | Chemistry | Khan Academy

1,152 views / 0 likes - added 6 years ago

Introduction to bond enthalpy, and how to use bond enthalpies to calculate enthalpy of reaction. Watch the next lesson: https://www.khanacademy.org/science/chemistry/thermodynamics-chemistry/enthalpy-chemistry-sal/v/2015-ap-chemistry-free-response-7?utm_s
14:06
Reform and Revolution 1815-1848: Crash Course European History #25

496 views / 0 likes - added 4 years ago

In the aftermath of the revolutions and upheaval in 18th and early 19th century Europe, there was a hunger for reform across the continent. Reformers like Robert Owen, Charles Fourier, and Auguste Comte proposed radical new ideas, and at the same time, re
07:02 Popular
Manipulating Quadratic And Exponential Expressions — Harder Example | Math | New SAT | Khan Academy

2,354 views / 0 likes - added 8 years ago

Watch Sal work through a harder Manipulating quadratic and exponential expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p3-easier?utm_source=YT&utm_medi
03:42 Popular
Manipulating Quadratic And Exponential Expressions — Basic Example | Math | New SAT | Khan Academy

1,063 views / 0 likes - added 8 years ago

Watch Sal work through a basic Manipulating quadratic and exponential expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p2-harder?utm_source=YT&utm_mediu
15:44
The Protestant Reformation: Crash Course European History #6

380 views / 0 likes - added 4 years ago

You may have noticed that the internet is terrible at religious discourse. Well, this is not a new phenomenon. In the early 16th century, the Roman Catholic church dominated Christianity in Europe, and the institution was starting to show some cracks. Ten
06:47
Haunted Joker Trick | JUNK DRAWER MAGIC

674 views / 2 likes - added 6 years ago

Today's Trick- A haunted joker guesses your card! → Credits ← Hosts: Akira Sky Walker Satterwhite Created by Stu Stone & Jesse Feinberg Directed by Shane Spiegel & Justin Reager Written by Dan Siegel, Shane Spiegel & Justin Reager Executive Producer Judy
11:48
$250,000 for a High School Science Student

448 views / 0 likes - added 5 years ago

The story of three impressive high school science projects. Can you guess which student won $250,000 in the #RegeneronSTS? Applications open June 1: http://bit.ly/2HkLXT1 This video was sponsored by Regeneron. The Science Talent Search was founded and pro
05:23
George Washington and How Vaccines Work?

214 views / 0 likes - added 2 years ago

Vaccines are one of humanity’s greatest triumphs, and now save more lives than any other medical procedure. Before the COVID-19 pandemic, vaccines were mostly deployed against viruses that had plagued humans for centuries, such as measles and smallp
06:13 Popular
Rate constant k from half-life example | Knetics | Chemistry | Khan Academy

932 views / 0 likes - added 6 years ago

Example problem showing how to find the rate constant k from the half-life of a first order reaction. Watch the next lesson: https://www.khanacademy.org/science/chemistry/chem-kinetics/copy-of-kinetics/v/second-order-reaction-with-calculus?utm_source=YT&u
04:28 Popular
Data Inferences — Harder Example | Math | New SAT | Khan Academy

760 views / 1 likes - added 8 years ago

Watch Sal work through a harder Data inferences problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q9-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed
03:32 Popular
Data Inferences — Basic Example | Math | New SAT | Khan Academy

1,400 views / 0 likes - added 8 years ago

Watch Sal work through a basic Data inferences problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q8-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed t
02:01 Popular
Table Data — Harder Example | Math | New SAT | Khan Academy

857 views / 0 likes - added 8 years ago

Watch Sal work through a harder Table data problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q4-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the p
01:22 Popular
Table Data — Basic Example | Math | New SAT | Khan Academy

1,038 views / 0 likes - added 8 years ago

Watch Sal work through a basic Table data problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q7-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pr
01:26
Introduction to verbs | The parts of speech | Grammar | Khan Academy

618 views / 0 likes - added 6 years ago

Let's explore what verbs are, and what they do! David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/identifying-verbs?utm_source=YT&utm_medium
13:51 Popular
Gilded Age Politics:Crash Course US History #26

797 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps keep the channel producing great conten
04:33 Popular
Coordinating conjunctions | The parts of speech | Grammar | Khan Academy

997 views / 0 likes - added 6 years ago

Coordinating conjunctions connect parts of sentences to each other. David explains how. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/meet-the-conjunction?utm_source=YT&utm_me
07:14 Popular
Calculating internal energy and work example | Chemistry | Khan Academy

1,096 views / 0 likes - added 6 years ago

Worked example calculating the change in internal energy for a gas using the first law of thermodynamics. Watch the next lesson: https://www.khanacademy.org/science/chemistry/thermodynamics-chemistry/internal-energy-sal/v/specific-heat-and-latent-leat-of-
05:14
Pentatonix - "Hallelujah" (Live from The Evergreen Christmas Tour 2021)

136 views / 1 likes - added 7 months ago

NEW ALBUM HOLIDAYS AROUND THE WORLD OUT NOW! https://pentatonix.lnk.to/HATWNEW HOLIDAY SONGS & REIMAGINED CLASSICS WITH 10 GLOBAL SUPERSTARS INCLUDING MEGHAN TRAINOR, LANG LANG, HIKAKIN & SEIKEN, LEA SALONGA & More! NEW PENTATONIX HOLIDAY SPECIAL AROUND T
07:50 Popular
pH and pKa relationship for buffers | Chemistry | Khan Academy

834 views / 0 likes - added 6 years ago

How the Henderson-Hasselbalch equation can be used to look at the ratio of conjugate acid and base using relationship between buffer pH and pKa. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acid-base-equilibrium/buffer-solutions/v/
05:34
The most notorious scientific feud in history - Lukas Rieppel

196 views / 0 likes - added 2 years ago

Get to know one of the most infamous scientific rivalries in history, known as the Bone Wars, where two scientists competed to find dinosaur fossils.--After the California Gold Rush of 1848, settlers streamed west to strike it rich. In addition to preciou
04:22 Popular
Ratios, Rates, And Proportions — Harder Example | Math | New SAT | Khan Academy

940 views / 0 likes - added 8 years ago

Watch Sal work through a harder Ratios, rates, and proportions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q2-easier?utm_source=YT&utm_medium=Desc&utm_campaign
05:18 Popular
Linear And Exponential Growth — Harder Example | Math | New SAT | Khan Academy

870 views / 0 likes - added 8 years ago

Watch Sal work through a harder Linear and exponential growth problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q8-easier?utm_source=YT&utm_medium=Desc&utm_campaign=
02:28 Popular
Linear And Exponential Growth — Basic Example | Math | New SAT | Khan Academy

1,149 views / 0 likes - added 8 years ago

Watch Sal work through a basic Linear and exponential growth problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q6-harder?utm_source=YT&utm_medium=Desc&utm_campaign=N

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