Search Results: "tourism california desert region"

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02:49
Make The Best Pie Ever Using Science

446 views / 0 likes - added 6 years ago

You may have Grandma’s recipe for the perfect crust, but do you really know what goes on at a molecular level? Subscribe! http://bit.ly/1fUWHyY What Does A Cancer Cell Look Like?: https://youtu.be/BhAP6IfykEQ UCLA biophysicist Amy Rowat shares some of the
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
09:12
STRAPPED INTO A FALLING HELICOPTER - Smarter Every Day 154

625 views / 0 likes - added 7 years ago

Click to get a Kiwi Crate Subscription for a kid you love: http://bit.ly/SmarterKiwiCrate Click here if you're interested in subscribing: http://bit.ly/Subscribe2SED Want to tweet this? http://bit.ly/ChopperFall ⇊ Click below for more links! ⇊ ⇊ Click bel
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
01:41 Popular
Fresh Guacamole by PES | Oscar Nominated Short

757 views / 0 likes - added 4 years ago

Update Feb 2020: Been sharing BTS footage and more on Instagram recently. If you're interested, join me here: https://www.instagram.com/pesfilm/ The 2013 Academy Award Nominated film by PES. 'Fresh Guacamole' is the shortest film ever nominated for an Osc
05:49
Why was India split into two countries? - Haimanti Roy

411 views / 2 likes - added 2 years ago

Dig into the 1947 Partition of India, when Britain split the region into two states, India and Pakistan, and the mass migrations and violence that followed.--In 1947, the British viceroy announced that after 200 years of British rule, India would gain ind
05:33 Popular
Does This Strange Animal Have Alien DNA?

765 views / 0 likes - added 8 years ago

Tardigrades are awesome! They can survive in extreme weather and even breed in space, but what else do we know about these mysterious creatures? Understanding The Weird Anatomy Of An Octopus ►►►► http://bit.ly/1IWZSen Sign Up For The TestTube Newsletter H
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05:35
What Does Malaria Do to the Human Body?

676 views / 0 likes - added 5 years ago

Malaria is one of the oldest diseases in human history, dating back to ancient civilizations in Greece and China. It has even been attributed to aiding the fall of the Roman Empire.So if weve been fighting malaria for so long, why havent we been able to s
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
08:32
How to fight climate change with parking lots

111 views / 0 likes - added 7 months ago

Why havent we covered them in solar panels?This episode is presented by Delta. Delta doesnt have a say in our editorial, but they make videos like this possible. For more information, visit http://www.delta.com/sustainability.Subscribe to our channel and
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/
03:46
NASAs First Asteroid Sample

106 views / 0 likes - added 8 months ago

OSIRIS-REx is NASA’s first asteroid sample return mission. It launched in September 2016 on a journey to explore a near-Earth asteroid called Bennu. In October 2020, the spacecraft ventured to the asteroid’s surface and collected about 250 gra
03:24
Winter is Coming For These Argentine Ant Invaders | Deep Look

585 views / 1 likes - added 7 years ago

Argentine ants are spreading across the globe, eliminating local ants with their take-no-prisoners tactics: invade, dismember, repeat. But this ruthless killer seems to have met its match in the winter ant, a California native with a formidable secret wea
54:11
How To Clone A Mammoth: The Science Of De-Extinction - With Beth Shapiro

579 views / 0 likes - added 8 years ago

Could we bring back mammoths? Should we bring back mammoths? Beth Shapiro explains the science of de-extinction and Jurassic Park, and asks if it’s a good idea at all. Subscribe for regular science videos: http://bit.ly/RiSubscRibe Could extinct species,
06:21
Could These Bridges Keep Mountain Lions Safe?

516 views / 2 likes - added 3 years ago

Mountain lion numbers are dwindling due to the highways that fragment their habitat. Soon, wildlife experts hope to rejoin these lions with a large highway overpass disguised as a continuation of the wild hills to restore genetic diversity to this iconic
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
02:48 Popular
Math Professor Fixes Projector Screen (April Fools Prank)

1,117 views / 0 likes - added 2 years ago

A prank I did for April Fool's Day for my math class. I "accidentally" drew on the projector with a whiteboard marker, and get help from the YouTube video. ______________________________________________ Created by Matthew Weathers Filmed at Biola Universi
06:22
What caused the Rwandan Genocide? - Susanne Buckley-Zistel

113 views / 0 likes - added 11 months ago

Dig into the history of the Rwandan Genocide of 1994, during which over one-tenth of the countrys population was killed.--For one hundred days in 1994, the African country of Rwanda suffered a horrific campaign of mass murder. Neighbor turned against neig
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
14:16
World War I Battlefields: Crash Course European History #33

530 views / 0 likes - added 4 years ago

Europe's system of alliances and centuries-old tensions erupted into war in August of 1914. This week on Crash Course Euro, we're talking about the military history of World War I, and taking a look at the broad strokes of how the war unfolded. We'll take
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
04:11
This Adorable Sea Slug is a Sneaky Little Thief | Deep Look

631 views / 1 likes - added 5 years ago

Take the PBSDS survey: https://to.pbs.org/2018YTSurvey Explore our VR slug and support us on Patreon! https://www.patreon.com/deeplook Nudibranchs may look cute, squishy and defenseless ... but watch out. These brightly-colored sea slugs aren't above stea
03:59 Popular
How Kittens Go From Clueless to Cute | Deep look

810 views / 2 likes - added 5 years ago

Please support us on Patreon! https://www.patreon.com/deeplook Take the PBSDS survey: https://to.pbs.org/2018YTSurvey Fluffy kittens chasing a ball are beyond adorable -- but they sure aren't born that way. Practically deaf and blind, in their first few w
03:58
Cockroach vs. Hydraulic Press: Who Wins? | Deep Look

160 views / 0 likes - added 8 months ago

Do cockroaches -- those daring, disgusting disease vectors -- have anything at all to offer us? Scientists think so. They compressed American roaches with a hydraulic press, subjecting them to the force of 900 times their body weight. Don't worry (or do):
05:55
Meet the Redwoods: The Worlds Tallest Trees

284 views / 1 likes - added 3 years ago

Jessi and Squeaks are thinking of visiting the redwoods, the tallest trees in the world, but there's lots for them to learn before they make their trip!----------Love SciShow Kids and want to help support it? Become a Patron on Patreon: https://www.patreo
04:29
Can We Power the World With a Single Energy Grid?

598 views / 0 likes - added 5 years ago

China is building a 1.1 million volt power line that will carry power 3,200km. Could this be the beginning of a united global energy grid? These Strange Metals Could Make Electronics Perfectly Efficient - https://youtu.be/HQcKEFoufLA Read More: China’s gi
11:23
Why Bumble Bees Are the Fuzzy Heroes We Need

41 views / 0 likes - added 1 month ago

If the insect world has a fuzzy, charismatic cutie, its surely the humble bumble bee. While insect populations are declining around the globe, bumble bees face unique threats that make them particularly vulnerable. Surveying projects across the U.S. are c
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
04:14
Meeting a Wormlion Is the Pits | Deep Look

357 views / 0 likes - added 4 years ago

Straight out of science fiction, the fearsome wormlion ambushes prey at the bottom of a tidy - and terrifying - sand pit, then flicks their carcasses out. These meals fuel its transformation into something unexpected.SUBSCRIBE to Deep Look! http://goo.gl/
03:52
The Science Behind Hollywood Explosions

610 views / 0 likes - added 6 years ago

How do filmmakers create a big explosion? Theodore Kim explains how his software creates the smoke effects seen in many Hollywood films. Subscribe! http://bit.ly/1fUWHyY The Fascinating History of Animation: https://youtu.be/gfH-NLo8tRk Nobody blows thing
02:51
Apostrophes and plurals | The Apostrophe | Punctuation | Khan Academy

465 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
03:07
The search for a safer mosquito spray

590 views / 0 likes - added 6 years ago

Safer, cheaper, better-smelling insect repellent is coming thanks to recent research from UC Riverside that lets researchers know what a bug’s nose knows. Subscribe! http://bit.ly/1fUWHyY How Do Our Bodies Fight Off Dangerous Chemicals? https://youtu.be/8
03:48
Saturn's Rings Finally Explained After 400 Years

642 views / 0 likes - added 1 year ago

Saturn's ring formation has been a mystery since Galileo first discovered them in 1610. Now, scientists at the Massachusetts Institute of Technology and the University of California, Berkeley, using data from NASA's Cassini mission, suggest the planet's r
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03:39
Do spoilers actually ruin stories?

630 views / 0 likes - added 6 years ago

Next time someone is about to spoil your favorite show, don’t plug your ears: research shows that “spoilers” actually make you enjoy stories more. Subscribe! http://bit.ly/1fUWHyY How Dr. Seuss Created "Green Eggs & Ham": https://youtu.be/jUkfO-TAOLY Taki
13:11
Tony Hawk breaks down skateboardings legendary spots

303 views / 0 likes - added 3 years ago

Full pipes, ledges, stair sets, and pools: These are the skate spots that made legends. Subscribe to our channel! http://goo.gl/0bsAjOTony Hawk, the legendary skateboarder, and Iain Borden, an architectural historian, are your guides in this deep dive int
07:30 Popular
LOONEY TUNES (Looney Toons): Gold Rush Daze (1939) (Remastered) (HD 1080p)

1,336 views / 2 likes - added 7 years ago

A prospector drives to the hills to dig for gold. A local gas station attendant goes on to explain that the prospector is wasting his time: since 1849, he had been chasing gold strikes around the world and never achieving success. The film shows the atten
06:54
Why Roller Coaster Track is Filled with Sand

551 views / 0 likes - added 4 years ago

A look at how roller coaster noise can be reduced by filling the track with sand.Support Art of Engineering on Patreon: https://www.patreon.com/ArtOfEngineeringTwitter: https://twitter.com/aoEngineeringFacebook: https://www.facebook.com/ArtOfEngineeringYT
03:31
The Teenage Women Changing the Face of Boxing

514 views / 0 likes - added 5 years ago

Sandra Tovar trains six days a week, three times a day, and has her eye on winning an Olympic gold medal. At 17 years old, shes the nations number one boxer in her weight class, and shes training alongside other young women in Fresno, California, who are
03:32
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
03:55
Banana Slugs: Secret of the Slime | Deep Look

587 views / 0 likes - added 7 years ago

Beneath the towering redwoods lives one of the most peculiar creatures in California: the banana slug. They're coated with a liquid crystal ooze that solves many problems slugs face in the forest -- and maybe some of our own. SUBSCRIBE: http://goo.gl/8NwX
05:27
Why Don’t We Have Functional Biofuel Yet?

364 views / 0 likes - added 5 years ago

Alternative fuels, like ethanol and algae, have been around for years, yet there have been obstacles hindering these biofuels' take over the market. Here's why. Are We Getting Closer to Thorium Nuclear Fuel? - https://youtu.be/bcjYwxrUERg Read More: Biofu
05:05
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
04:06
Chinas Chang'e 5 Will Collect the First Moon Rocks in Nearly 40 Years

593 views / 0 likes - added 3 years ago

China's Change 5 is getting ready for its launch to an unexplored region of the moon, where it will collect the first lunar sample in nearly 40 years. Subscribe to Seeker!http://bit.ly/subscribeseeker Watch more Countdown to Launch: http://bit.ly/CTLplayl
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
03:31 Popular
Where Are the Ants Carrying All Those Leaves? | Deep Look

775 views / 1 likes - added 7 years ago

Ants don’t eat leaves. They use them to grow white tufts of nutritious fungus to feed their offspring. Their success as farmers has made leafcutter ants into fungus tycoons, complete with their own underground cities and huge half-inch soldiers to patrol
05:47
The Only Water on Earth Without Life

271 views / 0 likes - added 4 years ago

When it comes to water on Earth, life finds a way. Even in the hottest, most acidic, and saltiest waters in the world, odds are you'll find some kind of organism adapted to live in it. There is, however, a place with water so extremely inhospitable that n
02:21
Hot Wheels Boosted

531 views / 0 likes - added 4 years ago

If you ever wondered what it looks like to blast off through a Hot Wheels tire booster, wonder no more! Hold on to your hats, keep your head back and arms down. Featuring 6 "launches", this track was filmed in 13 sections and stitched together with cuts a
04:21
Introduction To The SAT Reading Test | Tips & Planning | New SAT | Khan Academy

614 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
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
02:00 Popular
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=
05:55
Marble Machine X Plays Drums!

434 views / 0 likes - added 4 years ago

”Yes!!! It works :) Check out the MMX Poster Here: https://teespring.com/stores/wintergatan I made a track to show the drums, you can download it for free here: https://wintergatan.bandcamp.com/ This was really difficult to achieve, i had to make se
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
04:01
A Baby Dragonfly's Mouth Will Give You Nightmares | Deep Look

335 views / 0 likes - added 3 years ago

Dragonflies might rule the skies, but their babies grow up underwater in a larva-eat-larva world. Luckily for them, they have a killer lip that snatches prey, Alien-style, at lightning speed.SUBSCRIBE to Deep Look! http://goo.gl/8NwXqtDEEP LOOK: a new ult
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
08:21
How Disney's Magic Mirror Works

375 views / 0 likes - added 3 years ago

Go to https://NordVPN.com/ArtofEngineering or use code ARTOFENGINEERING to get 70% off a 3-year plan plus 1 additional month for free!A look at the magic mirror illusion from Disneys Enchanted Tales with Belle attraction.Support Art of Engineering on Patr
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
03:31
You Can't Unsee the Assassin Bugs Dirty Work | Deep Look

257 views / 0 likes - added 2 years ago

Under the bright yellow petals of a tarweed plant, an insect known as the assassin bug kills its caterpillar victim by stabbing it over and over. But does this perpetrator have an accomplice? Sticky droplets all over the plant could be a clue.SUBSCRIBE to
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
18:43
How Disney Fools Your Brain with Forced Perspective

438 views / 0 likes - added 3 years ago

Go to https://NordVPN.com/ArtofEngineering and use code ARTOFENGINEERING to get 68% off a 2-year plan plus 1 additional month for free. Its risk-free with Nords 30-day money-back guarantee!A comprehensive guide to forced perspective techniques at the Disn
05:35
Think You Know Whats Inside a Camels Hump? THINK AGAIN?

247 views / 0 likes - added 3 years ago

A camels hump weighs roughly 35 kilograms. So what exactly is in a camel's hump? Subscribe to Seeker! http://bit.ly/subscribeseeker Visit our shop at http://shop.seeker.comThere are three types of camels: the Dromedary, which has one hump, and the Bactria
02:48
Can Lasers Make The Internet Faster?

528 views / 0 likes - added 6 years ago

Faster, faster, more and more data. Our demands for Internet speed are outpacing the technology. UC San Diego alum Janelle Shane has an answer: lasers. Subscribe! http://bit.ly/1fUWHyY How Dust is Holding Science Back: https://youtu.be/JASaK6U9Frs As we t
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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
03:18 Popular
What Would Happen If You Never Stopped Growing?

1,392 views / 3 likes - added 6 years ago

Humans grow to reach a certain height but then just stop growing. Why is this? Watch more: What Would Happen If You Never Stopped Eating? ►► https://www.youtube.com/watch?v=QQP6c_xLetk&t=0s&list=PL8L0MzSk_V6JtEDRfRMyb6rFd1acqYSlO&index=52 Subscribe: https
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04:07 Popular
Pronoun-antecedent agreement | Syntax | Khan Academy

780 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
04:43 Popular
The Axolotl Salamander Doesnt Wanna Grow Up | Deep Look

1,075 views / 2 likes - added 2 years ago

Native to the lakes of Mexico City, the axolotl stays in the water its whole life, swimming with a tail fin and breathing through frilly external gills. Its nearly extinct in the wild, but survives in research labs the world over, studied for its amazing
14:18 New
How Hardest Geezer Ran the Entire Length of Africa | Super Power

10 views / 0 likes - added 5 days ago

Head to https://my.huel.com/gbsRuss to fuel your own superhero story.Russ Cook AKA @hardestgeezer has made headline news across the globe. Why? Because hes just completed the equivalent of 385 marathons in 352 days, running across the entire length of Afr
12:48
Countries That No Longer Exist!

541 views / 0 likes - added 5 years ago

The most interesting countries that no longer exist! These are history's most fascinating nations that you can't find on a modern map.What country gained independence from Mexico just to join another country? Which nation used to consist of nearly a third
15:13
Is Dust Mostly Dead Skin?

341 views / 1 likes - added 3 years ago

People claim that 70-80% of household dust is dead skin, but is it true?Thanks to Google for sponsoring this video! Learn more about Search here: https://www.google.com/search/howsearchworks/Special thanks to J.M.E.H van Bronswijk, author of 'House Dust B
03:48
How Do Pelicans Survive Their Death-Defying Dives? | Deep Look

660 views / 0 likes - added 6 years ago

Brown pelicans hit the water at breakneck speed when they catch fish. Performing such dangerous plunges requires technique, equipment, and 30 million years of practice. SUBSCRIBE to Deep Look! http://goo.gl/8NwXqt DEEP LOOK is a ultra-HD (4K) short video
05:42
Ugly History: The Spanish Inquisition - Kayla Wolf

247 views / 0 likes - added 3 years ago

Dig into the era of the Spanish Inquisition, when the Catholic Church was charged with rooting out and punishing heresy.--In 1478, Pope Sixtus IV issued a decree authorizing the Catholic monarchs, Ferdinand and Isabella, to root out heresy in the Spanish
15:31
The Truth About Butterfly Metamorphosis (It's VERY WEIRD)

111 views / 0 likes - added 5 months ago

Check out @crashcourse Botany! https://www.youtube.com/watch?v=2th5lAd-77A More info and sources below Does any other creature on Earth undergo a life transformation as dramatic as the butterfly? I think not. Unfortunately, children's books about very hun
04:19
How To Find Your Own Seafood | The Salt | NPR

402 views / 0 likes - added 5 years ago

Mussels, clams and a monkeyface eel, oh my! The Sea Forager, Kirk Lombard, shows us how to sustainably forage and eat wild animals found on the Northern California coast. • Read "VIDEO: Watch The Sea Forager Sustainably Harvest The Ocean's Bounty" at http
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
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/
05:32
The rise and fall of the Maya Empires most powerful city - Geoffrey E. Braswell

19 views / 0 likes - added 1 month ago

Trace the rise and fall of the Maya city Chichen Itza, and how Yucatns unpredictable environment contributed to its demise.--During the 8th century CE, warfare and failing agriculture forced Maya people to move north, to hotter, drier Yucatn. Because of i
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
07:04
Worlds First and Largest Exoskeleton Racing Mech

305 views / 0 likes - added 3 years ago

A man by the name of Jonathan Tippett built Prosthesis, which is the worlds first and largest, purpose-built, off-road exoskeleton racing mech, which was designed and made to pioneer an entirely new sport of mech racing.It even has a Guinness World Record
02:31
Mobula Rays "Vortex Feeding" Caught on Camera

324 views / 0 likes - added 4 years ago

From both above and below the water, the spies capture the phenomenon of Mobula rays vortex feeding.Please LIKE and SUBSCRIBE if you enjoyed it! http://bit.ly/1Adl6ht **More info & videos below**Spy in the Wild 2 - Episode Two: The North premieres Wednesd
05:09
Praying Mantis Love is Waaay Weirder Than You Think | Deep Look

670 views / 2 likes - added 5 years ago

Support Deep Look on Patreon!! https://www.patreon.com/deeplook These pocket-sized predators are formidable hunters. But when it comes to hooking up, male mantises have good reason to fear commitment. SUBSCRIBE to Deep Look! http://goo.gl/8NwXqt DEEP LOOK
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
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
03:24 Popular
More uses for commas | Punctuation | Grammar | Khan Academy

805 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
05:07
Life on Other Planets May Need Radiation to Thrive, Here's Why

292 views / 0 likes - added 3 years ago

New research reveals that massive amounts of radioactive material might actually be essential for life outside our solar system. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/ElementsPlaylist Visit our shop at http:
06:44
You Won't Believe Trigg Watson's Mind-Blowing Digital Magic | Auditions | AGT 2023

189 views / 0 likes - added 10 months ago

The digital magician from California will blow your mind with his tech-savvy magic! From screens to reality his impressive talents will leave you wondering how he did that! Get The America's Got Talent App: http://bit.ly/AGTAppDownload Subscribe for More:
03:02 Popular
Linking verbs | The parts of speech | Grammar | Khan Academy

1,657 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
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
04:07 Popular
A New State of Water Reveals a Hidden Ocean in Earth’s Mantle

962 views / 0 likes - added 5 years ago

Diamonds from deep within the earth carry a new form of water ice, Ice-VII, that confirms there’s an ocean underneath us! Here’s what we know. This Massive Asteroid Is Headed for Earth…. What Now?- https://youtu.be/yL7EEXg2niU Read More: The Hunt for Eart
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
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
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

620 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
02:38 Popular
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
04:04 Popular
The giant larvacean Bathochordaeus

804 views / 0 likes - added 7 years ago

Bathochordaeus is considered a giant among larvaceans. The giant larvacean’s claim to fame is the huge mucous house it builds. The house is made up of two filters and basically functions as an elaborate feeding apparatus. They eat tiny particles of
04:26
The Vinegaroon Sprays Acid to Foil Its Foes | Deep Look

178 views / 0 likes - added 2 years ago

The vinegaroon also known as a whip scorpion looks like a Frankenstein creation of monster body parts. But unlike true scorpions, it doesnt use venom to defend itself from predators. Instead, it aims its tail at their face and sprays a blast of acid that
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
11:36 Popular
Whats Hiding at the Most Solitary Place on Earth? The Deep Sea

775 views / 1 likes - added 4 years ago

To support Kurzgesagt and learn more about Brilliant, go to https://www.brilliant.org/nutshell and sign up for free. The first 688 people that go to that link will get 20% off the annual Premium subscription.Sources:https://sites.google.com/view/sources-d
04:22
These Giant Leaf Insects Will Sway Your Heart | Deep Look

444 views / 1 likes - added 4 years ago

Giant Malaysian leaf insects stay still – very still – on their host plants to avoid hungry predators. But as they grow up, they can't get lazy with their camouflage. They change – and even dance – to blend in with the ever-shiftin
03:39
Everything Scientists Could Learn By Looking At Your Skull

577 views / 0 likes - added 7 years ago

Our skulls are all unique, but they also share characteristics across groups of people. Scientists can use this information to learn a lot about the previous "owner" of the skull. Why We Can't Always Trust DNA Evidence - https://youtu.be/601U11FH6iE Sign
02:07
How To Travel Around The World in 60 Seconds!

574 views / 0 likes - added 5 years ago

How to Magic Around the World in a Snap! Evan Era travels around the world in less than a minute for this fun magic video! More than 10 international destinations all over the earth - London England • Paris France • Pisa Italy • Cairo Egypt • Beijing Chin
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
03:33 Popular
Meet the Dust Mites, Tiny Roommates That Feast On Your Skin | Deep Look

777 views / 1 likes - added 7 years ago

You may think that you've got the house to yourself, but chances are you have about 100 different types of animals living with you. Many of them are harmless, but a few can be dangerous in ways you wouldn't expect. New research explores exactly whom you s
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
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

1,452 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
01:57 Popular
NASA has found a planetary system with 7 Earth sized planets, all of which could have liquid water.

1,386 views / 6 likes - added 7 years ago

Seven Earth-sized planets have been observed by NASA's Spitzer Space Telescope around a tiny, nearby, ultra-cool dwarf star called TRAPPIST-1. Three of these planets are firmly in the habitable zone. Over 21 days, NASA's Spitzer Space Telescope measured t
Featured
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
03:38
Yellowjackets Roll Tiny Meatballs For The Babies | Deep Look

136 views / 0 likes - added 1 year ago

Why is that yellowjacket crashing your BBQ? Well, she wants what you're having: burgers, hot dogs, fish and turkey. But she doesn't eat them herself. Her nest's larvae need that protein to develop. So she carves up your dinner and makes teeny-tiny meatbal
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
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

834 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

844 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=
04:21
Since Mass Exists, Can There Be Negative Mass?

431 views / 0 likes - added 7 years ago

Media outlets claim researchers have created negative mass, but what they really created is negative 'effective' mass, which is a little different. Black Holes And Gravitational Waves Might Help Us Find Dark Matter - https://youtu.be/C68b9EGksuI Sign Up F
04:52
Once a Spawn a Time: Horseshoe Crabs Mob the Beach | Deep Look

178 views / 0 likes - added 2 years ago

Horseshoe crabs may look scary, but when it's springtime in Delaware Bay, millions of these arthropods show they're lovers, not fighters. They lay masses of blue-green eggs up on the shore. At just the right time, they pop and release the larvae within th
07:04 Popular
McDonald's: The Origins of a Fast Food Empire

996 views / 0 likes - added 7 years ago

Support us on Patreon to get early access to our future videos and to vote on which company we cover next: https://www.patreon.com/business_casual Join us at our subreddit and on social media: Reddit: https://reddit.com/r/businesscasual Facebook: https://
24:38
Did you know pigeons were used as a type of aerial surveillance? | Nightly News: Kids Edition

76 views / 0 likes - added 1 year ago

With recent news stories about aerial surveillance balloons, we explain what it all means and why countries might be keeping an eye on each other. Canines for kids! Instead of medicine, this team of pups are prescribing a dose of comfort to kids in Georgi
05:57 Popular
Phrases and clauses | Syntax | Khan Academy

1,523 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
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
05:06
Whale Fall Actively Devoured by Scavengers at Davidson Seamount | Nautilus Live

464 views / 3 likes - added 4 years ago

During the final dive of this year’s Nautilus expedition season, our team discovered a whale fall while exploring Davidson Seamount off central California’s coast with researchers from Monterey Bay National Marine Sanctuary. The skeletal remai
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
12:51
Big Data Problems: Crash Course Statistics #39

423 views / 0 likes - added 4 years ago

There is a lot of excitement around the field of Big Data, but today we want to take a moment to look at some of the problems it creates. From questions of bias and transparency to privacy and security concerns, there is still a lot to be done to manage t
27:08
Who made these circles in the Sahara?

188 views / 0 likes - added 2 years ago

Someone left these marks in the sand. We had to find out who.Subscribe and turn on notifications so you don't miss any videos: http://goo.gl/0bsAjO Deep in the Sahara, far from any towns, roads, or other signs of life, is a row of markings in the sand. Th
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
03:01
Could Poop Power Our Cars?

690 views / 1 likes - added 6 years ago

Is brown the new green? UCLA researchers are using waste matter (yes, including poop) to make a new generation of advanced biofuels. Subscribe! http://bit.ly/1fUWHyY The Climate Change Facts You Need to Know: https://youtu.be/6SRMiMb1xgI The U.S. alone an
07:14 Popular
Calculating internal energy and work example | Chemistry | Khan Academy

1,095 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-
04:27
The Race to the Moons South Pole Is On, But Who Will Get There First?

370 views / 0 likes - added 5 years ago

Indian Space Agency, Blue Origin, and NASA are just three of the teams preparing for missions to the moon's South Pole. But who will get there first?Thumbnail Credit: NASAHow Close Are We to Building a Moon Base? - https://youtu.be/O7JtOokh4PU Read More:
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/
04:22 Popular
Ratios, Rates, And Proportions — Harder Example | Math | New SAT | Khan Academy

938 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

1,148 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
03:27 Popular
Key Features Of Graphs — Harder Example | Math | New SAT | Khan Academy

749 views / 0 likes - added 8 years ago

Watch Sal work through a harder Key features of graphs 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-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT
03:22 Popular
Key Features Of Graphs — Basic Example | Math | New SAT | Khan Academy

1,106 views / 0 likes - added 8 years ago

Watch Sal work through a basic Key features of graphs 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-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT M
04:00 Popular
Data Collection And Conclusions — Basic Example | Math | New SAT | Khan Academy

2,504 views / 0 likes - added 8 years ago

Watch Sal work through a basic Data collections and conclusions 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-q10-harder?utm_source=YT&utm_medium=Desc&utm_campai
05:34
A riddle of ice and fire dragons - Henri Picciotto

243 views / 0 likes - added 2 years ago

Practice more problem-solving at https://brilliant.org/TedEd--Its your first day as Center Realms official cartographer, and youve already got a big problem. Center Realm is home to three elder dragons: two ice, one fire, and theyve lived in harmony for c
Ghostly critters from the deep sea: Stygiomedusa gigantea

132 views / 0 likes - added 2 years ago

Stygiomedusa gigantea is one of the largest invertebrate predators known in the ocean, yet little is understood about its ecology and behavior. Stygiomedusa lacks tentacles, but has four extraordinarily large oral arms that are presumably used to envelope
02:16 Popular
Center, Spread, And Shape Of Distributions — Harder Example | Math | New SAT | Khan Academy

1,345 views / 0 likes - added 8 years ago

Watch Sal work through a harder Center, spread, and shape of distributions 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-q10-easier?utm_source=YT&utm_medium=Desc
04:37
Firebrats and Silverfish Are Rocking Some Old-School Looks | Deep Look

199 views / 1 likes - added 2 years ago

What *is* that bizarre fishlike thing squirming in your sink at night? Firebrats and silverfish are pretty darn similar to some of the earliest insects on Earth. With three long filaments poking out their back, no wings and mini-me babies, they have somet
03:59 Popular
Meet the Comma | Punctuation | Grammar | Khan Academy

911 views / 1 likes - added 6 years ago

David and Paige introduce you to the superhero of the punctuation world: the comma! Practice this yourself on Khan Academy right now: . Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/
03:00 Popular
Commas in dialogue | Punctuation | Grammar | Khan Academy

1,170 views / 1 likes - added 6 years ago

“Today we’re going to talk about using commas in dialogue,” said David and Paige, KA’s resident grammarians. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/commas-in-dialogue?utm_so
10:01
Markus Eder's The Ultimate Run - The Most Insane Ski Run Ever Imagined

219 views / 0 likes - added 2 years ago

Watch the exclusive behind the scenes on Red Bull TV https://www.redbull.com/int-en/episodes/the-ultimate-run-s1-e2 “Sometimes my mind goes kind of crazy about skiing and I ask myself, what if...?” - Markus Eder What if you could link every po
04:47
Who versus whom | The parts of speech | Grammar | Khan Academy

597 views / 0 likes - added 6 years ago

When do you use who, and when do you use whom? David, KA's grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/relative-pronouns?utm_source=YT&utm_medium=Desc&u
03:00
Appositives | Punctuation | Grammar | Khan Academy

632 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, cover appositives and how to use commas along with them. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/appositives?utm_source=YT&utm_med
03:15
Personal pronouns | The parts of speech | Grammar | Khan Academy

654 views / 0 likes - added 6 years ago

Let's meet the personal pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/meet-the-personal-pronoun?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Watch the next less
03:12 Popular
Correlative conjunctions | The parts of speech | Grammar | Khan Academy

1,015 views / 0 likes - added 6 years ago

Correlative conjunctions work in pairs to connect parts of sentences. David teaches you how they do it! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/correlative-conjuntions?u
05:27 Popular
Subordinating conjunctions | The parts of speech | Grammar | Khan Academy

1,247 views / 0 likes - added 6 years ago

Subordinating conjunctions join two parts of complex sentences––independent clauses to dependent clauses. David explains how. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/coo
02:51
The Biggest Organism On Earth

700 views / 0 likes - added 8 years ago

Thanks to ScienceAlert for support - http://www.facebook.com/sciencealert And thanks to the following Subbable supporters; they make MinuteEarth a reality! Mike Ledermueller David Smith @JGregory808 - http://jgregory808.tumblr.com/ Myndert Papenhuyzen @WY
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03:14 Popular
There Is No American Cuisine, But There Could Be

755 views / 0 likes - added 8 years ago

Dan Barber explains how national cuisines tend to be defined by historical precedent influenced by agricultural limitations. As the United States is a young country with rich soil, its own quintessential cuisine never developed. Barber's latest book is "T
01:51
Punctuating a list | Punctuation | Grammar | Khan Academy

584 views / 0 likes - added 6 years ago

Learn how to use commas to punctuate a written list of people, things, actions, or events. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/punctuating-lists?utm_source=YT&utm_medium=
07:18 Popular
Origins Of Algebra | Introduction To Algebra | Algebra I | Khan Academy

1,208 views / 0 likes - added 8 years ago

Where did the word "Algebra" and its underlying ideas come from? Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/abstract-ness?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Algebra I on Kha
02:53 Popular
The truly irregular verbs | The parts of speech | Grammar | Khan Academy

1,034 views / 0 likes - added 6 years ago

Some irregular verbs just won't be categorized. They don't fit into neat little boxes. These are those verbs. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/intro-to-irregular
05:53
Comparing Q vs K example | Chemical equilibrium | Chemistry | Khan Academy

589 views / 0 likes - added 6 years ago

A worked example using reaction quotient Q to predict how concentrations will shift so the reaction can get to equilibrium. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/acids-and-bases/v/arrhenius-definition-o
05:03 Popular
Indefinite Pronouns | The parts of speech | Grammar | Khan Academy

1,134 views / 0 likes - added 6 years ago

David, Khan Academy's Grammar Fellow, covers three nifty features of indefinite pronouns, which are pronouns that are just a little vague, y'know? Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspee
04:34
This Map Shows Where American Accents Come From

675 views / 0 likes - added 5 years ago

When you're traveling to another part of the US than you're originally from, it might be surprising to hear how different the locals sound. For instance, a New Yorker will likely speak the same English language in a completely different accent from a nati
02:54 Popular
Helping verbs | The parts of speech | Grammar | Khan Academy

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

We've established that verbs can show actions and link ideas together. Now, let's talk about how some verbs can be used to help other verbs. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/gra
20:03
Super Mario comes to life at Universal Studios Super Nintendo World! | Nightly News: Kids Edition

221 views / 0 likes - added 1 year ago

This week marks one year since Russia invaded Ukraine. We explain this serious story, and talk to a few kids who are living through the war about what everyday life looks like for them. As Black History Month comes to an end, we honor Bessie Coleman, the
08:13 Popular
The Most AMAZING Lego Machines

1,205 views / 1 likes - added 5 years ago

Lego isn't just for kids. Its versatility has been exploited by innovating programmers to create more advanced models and machines. Combining average plastic Lego bricks with other forms of Lego, such as Lego Pneumatic, Lego Technic and the programmable r
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02:11
Perfect progressive aspect | The parts of speech | Grammar | Khan Academy

539 views / 0 likes - added 6 years ago

We use the perfect progressive aspect to talk about an action that was once ongoing, but has since completed, like "I had been waiting for twenty minutes." Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/pa
02:55 Popular
Emphatic pronouns | The parts of speech | Grammar | Khan Academy

893 views / 0 likes - added 6 years ago

Sometimes we use reflexive pronouns like "myself" and "ourselves" for emphasis in a sentence, like, "If you won't help me, then I'll do it myself!" KA's Grammar Fellow, David, explains this usage. Practice this yourself on Khan Academy right now: https://
05:27 Popular
Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy

1,285 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/World-of-exponents/v/exponents-warmup?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/pre-algebra/app
02:00 Popular
What is a pronoun? | The parts of speech | Grammar | Khan Academy

1,078 views / 0 likes - added 6 years ago

Pronouns are words that can replace nouns, like the way "it" replaces "elephant" in "I looked at the elephant. It was grey." Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/the-q

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