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How Did Humans Evolve? Crash Course Biology #19

AdultsHealthHumanScienceBiologyEvolution
What’s a human? And how did we become humans, anyway?
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How Do Polar Bears Walk On Ice?

YouthAnimalsEcologyNatureScience
Are you wondering how polar bears walk on ice and snow? Let's find out together.
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Elmo Learns About Science

KidsScienceTechnologyEducation
Elmo learns all about the different jobs that scientist do! They can study space, bugs, rocks, and more!
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I kissed nuclear waste to prove a point.

AdultsHealthHistoryHumanScienceEnergyEnvironment
The shadows of Chernobyl and Fukushima loom large over the topic of nuclear energy, fueling fears often unaligned with reality.
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Eclipses Used To Be Terrifying

YouthHistoryScienceWorld
Because eclipses are powerful and frightening events, ancient cultures went to great lengths to understand eclipses.
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You Went Through Puberty as a Baby

AdultsHealthHumanSciencePsychologyLife
We all remember the woes and trials of our adolescence.
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The Ice Bucket Challenge Actually Worked

YouthGeneticsHealthScienceWorldCharity
The Ice Bucket Challenge raised millions of dollars for research into treatments for ALS, or Lou Gehrig's disease.
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Where The Weird Things Are

AdultsAnimalsLifeNatureScienceEducation
We made this video in partnership with the Bik Lab at University of Georgia and the National Science Foundation.
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Rescuing Nibi

YouthAnimalsHealthScience
Baby beaver Nibi was rescued and now has uncanny object recognition.
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4.5 Billion Years in 1 Hour

AdultsEducationHistoryScience
Earth is 4.5 billion years old - which is approximately the same amount of time it took us to create this video.
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Animated Maps: The Five Deeps

YouthHistoryWorldScience
In this animated map, we highlight the deepest spots in the briny deep that surrounds us.
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Monitoring Methane From Space

YouthEnvironmentGlobal WarmingSpaceTechnologyScience
Satellites have a really important role to play in reducing greenhouse gas emissions.
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The Problem With Science Communication

AdultsEducationReadingScience
Holographic wormhole, via Nature:
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Solar Eclipse

YouthScienceWorldSpaceEnvironment
Isabelle MacNeil breaks down what happens in space during a solar eclipse, and why it can be unsafe to look at it without the proper eye protection.
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New UFO "Evidence" vs. SCIENCE

AdultsCultureMediaPoliticsScienceSpace
Are we alone? Have aliens visited Earth? An age-old question that has been reignited by recent declassified UFO/UAP footage and intriguing ‘whistleblower’ congressional hearings.
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How Does A Tiger Go To The Dentist?

YouthAnimalsHealthScience
We went to visit Elton, a tiger at Woburn Safari Park, to see him get a check-up from a pretty special dentist.
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Meet The Marsupials

KidsAnimalsEcologyScienceNatureEducation
Squeaks wants to know more about marsupials, so Jessi introduces him to a special friend: Pinto the opossum.
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Eclipses Used To Be Terrifying

AdultsLifeScienceAstronomy
Because eclipses are powerful and frightening events, ancient cultures went to great lengths to understand eclipses, leading to remarkably accurate predictions and helping invent the science of astronomy.
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How To Draw: Pterodactyl

KidsAnimalsArtHow-toScience
Learn how to make your own pterodactyl drawing with basic lines.
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Why Korea is Dying Out

AdultsHistoryHumanScienceSocietyPolitics
Every two years one million Japanese disappear, China’s population will halve by the end of the century, the median age in Italy has reached 48. All around the world birth rates are crashing – Is humanity dying out? What is going on and how bad is it?
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Necrobotics

YouthScienceTechnologyEngineering
At Rice University in Houston, Texas, mechanical engineers have created dead spider robots!