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What are gravitational waves? - Amber L. Stuver

AdultsPhysicsScienceSpace
In September 2015, scientists witnessed something never seen before: two black holes colliding. Both about 30 times as big as our Sun, they had been orbiting each other for millions of years. A fraction of a second before the crash, they sent a vibration across the universe at the speed of light that was picked up by the LIGO detector. So what are these ripples in space? Amber L. Stuver explains.
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How Imaginary Numbers Were Invented

AdultsHistoryHumanScience...
A general solution to the cubic equation was long considered impossible, until we gave up the requirement that math reflect reality.
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What Dinosaurs ACTUALLY Looked Like?

AdultsHistoryLifeNature...
The past is a vast and mysterious land that begins at the big bang and ends in the present, expanding with each passing moment. It is the home of everything that came before, the key to understanding our present.
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Catching Criminals Using Their Relative's DNA

AdultsBiologyHumanScience...
Your genetic code is probably already in a database, without you ever giving a sample or permission.
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The Rain Shadow Effect

AdultsEnvironmentNatureWorld...
Here’s how mountains control the weather.
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You could have a secret twin (but not the way you think) - Kayla Mandel Sheets

AdultsBiologyHumanScience...
While searching for a kidney donor, Karen Keegan stumbled upon a mystery. After undergoing genetic testing, it turned out that some of her cells had a completely different set of genes from the others.
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How to Photograph the Night Sky | National Geographic

AdultsCreativityEducationHuman...
NASCAR driver and photography enthusiast, Bubba Wallace, and National Geographic Photographer Babak Tafreshi demonstrate how to take nighttime photos of the sky. Paid Content for Columbia.
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The Place Where Time Flows Backwards

AdultsEducationScienceSpace...
People all around the world tend to represent time via space, but there’s no consensus on which way time goes.
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This Virus Shouldn't Exist (But it Does)

AdultsBiologyEducationScience
Hidden in the microverse all around you, there is a merciless war being fought by the true rulers of this planet, microorganisms.
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How Distant Galaxies Mess With Our Lives

AdultsLifeScienceSpace...
Tiny particles from distant galaxies have caused plane accidents, election interference and game glitches. This video is sponsored by Brilliant.
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Can you outsmart the slippery slope fallacy? - Elizabeth Cox

AdultsEducationHumanScience...
Dig into the slippery slope fallacy, which assumes that one step will lead to a series of events that lead to an extreme— often bad— scenario.
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How the Kushites Took Over Egypt | Flooded Tombs of the Nile

AdultsHistoryHumanScience...
The Kushites and the Egyptians have a long history that is often forgotten about. Archeologist excavating a Kushite tomb discuss just how interconnected the two cultures were as they discover new artifacts within the tomb.
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The Largest Black Hole in the Universe - Size Comparison

AdultsEducationScienceSpace
The Black Hole story continues with our Black Hole merch, spanning the whole range from somewhat bonkers to more serious.
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The Simplest Math Problem No One Can Solve

AdultsEducationHistoryMath...
The Collatz Conjecture is the simplest math problem no one can solve — it is easy enough for almost anyone to understand but notoriously difficult to solve.
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Why You Should Want Driverless Cars On Roads Now

AdultsArtificial IntelligenceIndustryScience...
How close are we to having fully autonomous vehicles on the roads? Are they safe? In Chandler, Arizona a fleet of Waymo vehicles are already in operation. Waymo sponsored this video and provided access to their technology and personnel. Check out their safety report here:
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MinuteEarth Explains: How Did Whales Get So Big? | Book Trailer

AdultsAnimalsLifeNature...
It’s packed with the clever explanations, adorable illustrations, and quirky humor you love from MinuteEarth – all in hard-cover form! Explore science and fun facts about animals, plants, microbes and more from all over Earth (and beyond).
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Why These Bears “Waste” Food

AdultsAnimalsLifeNature...
Optimal foraging theory means that turning down food is sometimes more efficient than eating it - but even then, what’s “wasted” doesn’t necessarily go to waste.