PBS
Voting Systems and the Condorcet Paradox
What is the best voting system? Voting seems relatively straightforward, yet four of the most widely used voting systems can produce four completely different winners.
TED Talks
Magic Meets AI: Exploring Wonder Through Tech-Enhanced Tricks
Watch as magician David Kwong engages an audience with a demonstration involving ChatGPT, showcasing its ability to generate creative responses and make playful deductions based on input from a volunteer. He sets up scenarios where the...
TED Talks
TED: The difference between false empathy and true support | Chezare A. Warren
There's a right way and wrong way to do empathy, says author and scholar Chezare A. Warren. So how do we get it right? He unpacks the source of false empathy and explains the key shift in perspective we need to build healthy...
TED Talks
TED: Want to truly succeed? Lift others up while you climb | Amber Hikes
It's up to all of us to create a more inclusive and diverse workplace. No matter where you are in your career journey, it's essential that you help others grow, even as you are growing yourself, says ACLU Chief Equity Officer Amber...
SciShow
The 3 Species That Break Genetics
Scientists have discovered a group of three closely related flowers that seem to break the laws of genetics. These mountain beardtongues are pollinated by either bees or butterflies, but not both, and that's the key to an incredibly...
SciShow
The Solar System is Beige
Whether you grew up with a poster of the solar system on your bedroom wall or not, you've probably got a specific idea of what the planets look like. From brilliantly blue Neptune to the "red planet" Mars. But if you managed to actually...
SciShow
7 Ways Humans Change Color
We're all used to our bodies being more or less the color they always are. But there are a few different medical reason you may be seeing rainbow in the mirror, from benign to medically concerning. Here's just some of the reasons that...
MinutePhysics
How Do We Know The Universe Is Accelerating?
The universe is expanding – this we know from looking at red shifts of distant galaxies – but the acceleration of the universe's expansion is harder to measure. It requires measuring the change of recession velocity over time, and it's...
SciShow
What Color Was the Big Bang?
If you could survive a trip to the very first moments of reality as we know it, what color would you see?
SciShow Kids
Why Are These Frogs So Colorful? | SciShow Kids
Join Squeaks as he learns about some of the most colorful animals ever: poison dart frogs! Some animals are bright and colorful to warn other animals that they might be dangerous... and some are just copycats. First Grade Next Generation...
SciShow
How Do You Date a Star?
Figuring out the age of a blinking speck in the sky is a difficult feat, especially if considering how many types of stars there are. This is where a Hertzsprung-Russell meets a gyrochronologist.
SciShow
The Ocean’s Turning Green (That’s Bad)
Computer models of climate change have long predicted that the ocean would turn green as a result of warming. But the change can't be seen by the human eye, so scientists weren't sure how they'd measure this effect... until it turned out...
SciShow
Life on an 8-Hour Planet
Even if we find an earth-sized exoplanet, how can we be so sure that we're looking at earth 2.0? It might come down to how fast it's spinning.
PBS
The Dinosaur Who Was Buried at Sea
Paleontologists have been studying nodosaurs since the 1830s, but nobody had ever found a specimen like Borealopelta before. The key to its exceptional preservation was where it ended up after it died and how it got there.
Be Smart
In Search of the Blackest Thing on Earth
There are some startlingly black animals out there, whether they’re in the deep ocean or in the darkest corners of the rainforest. But humans have created some stunningly black substances too, using science and engineering. So who wins,...
Be Smart
How To See Colors That Aren't Real
What color is a banana? Duh, it’s yellow. But what is yellow? Now that you mention it, how do we see color in the first place? That’s the series of questions that led me to making this video. It started simple and took me down a rabbit...
SciShow
Salmon Can Turn on Night Vision. Why Can’t We?
Most of us can only see certain wavelengths of light our entire lives. So why can salmon switch on night vision? We'll learn how they can reshape their eyes to see into the infrared.
SciShow
Can Gray Hair Be Reversed?
Researchers have identified the processes that cause gray hair and have done experiments to reverse it. And believe it or not, we've had some of these options for decades.
SciShow
Why So Many Ladybugs Don't Look Like Ladybugs
Ladybugs are red with black spots, right? Well, not always. There's a lot of genetic and evolutionary reasons that they can be different colors with wacky patterns.
SciShow
The Sun Is Green
The Sun is green, actually. We'll go into why the blackbody effect means the Sun emits more green visible light than any other color, and why evolution and color perception mean it's ok to see it as yellow, anyway.
SciShow
The Unique Reason Reindeer Change Their Eye Color
Plenty of animal eyes "glow" in the dark, but only one species has eyes that change color with the seasons.
SciShow
Nature’s Secret Weapon Against Microbes: Squid Skin
There's a compound found in squid skin that they use to change color and protect their cells, but it could also help us fight some of the most common disease-causing microbes out there.