PBS
Why Megalodon (Definitely) Went Extinct
For more than 10 million years, Megalodon was at the top of its game as the oceans' apex predator...until 2.6 million years ago, when it went extinct. So, what happened to the largest shark in history?
TED Talks
TED: The boiling river of the Amazon | Andres Ruzo
When Andres Ruzo was a young boy in Peru, his grandfather told him a story with an odd detail: There is a river, deep in the Amazon, which boils as if a fire burns below it. Twelve years later, after training as a geoscientist, he set...
TED Talks
Baratunde Thurston: How to deconstruct racism, one headline at a time
Baratunde Thurston explores the phenomenon of white Americans calling the police on black Americans who have committed the crimes of ... eating, walking or generally "living while black." In this profound, thought-provoking and often...
SciShow
What Did Dinosaurs Taste Like?
Have you ever wondered what dinosaur meat might have tasted like? Chances are you've eaten dinosaur more recently than you might expect.
SciShow
The Dress: Now with Peer-Reviewed Science!
Researchers have an idea about how your lifestyle affects the way you see the dress, and we've identified a new ancestor to the dinosaurs!
TED Talks
Eman Mohammed: The courage to tell a hidden story
Eman Mohammed is one of the few female photojournalists in the Gaza Strip. Though openly shunned by many of her male colleagues, she is given unprecedented access to areas denied to men. In this short, visual talk, the TED Fellow...
TED Talks
TED: Stand with Ukraine in the fight against evil | Garry Kasparov
Ukraine is on the front line of a war between freedom and tyranny, says chess grandmaster and human rights advocate Garry Kasparov. In this blistering call to action, he traces Vladimir Putin's rise to power and details his own path from...
SciShow
Why Are Pandas Black and White?
Their signature black and white color scheme is part of what makes pandas instantly recognizable - but not many mammals are black and white, so... why do they look like that?
TED Talks
Mellody Hobson: Color blind or color brave?
The subject of race can be very touchy. As finance executive Mellody Hobson says, it's a "conversational third rail." But, she says, that's exactly why we need to start talking about it. In this engaging, persuasive talk, Hobson makes...
SciShow
What Fruit Flies Taught Us About Human Biology
For creatures that look nothing like us, fruit flies have been able to teach us a lot about human biology as we’ve studied them over the past century.
TED Talks
Jedidah Isler: How I fell in love with quasars, blazars and our incredible universe
Jedidah Isler first fell in love with the night sky as a little girl. Now she's an astrophysicist who studies supermassive hyperactive black holes. In a charming talk, she takes us trillions of kilometers from Earth to introduce us to...
Crash Course
Compression: Crash Course Computer Science
So last episode we talked about some basic file formats, but what we didn’t talk about is compression. Often files are way too large to be easily stored on hard drives or transferred over the Internet - the solution, unsurprisingly, is...
TED Talks
Eugenia Cheng: An unexpected tool for understanding inequality: abstract math
How do we make sense of a world that doesn't? By looking in unexpected places, says mathematician Eugenia Cheng. She explains how applying concepts from abstract mathematics to daily life can lead us to a deeper understanding of things...
TED Talks
Nicholas Negroponte: One Laptop per Child
Nicholas Negroponte, founder of the MIT Media Laboratory, describes how the One Laptop Per Child project will build and distribute the "$100 laptop."
TED Talks
Crush Club: "My Man" / "Bohanna" / "We Dance"
Indie pop duo Crush Club and singer Nicki B bring their blend of funk, house and Latin styles to the TED stage, performing three songs: "My Man," "Bohanna" and "We Dance."
SciShow
Those Maddening Eyeball Floaters!
Sometimes our eyes do weird things. One of the things that it sometimes does is get floaters. What are they? Where do they come from? Join us today on SciShow as Hank explores the science behind these little specks.
Amoeba Sisters
Incomplete Dominance, Codominance, Polygenic Traits, and Epistasis!
Discover more types of non-Mendelian inheritance such as incomplete dominance and codominance with the Amoeba Sisters!
TED-Ed
TED-Ed: Can you solve the prisoner hat riddle? - Alex Gendler
You and nine other individuals have been captured by super-intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids eating highly logical and cooperative beings. Unfortunately, they're not...
TED Talks
Reniqua Allen: The story we tell about millennials -- and who we leave out
Millennials are now the largest, most diverse adult population in the US -- but far too often, they're reduced to the worn-out stereotype of lazy, entitled avocado toast lovers, says author Reniqua Allen. In this revealing talk, she...
TED Talks
James Flynn: Why our IQ levels are higher than our grandparents'
It's called the "Flynn effect" -- the fact that each generation scores higher on an IQ test than the generation before it. Are we actually getting smarter, or just thinking differently? In this fast-paced spin through the cognitive...
MinuteEarth
How two butterflies became one
Here's why you shouldn't judge a butterfly species by its wing coloration.
TED Talks
TED: The rigged test of leadership | Sophie Williams
The glass cliff: an experience of taking on a leadership role only to find that your chances of success have been limited before you've even begun. Equality activist Sophie Williams explores the research-backed reasons behind this...
SciShow
Introducing: SciShow Talk Show! Emily, Rhinos, and Cas the Arctic Fox
We decided it would be cool to have guests come into the studio and talk about science with Hank.