PBS
What Happens During a Quantum Jump?
Since the very beginning of quantum mechanics, a debate has raged about how to interpret its bizarre predictions. And at the heart and origin of that debate is the quantum jump or quantum leap - the seemingly miraculous and instantaneous...
PBS
100 Years of Relativity + Challenge Winners!
The results are in - on this weeks episode of Spacetime we reveal the answer to our Asteroid Challenge, as well as our T-shirt winners! Check out who saved the world!
PBS
Why Does Caffeine Exist?
Today, billions of people around the world start their day with caffeine. But how and why did the ability to produce this molecule independently evolve in multiple, distantly-related lineages of flowering plants, again and again?
PBS
When Ancient People Changed Their Own DNA
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PBS
The Triassic Reptile With "Two Faces"
Figuring out what this creature’s face actually looked like would take paleontologists years. But understanding this weird animal can help us shine a light on at least one way for ecosystems to bounce back from even the worst mass...
PBS
The Story of the Dino Stampede
To try to solve the puzzle of Lark Quarry, experts have turned to a special subfield of paleontology -- paleoichnology, or the study of trace fossils -- to reconstruct exactly what happened on that spot, on that day, nearly 100,000...
PBS
The Bear-Sized Beaver That Couldn’t Build A Dam
It’s important to us that you understand how big this beaver was. Just like modern beavers, it was semiaquatic -- it lived both on the land and in the water. The difference is that today’s beavers do a pretty special thing - one that the...
PBS
How To Survive the Little Ice Age
Nunalleq, a village in what’s today southwest Alaska, seemed to have thrived during the Little Ice Age. How did this village manage to survive and prosper during this time period? And what caused this period of climate change in the...
PBS
How Dinosaurs Coupled Up
Dinosaur mating behavior has been the subject of a lot of speculation, but what can we actually say about it from the fossil record?
PBS
Are We All Actually Archaea?
The unexpected discovery of an entirely new domain of life was pretty huge and surprising - even if archaea do just look like bacteria. But, in recent years, it’s been their connection to us that's turned out to be particularly full of...
PBS
How Vertebrates Got Teeth... And Lost Them Again
As revolutionary as teeth were, they would go on to disappear in some groups of vertebrates. But why?
PBS
Were These Monsters Inspired by Fossils? (w/ Monstrum!)
People have been discovering the traces and remains of prehistoric creatures for thousands of years. And they’ve also probably been telling stories about fantastic beasts since language became a thing. So, is it possible that the...
PBS
When the Earth Suddenly Stopped Warming
For decades, scientists have been studying the cause of the Younger Dryas, and trying to figure out if something like it could happen again. And it turns out that what caused this event is the subject of a heated debate.
PBS
Inside the African American studies class praised by some and fiercely opposed by others
The school year is coming to a close and with it, the first year of Advanced Placement African American studies, an interdisciplinary class by the College Board that has attracted praise from professors and also fierce opposition from...
TED-Ed
TED-Ed: Want to know if you're pregnant? Use this frog | Carly Anne York
In the early 20th century, pregnancy testing required a slippery piece of equipment: a female African clawed frog. For decades, hospitals and research labs had a trusted supply of these handy creatures, employing their help in testing...
TED Talks
TED: The first-ever cargo ship powered by green fuel | Morten Bo Christiansen
The shipping industry is vital to the global economy, but it's also a huge contributor to the climate crisis. Morten Bo Christiansen, a leader of the energy transition for the global shipping company A.P. Moller – Maersk, talks to TED's...
TED Talks
TED: The dream of digital ownership, powered by the metaverse | Yat Siu
Technologist Yat Siu believes the "open metaverse" -- a decentralized version of the internet also known as web3 -- is laying the foundation for a freer, fairer, more prosperous society. In a future-focused talk, he explores the...
TED Talks
TED: The magic of a creative career | Michael Sheen
The city of Port Talbot in South Wales is known for a few things: a steel mill, a proudly working class population and a passionate commitment to the arts that produced Hollywood superstars Richard Burton and Anthony Hopkins. In this...
TED Talks
TED: The beauty of building with mud and trash | Vinu Daniel
What if we could use waste to create resilient and sustainable buildings? Bringing out the beauty of the dirt beneath our feet, climate-responsive architect Vinu Daniel shares how he and his team are giving local and discarded materials...
TED Talks
TED: Why rivals are working together to transform shipping | Bo Cerup-Simonsen
What would it take to make global supply chains cleaner and greener? Bo Cerup-Simonsen -- who's helping decarbonize the maritime industry as CEO of the Mærsk Mc-Kinney Møller Center for Zero Carbon Shipping -- discusses why tenacious...
TED Talks
TED: Will superintelligent AI end the world? | Eliezer Yudkowsky
Decision theorist Eliezer Yudkowsky has a simple message: superintelligent AI could probably kill us all. So the question becomes: Is it possible to build powerful artificial minds that are obedient, even benevolent? In a fiery talk,...
SciShow
Why Astronauts Need Farm-to-Table
Growing food in space will be necessary to support the future of space exploration. And it won't be monoculture, either. Here's why astronauts will be growing whole ecosystems in space.
SciShow
Should We Put Wind Turbines on Kites?
The future of wind energy is solarpunk. At least according to some manufacturers who want to put wind turbines on kites, blimps, or just generally up in the air where wind can generate green energy and fight climate change more efficiently.
SciShow
The Return of Thalidomide
Thalidomide is the infamous drug at the heart of one of the world's worst drug safety catastrophes in modern medicine. And yet, more recent research is finding that thalidomide is still worth using, despite the risks. So what makes this...