Extras
Sir Arthur C. Clarke's Vision of the Computer-Dominated Future
Watch this interview with Sir Arthur C. Clarke for The Mind Machine (1978.)
Sir Arthur C. Clarke's Vision of the Computer-Dominated Future
How Medieval Armorers Made Knights Bulletproof
Knights and firearms clashed on the battlefield for over 200 years.
How Medieval Armorers Made Knights Bulletproof
This Powerful Psychedelic May Help Treat Opioid Addiction
In recent decades, there's been renewed interest in studying ibogaine.
This Powerful Psychedelic May Help Treat Opioid Addiction
Can Technology Detect Deepfakes Better Than Humans Can?
AI-generated photos are video are getting so good that it’s hard for humans to tell what’s real.
Can Technology Detect Deepfakes Better Than Humans Can?
What Happened to the Hole in the Ozone Layer?
In the 1980s scientists discovered a crucial part of the Earth’s atmosphere was extremely thin.
What Happened to the Hole in the Ozone Layer?
A Hidden Cause of Sinkholes Is Lurking Underground
About 40% of the U.S. is susceptible to sinkholes.
A Hidden Cause of Sinkholes Is Lurking Underground
What Dating Apps Know About You
You might be collecting matches, but dating apps are collecting your data.
What Dating Apps Know About You
These cheeses are at risk of going extinct
The culprit is a lack of microbial biodiversity in the mold used to make iconic French cheeses.
These cheeses are at risk of going extinct
First ape ever seen using medicinal plant to treat wound
After this orangutan sustained a gnarly facial wound, he did something kind of human-like.
First ape ever seen using medicinal plant to treat wound
Total Eclipse in the Heart of Texas Hill Country
People from all over the country converge on a small Texas town to see a total solar eclipse.
Total Eclipse in the Heart of Texas Hill Country
New map of the universe hints that dark energy may be evolving
Dark energy fundamentally shapes our universe and what astronomers know about it might be wrong.
New map of the universe hints that dark energy may be evolving
Are winters getting less snowy?
It’s not just your imagination, winters across the U.S. are changing.
Are winters getting less snowy?
How America watched the solar eclipse
Millions witnessed the Moon cover the Sun on April 8, some viewers sent us their videos.
How America watched the solar eclipse
How to watch the eclipse without burning your eyes
A total solar eclipse is coming. If you want to check it out, you need eye protection.
How to watch the eclipse without burning your eyes
Rare stellar explosion will ignite a "new star"
Sometime between now and September a star will explode.
Rare stellar explosion will ignite a "new star"
The force that makes up more than half of the universe
Dark Energy was first discovered in 1998, and scientists don’t fully understand it.
The force that makes up more than half of the universe
How parrots swing like monkeys
Like monkeys, parrots are also able to travel by suspending their body weight.
How parrots swing like monkeys
Building Stuff: Boost It! Preview
Is engineering humanity’s superpower? See how we can amplify our natural abilities in amazing ways.
Building Stuff: Boost It! Preview
Decoding the Universe: Quantum Preview
Dive into the universe at the tiniest – and weirdest – of scales.
Decoding the Universe: Quantum Preview
Solar System: Wandering Worlds Preview
Meet the surprising, oddball worlds moving around our solar system.
Solar System: Wandering Worlds Preview
As comets cross the invisible boundary known as the ice line, their ice starts turning into gas.
Why Do Comets Have Tails?
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