Official account for the PBS documentary series demystifying the science and tech that shape our lives, our planet, and our universe. Streaming on the PBS app.

Joined November 2008
6,826 Photos and videos
10 Apr 2025
The Revolutionary War was fought with top military technology of the day, from the Brown Bess musket to the world’s first combat submarine. See these weapons in action - and discover how they helped propel the Americans to victory 🧵⬇️ to.pbs.org/4i9IUuw
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10 Apr 2025
Made of iron, cannons were the most powerful weapon systems known at this time. A team of people worked to shoot one, propelling heavy iron balls into the battlefield in a blaze of fire and force. Learn more ➡️ bit.ly/4j7jL5b

ALT A cannons fires, spewing smoke and flame.

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10 Apr 2025
Want to learn more about these weapons? Watch “Revolutionary War Weapons,” streaming here ➡️ to.pbs.org/4i9IUuw
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26 Mar 2025
Scientists have discovered the building blocks of life in samples retrieved from a distant asteroid.
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26 Mar 2025
Take a look inside a fossilized pterosaur egg:
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25 Mar 2025
Watch baby eagles hatch and grow:
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25 Mar 2025
Birds are today's only living dinosaurs. Here's how they survived ➡️ youtube.com/watch?v=IyahxZw7…
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25 Mar 2025
"Most complex computers are still morons. High speed morons, but still morons." Watch this 1976 interview with sci-fi author Sir Arthur C. Clarke, who envisioned a computer-dominated future in the 70s:
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25 Mar 2025
Watch scientists extract a rare turtle fossil with liquid nitrogen:
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25 Mar 2025
This is how the infamous "Iceman" mummy died:
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25 Mar 2025
"Sleepwalking is a glitch in the system because our identity is not in control." Here's what happens in the brain:
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25 Mar 2025
Giant prehistoric fungi once ruled the Earth.
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25 Mar 2025
Yes, there's really a frozen exoplanet named Hoth.
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25 Mar 2025
The most baffling idea in physics, explained.
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25 Mar 2025
This ancient whale could walk on land. Here's what it looked like:
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