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What does this geological wonder reveal about North America’s deep history?
4:00
Cyber threats from nation states and lone hackers are a persistent threat to America’s cri
2:52
See key moments in NASA’s Pluto Flyby, as previewed in a 3-D simulation.
2:59
The universe's symmetry was shattered by a quantum fluctuation, allowing life to exist.
1:42
The universe’s smallest particles fly down from space and emit from a radioactive rod.
2:52
We asked scientists, “What are your favorite images from space?” Here’s what they said.
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The big island of Hawaii is shot through with an underground labyrinth carved out by lava.
3:30
A pilot transforms how airplanes fight during WWI, but nearly plummets and dies trying.
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Learn about the traits we most prize in dogs, and the bizarre jobs they were bred for.
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A city-wide competition shaped the career of the architect behind Florence’s famous dome.
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By studying bogs, scientists can uncover thousands of years of Earth’s history.
