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2:50
Fifty-million years ago these rocks were trees and this Arctic tundra was a steamy swap.
6:39
You probably won’t win big playing the Lottery but your brain may want to keep trying.
3:00
Divers help turn the lionfish’s Atlantic invasion into a commercial opportunity.
3:13
They paid only $27.50 for it from a London bookseller in 1946.
4:30
Early morning sunlight is the key to setting our internal clocks.
6:57
Learn more about the ancient Nazca people and their ancestors, the Paracas.
5:36
In 1912, Albert Einstein had a revolutionary idea.
2:10
The faster you move, the stranger time becomes.
1:57
Crows remembered the face of a person they considered a threat—even across generations.
3:04
Otzi, a 5,000-year-old mummy, has 61 tattoos arranged in 19 groups across his body.
5:08
A massive earthquake along the Cascadia Subduction Zone could sink parts of the Pacific Northwest.
