Extras
Follow ancient humans鈥� journey into an icy and perilous new land.
Discover how two revolutionary ancient inventions changed the course of humanity forever.
Follow Homo sapiens as they venture out of Africa and spread farther than any other human species.
Trace the remarkable origin story of Homo sapiens and the crucial moments that shaped our species.
A massive earthquake along the Cascadia Subduction Zone could sink parts of the Pacific Northwest.
Crows remembered the face of a person they considered a threat鈥攅ven across generations.
Otzi, a 5,000-year-old mummy, has 61 tattoos arranged in 19 groups across his body.
The faster you move, the stranger time becomes.
In 1912, Albert Einstein had a revolutionary idea.
F贸siles gigantes en el Sahara revelan nuevos secretos sobre la evoluci贸n de las ballenas.