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The Great Inca Rebellion

Mass graves and forensic evidence reveal a complex truth about how the Inca Empire fell.
Saved by the Sun

Is it time to take solar energy seriously?
Marathon Challenge

Explore what it takes for novice runners to make it through a classic test of endurance.
Monster of the Milky Way

Does a supermassive black hole lurk at the center of our galaxy?
Kings of Camouflage

Meet the cuttlefish, one of the brainiest, most bizarre animals in the ocean.
Ancient Refuge in the Holy Land

Israel's remote Cave of Letters holds clues to a Jewish uprising against the Romans.
Origins: Where are the Aliens?

Journey back to the beginning of everything: the universe, Earth, and life itself.
Einstein's Big Idea

The story behind the world's most famous equation, e=mc2
Newton's Dark Secrets

Centuries old manuscripts reveal the hidden pursuits of a scientific genius.
Storm That Drowned a City

What led to the devastating floods that Hurricane Katrina unleashed on New Orleans?

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