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Who created the Nazca lines and why? New clues to one of the greatest ancient enigmas.

A team tackles the restoration of iconic Notre Dame Cathedral.

Ancient footprints provide new evidence of humans and extinct giant beasts of the Ice Age.

Striking new fossils paint a picture of life right before the asteroid impact.

Sir David Attenborough explores a site with traces of ancient mammoths and Neanderthals.

Could the source of the deadliest viruses hold the secret to a healthier and longer life?

As we excavate a 500-year-old wreck, learn the secrets behind history’s great ships.

Can skyscrapers be made safer, more efficient, and livable in our rapidly growing cities?

Will electric planes replace polluting airliners and lead to flying taxis in our cities?

NASA launches its most ambitious search yet for traces of ancient life on Mars.

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