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Building the Eiffel Tower Preview
Explore the revolutionary engineering behind Paris’s iconic landmark. Completed in 1889, the iron tower smashed the record for the tallest structure on Earth, ushering in a new age of global construction that reached for the skies.
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53:31
Who created the Nazca lines and why? New clues to one of the greatest ancient enigmas.
53:43
Ancient footprints provide new evidence of humans and extinct giant beasts of the Ice Age.
53:16
Sir David Attenborough explores a site with traces of ancient mammoths and Neanderthals.
53:30
In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate
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53:17
Intrepid paleontologists discover that dinosaurs thrived in the Arctic’s cold and dark.
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53:28
Take a tasty look at insect foods that could benefit our health and our warming planet.
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53:28
Join the hunt for the universe’s most common—yet most elusive and baffling—particle.
53:36
As state-legalized cannabis spreads, NOVA explores its little-known risks and benefits.
