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NOVA
Steffen's Plan
Steffen found boarding people in alternate rows, with window seats first, then the middle, then the aisle, cut down on boarding time by over 50 percent.
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See how Earth transformed from a barren hellscape to a planet capable of sustaining life.
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Who created the Nazca lines and why? New clues to one of the greatest ancient enigmas.
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Sir David Attenborough explores a site with traces of ancient mammoths and Neanderthals.
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In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate
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Intrepid paleontologists discover that dinosaurs thrived in the Arctic’s cold and dark.
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Take a tasty look at insect foods that could benefit our health and our warming planet.
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Join the hunt for the universe’s most common—yet most elusive and baffling—particle.