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What We Know and Don’t Know about the Coronavirus
Here’s what you need to know about the SARS-CoV-2 virus and the disease it causes, called COVID-19. UPDATE: Preliminary studies suggest the coronavirus spreads from people with no symptoms. A March 17 study shows the virus can remain viable in aerosols for 3 hours, on cardboard for up to 24 hours, and on plastic and stainless steel for 2 to 3 days.
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How did life bounce back after a cataclysmic extinction wiped out some 90% of all species?
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53:47
See how life made the leap to land, turning a barren landscape into a lush, green world.
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53:47
See how Earth transformed from a barren hellscape to a planet capable of sustaining life.
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Dive into the subconscious to see what’s really driving the decisions you make.
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Neuroscientists discover the tricks and shortcuts the brain takes to help us survive.
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Who created the Nazca lines and why? New clues to one of the greatest ancient enigmas.
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Ancient footprints provide new evidence of humans and extinct giant beasts of the Ice Age.