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S47 E5: Cuba's Cancer HopeWhen the U.S. trade embargo left Cuba isolated from medical resources, Cuban ...When the U.S. trade embargo left Cuba isolated from medical resources, Cuban scientists were forced to get creative. Now they’ve developed lung cancer vaccines that show so much promise, some ... -
SIGN IN TO WATCHS47 E4: Mysteries of SleepFrom fruit flies to whales, virtually every animal sleeps. But why? Why do we ...From fruit flies to whales, virtually every animal sleeps. But why? Why do we need to spend nearly a third of our lives in such a defenseless state? Scientists are peering more deeply into the ... -
SIGN IN TO WATCHS47 E3: Cat TalesWorshipped as a goddess, condemned as satanic, and spun into a stunning array of ...Worshipped as a goddess, condemned as satanic, and spun into a stunning array of breeds, cats have long fascinated humans. But did we ever really domesticate them? And what can science tell us about ...
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S47 E5: An American Cancer Patient Receives Treatment in CubaIn 2015, doctors diagnosed George Keays with stage 4 lung cancer, which has low ...In 2015, doctors diagnosed George Keays with stage 4 lung cancer, which has low survival rates beyond one or two years. Can a vaccine in Cuba help him more than drugs available in the U.S.? -
How Coronavirus Tests WorkWhat goes on inside those test tubes to detect whether a person is positive for ...What goes on inside those test tubes to detect whether a person is positive for SARS-CoV-2, the virus that causes COVID-19? -
What We Know and Don’t Know about the CoronavirusHere’s what you need to know about the SARS-CoV-2 virus and the disease it ...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 ...
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PREVIEWS (245)
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S47 E7: Eagle Power PreviewEagles dominate the skies. But what makes these predators so special? ...Eagles dominate the skies. But what makes these predators so special? Researchers study one special bird—and stunning up-close footage reveals her exceptional strength, eyesight, and flying skills. ... -
S47 E6: The Truth About Fat PrologueScientists are coming to understand fat as a dynamic organ—one whose size may ...Scientists are coming to understand fat as a dynamic organ—one whose size may have more to do with biological processes than personal choices. Explore the mysteries of fat and its role in hormone ... -
S47 E5: Cuba's Cancer Hope PreviewWhen the U.S. trade embargo left Cuba isolated from medical resources, Cuban ...When the U.S. trade embargo left Cuba isolated from medical resources, Cuban scientists were forced to get creative. Now they’ve developed lung cancer vaccines that show so much promise, some ...
