• 9.1
  • : 1974
  • : 926
  • : 293


Polar Extremes
05, 2020
In this two-hour special, renowned paleontologist Kirk Johnson takes us on an epic adventure through time at the polar extremes of our planet. Following a trail of strange fossils found .. show full overview
Dog Tales
12, 2020
Dogs have long been dependable companions by our sides. But it wasn’t always that way, and a look at their closest living relative, the wolf, makes it clear why. Research into dog .. show full overview
Cat Tales
19, 2020
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 our most mysterious companions?
Mysteries of Sleep
26, 2020
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 .. show full overview
Cuba's Cancer Hope
01, 2020
Cuban scientists develop their own biotech industry, including lung cancer vaccines that may give new hope to patients around the world.
The Truth About Fat
08, 2020
The mysteries of fat and its role in hormone production, hunger and pregnancy.
Blood Sugar Rising: America's Hidden Diabetes Epidemic
15, 2020
Blood Sugar Rising follows the diabetes epidemic in the U.S. Diabetes and pre-diabetes affect over 100 million people in the US, costing more than $325 billion each year. Blood Sugar .. show full overview
Decoding COVID-19
13, 2020
The coronavirus SARS-CoV-2 has upended life as we know it in a matter of mere months. But at the same time, an unprecedented global effort to understand and contain the virus—and find a .. show full overview
Eagle Power
20, 2020
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 .. show full overview