Watch Video Segments (97)
S47 E5: An American Cancer Patient Receives Treatment in Cuba
How Coronavirus Tests Work
S47 E4: How Sleep Helps Children Learn and Remember New Words
S47 E4: Can Sleep Quality and Quantity be Boosted Using Sound?
What We Know and Don’t Know about the Coronavirus
S47 E1: How Humans Could Make Icehouse Earth into a Hothouse
S47 E3: Are Cats As Easy to Train as Dogs?
S47 E2: Can Bones Reveal How Dogs Evolved from Wolves?
S47 E1: How Climate Has Shifted Over Millions of Years
S47 E3: Are Cats More Expressive Than We Think?
S47 E1: This Canadian Cave Has Been Frozen Since the Last Ice Age
S47 E2: Do Dogs Love Us or do They Just Want Treats?
S47 E1: How Earth’s Climate Changed Over the Past 500 Million Years
S47 E1: This Alaska Community is Losing Sea Ice to Climate Change
S47 E1: What’s Causing Greenland’s Biggest Glacier to Melt?
S47 E1: A Bird's-Eye View of Carbon Emissions
S47 E1: How Carbon Dioxide Warms Planet Earth
S47 E1: Fifty Million Years Ago, the Arctic Was a Warm Swamp
S47 E1: What did the East Coast Look Like 3 Million Years Ago?
S47 E1: Why Trees Are Living Climate Records
S47 E1: Plant Fossils Hint at Arctic's Swampy Past