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Nova

Nova

PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA programs demystify science and technology and highlight the people involved in scientific pursuits.

Latest Episodes

WGBY 57/HD
Wed Apr 1st, 9:00pm
Thu Apr 2nd, 1:00am
Fri Apr 3rd, 5:00am
Sun Apr 5th, 1:00am
Sun Apr 5th, 2:00pm
WGBY World
Thu Apr 2nd, 7:00pm
Fri Apr 3rd, 12:00am
Fri Apr 3rd, 8:00am
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//player.pbs.org/partnerplayer/Nrlfv8zSEdU9xw23kJiU5A==/?topbar=false&end=0&endscreen=true&start=0&autoplay=false 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 Americans are defying the embargo and traveling to Cuba for treatment. In an unprecedented move, Cuban... /episodes/get/103330 /episode/103330 Cuba's Cancer Hope /episode-player/103330

Can Cuba's innovative lung cancer vaccines give new hope to patients across the world?

Air date:
Wed, 04/01/2020 - 04:45
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//player.pbs.org/partnerplayer/KC7aZaFTkhbSbQzGXtcGog==/?topbar=false&end=0&endscreen=true&start=0&autoplay=false 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 sleeping brain than ever before, discovering just how powerful sleep can be, playing a role in everything... /episodes/get/100783 /episode/100783 Mysteries of Sleep /episode-player/100783

Like virtually every other animal, humans need sleep to survive. But why? Scientists peer into the brain to see what happens while we snooze and understand the powerful role that sleep - or lack of it - plays in memory, trauma and emotion regulation.

Air date:
Wed, 02/26/2020 - 03:45
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//player.pbs.org/partnerplayer/tws7Wt377-eG25GE1Y0PbA==/?topbar=false&end=0&endscreen=true&start=0&autoplay=false 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? /episodes/get/100540 /episode/100540 Cat Tales /episode-player/100540

Worshiped 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?

Air date:
Wed, 02/19/2020 - 03:45
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//player.pbs.org/partnerplayer/mMXj-a-IJPTGuOWsCTy60Q==/?topbar=false&end=0&endscreen=true&start=0&autoplay=false 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 domestication and intelligence offers clues into the human-dog relationship. And analyzing dogs’ brain activity and... /episodes/get/100361 /episode/100361 Dog Tales /episode-player/100361

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. Researchers reveal how humans tamed fearsome canines over tens of thousands of years, and how modern dog intelligence and behaviors have made them indispensable companions.

Air date:
Wed, 02/12/2020 - 03:45
WGBY World
Mon Mar 30th, 12:00pm
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//player.pbs.org/partnerplayer/es16bMuYVbYZJgxN21i0VQ==/?topbar=false&end=0&endscreen=true&start=0&autoplay=false Following a trail of fossils found in all the wrong places–beech trees in Antarctica, redwoods and hippo-like mammals in the Arctic–NOVA uncovers the bizarre history of the poles, from miles-thick ice sheets to warm polar forests teeming with life. /episodes/get/100195 /episode/100195 Polar Extremes /episode-player/100195

Following a trail of fossils found in all the wrong places -- beech trees in Antarctica, redwoods and hippo-like mammals in the Arctic -- uncover the bizarre history of the poles, from miles-thick ice sheets to warm polar forests teeming with life.

Air date:
Wed, 02/05/2020 - 02:15
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//player.pbs.org/partnerplayer/xcBkMFdOSyU5g_ntsxrcDA==/?topbar=false&end=0&endscreen=true&start=0&autoplay=false Violence is all over the news. But some say we’re living in the most peaceful time in history. Journey through time and the human mind to investigate whether—and how—violence has declined. And witness how people are working to stop violence today. /episodes/get/97988 /episode/97988 The Violence Paradox /episode-player/97988

Is violence actually declining? If so, why? And can we build a more peaceful future?

Air date:
Wed, 11/20/2019 - 03:45
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