Back to Show
NOVA
Deepfake Videos Are Getting Terrifyingly Real
Deepfakes are an increasingly popular editing technique that uses artificial intelligence to alter faces and voices in videos. Part of the name comes from the AI used to create them, deep learning. Similar technology has been used in Hollywood for years, but with AI getting better and more accessible, today they’re all over the internet.
Support Provided By

53:21
Intrepid paleontologists discover that dinosaurs thrived in the Arctic’s cold and dark.

Unlock with PBS Passport
53:28
Take a tasty look at insect foods that could benefit our health and our warming planet.

53:28
Join the hunt for the universe’s most common—yet most elusive and baffling—particle.

53:36
As state-legalized cannabis spreads, NOVA explores its little-known risks and benefits.

54:06
Scientists race to help corals adapt to warming oceans through assisted evolution.

53:46
NASA launches its most ambitious search yet for traces of ancient life on Mars.

53:32
Discover the fascinating chemistry that makes our world and everything in it—including us.

53:30
Discover the fascinating chemistry that makes our world and everything in it—including us.

53:31
Discover the fascinating chemistry that makes our world and everything in it—including us.

53:31
Scientists look to geoengineering and other methods to cool the planet.

Unlock with PBS Passport
1:33:41
We can now edit the human genome with a tool called CRISPR. But how far should we go?

53:21
Can bringing predators—and fear—back into an ecosystem help restore its natural balance?