Up Next
Back to Show
NOVA
Is the Human Brain Actually Two Minds?
The two hemispheres of the brain communicate via a bundle of fibers called the corpus callosum. For some people with epilepsy, seizures can quickly spread to the other through this region. But if that bridge is surgically severed, a seizure can no longer cross.
Support Provided By
53:38
Explore mammals’ surprising origins, long before the age of dinosaurs.
53:39
Do speech buttons really allow dogs to talk to us? Scientists investigate.
53:39
New evidence sheds light on the remarkable life—and mysterious collapse—of the ancient jungle city.
53:31
What if violent asteroid impacts actually jump-started life on Earth? Explore a dramatic theory.
Unlock with PBS Passport
53:41
See how ingenuity and teamwork keep the crew alive and doing science 250 miles above Earth.
Unlock with PBS Passport
53:40
Astronauts and Mission Control relive terrifying moments during construction of the ISS.
53:28
Find out why deadly flash floods are on the rise and how we can protect ourselves from them.
53:21
Explore mysterious 9,000-year-old Stone Age megastructures found in the Arabian Desert.
Unlock with PBS Passport
53:32
Discover how two revolutionary ancient inventions changed the course of humanity forever.
Unlock with PBS Passport
53:25
Follow ancient humans’ journey into an icy and perilous new land.
Unlock with PBS Passport
53:27
Discover how Homo sapiens outlasted Neanderthals – and how they helped make us who we are today.
Unlock with PBS Passport
53:25
Follow Homo sapiens as they venture out of Africa and spread farther than any other human species.