Back to Show
NOVA
How Psychedelics Change the Brain
Psychedelics might interact with the brain by turning off the brain’s default mode network and affecting a thin sheet of gray matter called the claustrum. This could shake up communication between different regions of the brain.
Support Provided By
53:31
Discover the fascinating chemistry that makes our world and everything in it—including us.
53:21
Can bringing predators—and fear—back into an ecosystem help restore its natural balance?
1:52:46
Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.
53:30
Discover the science behind Leonardo da Vinci's masterpieces—and Mona Lisa's iconic smile.
53:15
Amazing fossils reveal how mammals took over after an asteroid wiped out the dinosaurs.
Unlock with PBS Passport
53:32
Discover why scientists and entrepreneurs alike have their sights set on the Moon again.
Unlock with PBS Passport
53:23
New archeological evidence shows the stunning engineering of the Great Pyramid of Giza.