Season 44
Watch as birds solve puzzles and challenge our basic notions of intelligence.
Ideastream Passport
This video is currently available with Ideastream Passport.
Bird Brain
Scientists uncover geologic evidence of epic floods that tore through ancient landscapes.
Ideastream Passport
This video is currently available with Ideastream Passport.
Killer Floods
Experts reconstruct the Great Hurricane of 1780 to help predict the risk of future storms.
Ideastream Passport
This video is currently available with Ideastream Passport.
Killer Hurricanes
Scientists hunt for a mega-eruption that plunged medieval Earth into a deep freeze.
Ideastream Passport
This video is currently available with Ideastream Passport.
Killer Volcanoes
How has China’s magnificent Forbidden City withstood centuries of earthquakes?
Ideastream Passport
This video is currently available with Ideastream Passport.
Secrets of the Forbidden City
A team of experts rebuild an ancient battle chariot to help uncover its design secrets.
Ideastream Passport
This video is currently available with Ideastream Passport.
Chinese Chariot Revealed
Engineers race to build a massive dome to contain the crumbling remains of the reactor.
Ideastream Passport
This video is currently available with Ideastream Passport.
Building Chernobyl's MegaTomb
Join pioneering shipbuilders as they embark on a feat of maritime engineering.
Ideastream Passport
This video is currently available with Ideastream Passport.