Extras
See how secret letters written by Mary, Queen of Scots, were finally decoded.
Discover how two revolutionary ancient inventions changed the course of humanity forever.
An unprecedented discovery could reveal new information about Cleopatra鈥檚 reign.
Learn about Marlee Matlin, Oscar-winning actress and champion of the Deaf community.
Marlee Matlin visits the house she grew up in Morton Grove, Illinois.
Marlee Matlin refused to allow a hearing actor to play her Deaf husband in the 2021 film 鈥淐ODA.鈥�
Henry Winkler took Marlee Matlin in for two years while she recovered from a turbulent time.
A new generation of lions, cheetahs, and leopards comes of age in Botswana鈥檚 Okavango Delta.
Follow ancient humans鈥� journey into an icy and perilous new land.
Latest Episodes
Climate and weather are not the same thing.
How can something so necessary be so hard?
Maybe if you're not scared, you're not paying attention鈥�
Do you have complicated feelings about fossil fuels?
What can circles and squares from a 19th century novella tell us about Climate Change?
Say you鈥檙e looking to buy a car. How do you pick the best car for the planet?
Talking about climate change is hard. Not talking about climate change is easy.
How To Make Clothes Less Terrible for the Planet
For eons, life survived on Earth because natural processes kept CO2 levels within limits.
Fossil fuel companies are being taken to court just like tobacco companies were.