1.9K views · 31 reactions | How did Earth give rise to humans? Find out on the latest episode of Ancient Earth from NOVA l PBS. With stunningly realistic animation, witness the asteroid strike that wiped out the dinosaurs, the spread of primates across the planet, and the geologic events that made our species; existence possible. Watch "Ancient Earth: Humans" tonight at 9/8c on PBS: https://to.pbs.org/46bAvkB | GBH | Facebook