Could one of the world's most glamorous scientific theories be wrong? Did a huge meteorite really finish off the dinosaurs? Horizon investigates. Narrated by Jack Fortune. Show more
Discover 11,128,835 listings and 278,120 playable programmes from the BBC
Could one of the world's most glamorous scientific theories be wrong? Did a huge meteorite really finish off the dinosaurs? Horizon investigates. Narrated by Jack Fortune. Show more