A Dangerous and Mysterious Prehistoric Predator

Guest: Nizar Ibrahim, paleontologist and National Geographic Explorer

The 50-foot-long spinosaurus was one of the most terrifying prehistoric creatures, but it didn’t roam the earth like the T. rex—it was actually lurking underwater.

Dinosaur Mummy

Guest: Caleb Brown, Curator, Dinosaur Systematics and Evolution, Royal Tyrrell Museum of Palaeontology, Alberta, Canada

In March 2011, a mechanical shovel operator accidentally stumbled on a mummified dinosaur.  It was so well preserved that the contents of its guts were still inside. We're getting better at finding amazing fossils, and that's partially thanks to hikers who find them.

The Montana Dueling-Dinosaurs Court Case

Guest: Peter Larson, President, Black Hills Institute of Geological Research

Two dinosaurs were fossilized, locked in combat, in the Montana wilds. The find instigated another battle that went all the way to the Montana Supreme Court, and threatened dinosaur discoveries everywhere. Tune in to hear who won.