Why dinosaur footprints inspired paleontologist Martin Lockley

On November 25, paleontologist Martin Lockley passed at the age of 73. PopSci spoke with Lockley about his career studying dinosaur tracks and footprints earlier this year. 

Rows of razor-sharp teeth. Femur bones the size of telephone poles. The towering skeleton of an animal taller than a giraffe. The replicas of dinosaur bodies and giant fossils housed inside natural history museums around the world are usually our first exposure to the long-gone world of these extinct animals. Their sheer size draws people of all ages into the lost world of dinosaurs. However, for