natural history

Books
12:00 pm
Wed April 3, 2013

Simon Winchester: SKULLS

Chinese water deer, also known as the vampire deer.
Courtesy of Black Dog & Leventhal Publishers

Skulls are potent symbols of death, life and danger, and they also can tell a fascinating story about natural history. Ross Reynolds talks with writer Simon Winchester about his new book about skulls and a man that obsessively collects them.

Read more
Scientific History
1:49 pm
Thu February 7, 2013

Fresh Clues In Dinosaur Whodunit Point To Asteroid

Scientists have confirmed that the impact of a giant asteroid and the mass extinction of the dinosaurs happened at the same time.
Courtesy of Don Dixon/cosmographica.com

Originally published on Thu February 7, 2013 4:53 pm

Some 66 million years ago, about 75 percent of species on Earth disappeared. It wasn't just dinosaurs but most large mammals, fish, birds and plankton. Scientists have known this for a long time just from looking at the fossil record. If you dig deep enough, you find lots of dinosaur bones. And then a few layers up, they're gone.

But scientists couldn't figure out exactly what had caused this phenomenon. Of course, there were lots of theories.

Read more