Diver With Shark
Christian McDonald, the Scientific Diving Safety Officer at the Scripps Institution...
Fossil tooth spiral
This fossil tooth whorl of the ancient shark Helicoprion, dates back 290 million...
Two fossilized teeth from a megalodon (Carcharodon megalodon) dating back more than...
Giant Megatooth Model
A life-sized model suspended over visitors at the San Diego Natural History Museum...
Students analyze maps of shipping lanes and whale sightings to devise a new...
Tue, 11/24/2009 - 15:10