Treated Cancer Cells
These cancer cells have been treated with discodermolide, a chemical obtained from...
Dr. Mahmood Shivji
Dr. Mahmood Shivji of the Guy Harvey Research Institute and Save Our Seas Shark...
Fossil tooth spiral
This fossil tooth whorl of the ancient shark Helicoprion, dates back 290 million...
Studying Giant Squid
Smithsonian Zoologist Dr. Clyde Roper (rear) and museum specialist Mike Sweeney...
Dr. Clyde Roper prepares to dive thousands of feet to a giant squid habitat off the...
Students explore the natural history of sharks and recognize that humans are an...
Mon, 11/30/2009 - 13:18