Ice divers use a quadrat to study the density of creatures living on the underside...
Diving Beneath the Ice
The world beneath the Arctic ice is magical, but cold. Divers have to tolerate...
TOPP cartoon of Omoo
Omoo, a Great White Shark (Carcharodon carcharias), carries a satellite tag that...
Underwater Parks in 3-D
As I readied myself and my camera for a dive in Yellowstone Lake, the largest body...