Hammer Speaks

Bioengineer and research diver Kakani Katija takes you deep into the midwaters of the ocean—one of the least explored ecosystems on our planet—and shares how its inhabitants could lead to breakthroughs in bio-inspired design.

Shannon Wild has been charged by an elephant, bitten by snakes and lizards, and pinned by a cheetah, but her most difficult assignment may be filming a rare and elusive black panther in southern India.