Underwater Daredevils - divers compete to see who can go deepest on just one breath, and who can survive the yet-more-perilous ascent to air. From The Atlantic Monthly.
Visiboard - bodyboard with a unique armored-glass viewing panel to allow viewing the underwater world without needing a mask and snorkel.
Zen of Freediving - there is a growing movement in Palm Beach, Florida for the purity, the renaissance, the eco-bonding, and the intensity of freediving.