Scuba diving is the use of independent breathing equipment to stay underwater for long periods of time... academickids.com/encyclopedia/index.php/Scu... ScubaWorld Online
ScubaWorld Online is dedicated to providing Scuba enthusiasts with the most comprehensive diving resource on the web. scubaworld.com/ JScuba - On-line magazine geared toward the recreational diver
Scuba on-line magazine geared toward the recreational diver jscuba.com/ Scuba Diving Explained - Lawrence Martin, M.D.
A comprehensive book on scuba diving. mtsinai.org/pulmonary/books/scuba/welco... ScubaDuba -- Home Page
ScubaDuba maintains an indexed and annotated directory of scuba-related internet resources. It also features a dive buddy directory, photo gallery, classified ads, active bulletin board system, chat rooms and lots more. scubaduba.com/ PADI
PADI Online: The way the world learns to dive. padi.com Doc's Diving Medicine Home Page
Original articles, ongoing research and useful links related to Diving and Undersea Medicine from the University of Washington and Dr Edmond Kay weber.u.washington.edu/~ekay/