Seafloor Surveys After Katrina by NOAA Images
bassomatic says, "my dad and his team of underwater archaeologists were the first to find an ancient shipwreck using side-scan sonar..."
Scary stories and freaky facts about oxygen deprivation at altitude
How does a scuba diver smell shipwreck cheese underwater? And some other ancient foods, eaten in the name of science
AskMe offers some resources on cloudwatching for beginners
Moby Dick is fabulous - Mefites talk Melville and subtext, and what you thought of classic novels before you read them, and the linked writer drops by to respond
Submersible finds glowy purple orb in the depths
And finally, that pressing question, what if I fell out of an airplane in a tank full of water?