"Our research shows that, at times, tiger sharks and thresher sharks don't swim randomly but swim to specific locations, " said research leader Yannis Papastamatiou from the Florida Museum of Natural History in Gainesville.

BBC: Sharks navigate using 'mental maps'

"I don't really swim, so I had never taken him to get acclimated to water, " says the 37-year-old office manager.

WSJ: See Spot Swim: Remedial Lessons Put Pooches in the Pool

Maria , because as I understand it you don't know how to swim.

MSN: What you sign away when you book a cruise

"I don't know how to swim, but somehow I made it to shore, " she recalled in a teleconference with reporters this week.

CNN: Honduran, US relations overcome deadly drug raid

To protect sea turtles, an endangered species, they want an import ban on shrimp caught in nets that don't have escape hatches to let the turtles swim away.

CNN: ASIANOW - TIME Asia | Business: Rage Against The Machine