great white sharks Watch this teen's drone footage of a great white shark casually swimming around unwitting people David Pescovitz
swimming pools There is no chemical that will turn pool water a different color if you pee in it David Pescovitz
pools Wild design for incredible infinity pool that takes up entire roof of skyscraper David Pescovitz
causes This man is swimming across the Pacific Ocean to raise awareness about plastic pollution Séamus Bellamy
Diana Nyad How dangerous is it to swim from Cuba to Florida without a protective shark cage? Maggie Koerth