As temperatures rise, the siren sound of the swimming pool amplifies. While chemicals like chlorine and bromine do their darndest to kill off bacteria and viruses, some germs stay afloat. Enjoy your ...

A growing number of pool owners, both private and public, blame the chlorine in the pool—and are trying so-called saltwater pools and other new technologies that promise disinfection with fewer ...

From tropical parasites to bacterial pathogens, here's what else might be swimming in the water. It might just serve as a way to pass a rainy afternoon, but swimming may be one of humans' oldest ...