The sliding glass door leading to Natasha Lim’s backyard pool has a lock and an alarm. A fence around the pool also has a lock, plus a bungee cord to thwart curious fingers.

During roasting-hot summer days, more and more people make their way to swimming pools, lakes, rivers and other spots where ...

Taking swimming lessons is common at a young age. Ages three and up will crowd pool facilities for half-hour lessons to learn the fundamentals of the sport. Fun gimmicks and mnemonic devices are ...