Most spas have names that conjure up an atmosphere of bliss and tranquillity. So I am a little taken aback by the sign outside the spa in the orange groves of northern Israel. It reads, ADA BARAK'S CARNIVOROUS PLANT FARM. Barak makes most of her income by showing off her plants, which eat everything from insects and reptiles to small mammals and schnitzel. She started grabbing one of the little snakes slithering in and out of the hungry plants' jaws ...

Floridians are generally not flummoxed by the variety of reptile species invading their state. Even when pythons started turning up on the peninsula in large numbers a few years ago, most residents laughed off the huge, not-native snakes as yet another imported nuisance, little worse than some condo developers. But that nonchalance vanished in a heartbeat last week when 2-year-old Shaiunna Hare was strangled to death in her crib by a 9-foot-long Burmese python kept as a pet, illegally, ...