How some lizards breathe underwater

Snout bubbles let anoles stay submerged in streams for up to about 20 minutes

an anole lizard

Bubbles of air on the snouts of some anole lizards in Costa Rica (one shown) allow the reptiles to breathe underwater for long stretches, a new study finds.

Lindsey Swierk

Some anole lizards have a newfound superpower: They can breathe underwater by trapping air in a bubble on their snouts.