How some lizards breathe underwater

Some anole lizards have a newfound superpower: They can breathe underwater by trapping air in a bubble on their snouts. What’s more, these reptiles can stay submerged for nearly 20 minutes by rebreathing exhaled air in the bubble, a new study shows.

“As anyone who has encountered one of these lizards can tell you, they dive underwater when they feel threatened,” says evolutionary biologist Chris Boccia of Queen’s University in Kingston, Canada. But how the lizards stay underwater for so long had been a mystery until now.

Boccia was inspired to investigate by a story one of his professors told him when he was a student at the University of

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