Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In a Costa Rican ...

The bubbles the anole lizards use may act as a "physical gill" that can pull oxygen from the water while accumulated carbon dioxide escapes into the water over the surface of the bubble in a process ...

Almost every animal in the rainforest enjoys snacking on water anoles, but slippery skin and an ability to carry an air bubble underwater help them survive. By Sara Novak Water anoles, semiaquatic ...

Unprecedented footage from Costa Rica shows tiny tropical lizards “breathing” from an air sac suspended atop their snouts—an apparent scuba tank that helps them stay submerged for extended periods.

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Add Yahoo as a preferred source to see more of our stories on Google. In a Costa Rican rainforest, a small, semiaquatic lizard called a diving anole leaps into a stream. Minutes pass, but the anole ...