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 ...
ExoLung uses a buoy that floats on top of the water as both a safety restraint and for taking in air. A 16-foot hose then connects the buoy to a collapsible water bladder attached to the diver’s feet, ...
Aquatic insects and other invertebrates are well known for carrying bubbles underwater for respiration. Now scientists have found tropical lizards that also “breathe” underwater this way—a ...
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