Deep in Australia's Mary River lives one of the world's most unusual reptiles—a turtle with a remarkable survival ability that has fascinated scientists for decades. Known as the Mary River turtle, this endangered species can absorb oxygen through its cloaca, allowing it to remain underwater for extended periods without surfacing for air. The cloaca is a single opening used … [Read more...] about This Rare Turtle Can Breathe Through Its Rear — And Scientists Say It’s One of Earth’s Most Extraordinary Reptiles