Humans are rare among animals in that we possess sweat glands all over our bodies, which can produce moisture, and even embarrassment. But what exactly does excreting water through our skin do for us? Correspondent Faith Salie talks with biologist Andrew Best, and with Sarah Everts, author of “The Joy of Sweat,” to discuss the science behind perspiration.
Angela Kelly is a news writer with a passion for education and technology. She's also a sports enthusiast, with a particular interest in baseball. When she's not writing about the latest trends in education or technology, you can find her at the ballpark cheering on her favorite team.