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  • Perspiration can be a stinky nuisance as temperatures climb, but scientists say we shouldn't sell sweat short. There's so much more to the briny stuff than meets the eye.
  • Sweat is an "evolutionary marvel," says Sarah Everts, the author of The Joy of Sweat. In her new book, Everts delves into the science of perspiration and how this trait has enabled humans to thrive.