Here's the science behind why pet cats and dogs and some wild animals lick their wounds.
Lauren Leffer is a freelance science and environmental journalist based in Brooklyn, New York who will soon be a breaking news reporter at Gizmodo. She writes on topics such as wildlife, the climate crisis, biotech and health equity. Her work has been published in National Geographic, Popular Science, Audubon Magazine, Sierra magazine and elsewhere. Lauren graduated from University of Maryland with a bachelor's degree in biology and New York University with a master's in science journalism. Previously, she's worked as a research biologist, entomologist, park naturalist and curriculum writer.