Via Science News for Kids: Guiana dolphins detect electric fields, an ability that may help them find fish to eat, researchers have found. Scientists suspect these dolphins are benthic eaters, which means they look for fish food on the seafloor. Down there, animals stir up clouds of dirt while foraging, making it hard to see. Finding food with electric fields could come in handy in such murky waters. Read more of this story here

Photo: The red arrow in the top photo points to dimples on the snout called vibrissal crypts that scientists say help Guiana dolphins detect electric fields. The bottom photo shows the depressions in closeup. Credit: Czeck-Damal et al. / Proc. R. Soc. B