Science Hundreds of ancient frogs died in this swamp mating death trap, researchers say 4:53pm July 06, 2022 by Ari Daniel Science Animals History Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2022 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered World News China has big plans for its space program by John Ruwitch World News Spain's prime minister considers resigning by Miguel Macias 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate