![The Discovery Files show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/014/590/small/the-discovery-files.jpg)
Summary: Researchers at the Ohio State University and the University of Cincinnati have discovered why plants and animals had a hard time recovering from the largest mass extinction in Earth's history 250 million years ago.
Summary: Researchers at the Ohio State University and the University of Cincinnati have discovered why plants and animals had a hard time recovering from the largest mass extinction in Earth's history 250 million years ago.