Read more in the app
Chicago School Kid Discovers New Cancer-Fighting Compound in Bird Poop
Gorgeous paintings of ancient Egyptian goddesses revealed under layers of bird poop
Scientists Studied Bird Poop and Found That When Birds Migrate, Their Gut Bacteria Change
World's Driest Desert Was Once Transformed Into a Fertile Oasis by Bird Poop
Bird Poop 'Time Machine' Shows a Staggering Historic Decline in Sea Birds
