Ice Age clues frozen in mammoth poo!

Did you know a giant, dried-out pile of mammoth poop can survive for over 20,000 years!? And still hold the seeds, pollen, and even parasite eggs trapped inside it! Scientists call it "mummified," and it might be the ultimate Ice Age time capsule! This week, we travel to Waco Mammoth National Monument in Texas with Justin Tweet, paleontologist with the U.S. National Park Service! ➡️ Part of the Wild Critters USA series, created with PBS Nature and the National Wildlife Federation&...