From mantis to hippo: 5 animals that eat their own species

Sometimes, this means doing things that may shock us. One such behaviour is cannibalism. This means an animal eats another ...
WUNC

An old tadpole, new Pythagorean Theorem proof and how fruit may have affected evolution

All right. It's time now for our science news roundup from Short Wave, NPR's science podcast. I'm joined by the show's dynamic duo, Regina Barber and Emily Kwong. Hey, ladies. REGINA BARBER, BYLINE: ...