For most of us, Big Bird is about as big as it gets when it comes to our feathered friends. For Peter Makovicky of the Field Museum, Big Bird is small stuff. And he has the freshest research on vegetarian dinosaurs.
A Chicago scientist has shed some light on one of evolution’s most stubborn mysteries by resurrecting 800-million-year-old genes in the lab.The basics of evolution are pretty well understood: random genetic mutations over time lead to ever-more complex living things.
Last time around on Clever Apes we dipped into realms of science that some might consider disgusting. Now we turn to the science of disgust itself. What is disgust, and where does it come from? There are a few places where scientists can look for clues, starting with what disgusts people.