A pediatric dentist and an anthropologist explain how baby teeth and adult teeth help humans chomp their food over a long ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Christina Nicholas, University of Illinois Chicago and David Avenetti, University of ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...