This form of expression might have been important in our social evolution, and demonstrates the brain’s intricate powers, says Tufts psychologist Aniruddh Patel
The Tufts Now video series Ever Wonder features faculty and other experts answering questions about which we all have wondered—everything from why we have cravings to how pollution affects us.
You can view the entire series at http://everwonder.tufts.edu, and submit your own questions there, too.
Steffan Hacker can be reached at steffan.hacker@tufts.edu.
