The Surprising Science Behind Why and When We Yawn : The New Yorker by Richard Albistegui-Dubois in The Latest from the World of Biology Why do we yawn? The short answer is that we still don’t know for sure, but here’s a pretty good (popular) summary of some current research. The Surprising Science Behind Why and When We Yawn : The New Yorker. Share this:SharePrintEmailFacebookGoogleLinkedInPocketRedditTumblrTwitter Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.