Leah Shaffer is a freelance writer covering education and science. She enjoys both good beer and good beards.
POPULAR ON mental_floss
A super-skimmable daily digest.
Subscribe To Our Newsletter
A super-skimmable Daily Digest filled with fun stories from our editors.
©2016 Mental Floss, Inc. All rights reserved. Mental Floss® is a registered trademark owned by Felix Dennis. mentalfloss.com is a trademark owned by Felix Dennis.