Yawning is so contagious that it can spread to dogs and monkeys.
© Katsuro Okazawa/AFLO/Nippon News/Corbis
Ethan warned you yesterday about staring at a solar eclipse.
Good luck with today's Monday Math Square mentalfloss.com Brain Game challenge!
Place the digits 1 through 9 in the white blanks so that the mathematical equations work both across and down.
If you've got some serious spare time, you can hear commencement speeches from Barack Obama, Condoleeza Rice, Ira Glass, and Michael Bloomberg.
Paper cut image via ShutterstockThere are a couple things at play here, some involving the paper, some involving your skin.For one thing, what part of your body comes in contact with paper the most?
We've looked at cakes inspired by movies and video games. Next up: kids' books and characters!
1 & 2. Alice In
I have been saying this for years and years: your body’s internal clock is at war with society.
"Rob Flickenger made a handheld Tesla coil gun. It's amazing and amazingly dangerous.
© Hulton-Deutsch Collection/CORBISEclipse mania is gripping the western part of the United States. Should the wide-eyed and unprotected hazard a peek? NASA doesn't advise it.
In case you weren't obsessively refreshing mentalfloss.com all week, here's what you
For the college football fans, an exhaustive look at What If the NCAA had a Relegation League?
Whether Battleship is a super success or super failure, a thundering battalion of movies based on board games is marching toward a theater near you.
Our only son graduated from high school tonight.
Rhinos are amazing and massive animals that easily capture the imagination of their admirers both at zoos and in the wild.
We’ve been doing The Missing Links for all of three-ish weeks now. Seems like it’s about time for a theme show. So let’s go with a food theme.
On Fridays, I post a series of unrelated questions meant to spark conversation in the comments.
As a little light science-ish fare for Friday, here's a TED Talk in which David Blaine explains his quest to hold his breath for a really, really long time.