Yawning is so contagious that it can spread to dogs and monkeys.
The Tuesday Test Time challenge for today's mentalfloss.com Brain Game will send your noggin on a trip around the United States looking for the answer.
Meet 150 Fearless Women.
Installment #7: In The War in the Air, published in 1908, H.G. Wells imagined a terrifying new form of aerial warfare, with cities turned into infernos by bombs dropped from the sky.
Geekdom lost an important figure over the weekend – Ralph McQuarrie died at the age of 82.
These road signs are enough to make anyone stop and scratch their head.
While almost everyone knows the First Rule of Fight Club and of course the Second Rule of Fight Club, it occurs to me that there are six more Rules of Fight Club that are a lot less famous.
To begin a new week, the mentalfloss.com Brain Game brings you a new Monday Math Square. Enjoy!
The nine white squares inside the main red grid should be filled with the digits 1 through 9.
Better Living Through Electrochemistry. Sally Adee tried out a DARPA helmet that stimulates the brain with electricity.
You know Amelia Earhart, but you've probably never heard of Harriet Quimby. It's quite likely that she inspired Earhart, who didn't start flying until a decade after Quimby.
Not many of the fantastic crop of Oscar-nominated short films are available online, but animated winner "The Fantastic Flying Books of Mr.
In case you weren't obsessively refreshing mentalfloss.com all week, here's what you
Some authors write books because they have a way with words. Others write books mostly to spite another author.
Jump rope can be a fun pastime for kids, a fitness routine for grown-ups, or serious business for athletes who make it into an art form.
I am legitimately concerned about this - I think the headline says it all: "They Did It To Pluto, But Not To Pink!
Happy belated birthday to Mikhail Gorbachev, who turned 81 yesterday.