12+1 = 11+2, and "twelve plus one" is an anagram of "eleven plus two."
This 25-minute film explores what we've learned about Saturn's various moons via space probes.
Bob Ross said he made over 30,000 paintings in his lifetime. If he didn’t sell them, where did his army of happy clouds go?
Louis Sachar's Sideways Stories From Wayside School series is still a favorite of elementary-age kids, 34 years after the first book hit the shelves.
Enjoy 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.
ComiCon visitors this weekend got a look at the Iron Man 3 suit, the cast of Firefly together again, and a first look at The Walking Dead Season Three.
Blessed be the internet on days when things such as this come to light - Gary Oldman does a dramatic reading of R. Kelly's autobiography.
In just three weeks, NASA's Curiosity rover will land on Mars...except that the "landing" is more like controlled crashing.
If you've ever wanted to meet the sharks from Finding Nemo that are trying to give up eating fish because "fish are friends, not food," then you'd better book a trip to England to
In case you weren't obsessively refreshing mentalfloss.com all week, here's what you
In this supercut, we are treated to dozens of people (including Batman) claiming to be Batman. Are you Batman? Am I Batman? I am pretty sure I'm Batman.
When this clip was released, everyone (including me - yes this is my article, deal with it!) reported that it was Pee-Wee Herman (Paul Reubens) himself dubbing the voices for all of the characters in
I've been busy with the garden this week, up to my elbows in canning beans, pickles, and tomatoes.
Film is perhaps America's greatest cultural export. That said, not every American film title translates well into other languages.
Installment #27: Beginning in 1910, the general staffs of France and Russia, allied since 1894, held regular talks once a year, alternating between Paris and St.