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Why Do Some Clocks Use Roman Numeral IIII?
This has been driving people crazy for a long time.
Octopuses, Beef & Other Items Hockey Fans Throw on the Ice
With the Stanley Cup playoffs in full swing, let's examine some of the various objects fans have hurled onto the ice. 1.
Toxic Towns: 6 Cases of Polluted Places
Every once in a while, an environmental disaster makes big news, but the effects remain years after the headlines have faded. Here are six stories of what human activity did to mess up Mother Nature. 1. Mossville,
Does Counting Sheep Really Help You Fall Asleep?
As far as we can tell, the idea of counting sheep to get to sleep might go back to ancient shepherds, who had to literally count their sheep every night before turning in, to make sure they were all there. Given the timing and the monotony of the task, so

Why Does Mint Make Your Mouth Feel Cold?
Reader Lisa from Anderson, California, wrote in with a question: "Chew a piece of mint gum and then drink something. It seems colder.
9 Shameless Abuses of Diplomatic Immunity
Diplomatic immunity may be intended to keep diplomats from running afoul of local authorities while serving abroad, but some workers take it as a license to act like jerks.
5 Things You Didn't Know About Shirley Temple
For a four-year stretch in the mid-1930s, Shirley Temple was Hollywood's biggest box-office draw every year.
Give Me a Sign: The Stories Behind 5 Hand Gestures
So much can be said with a hand gesture. Here are the stories behind gestures you might use every day, and some you might not. 1. The Vulcan
Can Morphine Prevent PTSD?
Throughout the history of medicine, doctors have prescribed opium-based drugs. "Among the remedies which it has pleased Almighty God to give to man to relieve his sufferings, none is so universal and so efficacious as opium," said Thomas Sydenham, an Eng
The Quick 10: 10 Twinkie Tidbits
We've neglected a very important anniversary on the _floss this week - Twinkies turned 80 years old on Wednesday! Because I feel terrible that we overlooked such an important pop culture icon, here are 10 facts about the snack cake that's been on grocery
5 Things You Didn't Know About Kelsey Grammer
TV audiences have long enjoyed Kelsey Grammer for his masterful portrayal of two very different characters: Dr. Frasier Crane and Sideshow Bob. Let's take a look at five things you might not know about the primetime powerhouse.1. He's Had a Traumatic Per
Loving, Fighting, Peeing: The Sex Lives of Crayfish
When I'm not blogging for mental_floss, I can usually be found wearing bright orange rubber pants and gutting, cutting and selling fish at my local Whole Foods (and winning awards for it). Sometimes, my two worlds collide and I find some scientific resear