‘Definition of Insanity’: Did Albert Einstein Really Coin This Famous Phrase?
Is Einstein's definition of insanity world-famous or just a myth?
Is Einstein's definition of insanity world-famous or just a myth?
When she was trying to fly under the radar, Queen Elizabeth II went by the name ‘Sharon.’
A nude swimmer and a phallic-looking fish nearly sunk one of the most recognizable book covers of modern times.
Not looking a gift horse in the mouth means being thankful for a gift, even if you secretly wished for something better—and it originated long before the invention of cars.
Set in a real-life cafe overlooking the Seine, the painting captures a joyous moment among friends—but the history around this iconic Impressionist work makes it all the richer.
During the Revolutionary War, George Washington approved a plan to kidnap Prince William Henry, a son of King George III.
What happened during George Mallory's fatal Everest ascent is one of mountaineering's greatest mysteries. Here's what we know.
In his famous 1858 speech, Abraham Lincoln warned that only civil war would resolve the issue of slavery in the U.S. He wasn’t wrong.
Here's how the hamburger came by its misleading name.
The Route 91 Harvest Festival, Astroworld, South by Southwest, and more have been afflicted by tragedy.
Although the line between the two is sometimes a little blurred, their origins are actually very distinct.
Different versions of “eeny, meeny, miny, moe” exist around the world, and there seem to be just as many theories about the rhyme’s potential origin—ranging from shepherds counting sheep to priests selecting sacrificial victims.
These future presidents worked some not-so-glamorous jobs as teenagers.
This 80-year-old archival footage shows Operation Neptune—the code name for the landings on the beaches at Normandy.
A quick sales attempt is said to be an “elevator pitch.” But does it actually have anything to do with elevators?
You’ve hummed along to them in the car, belted them out in the shower, and performed them on karaoke night. But do you really know what the lyrics to even some of your favorite songs are talking about?
Author Leo Tolstoy had a big family with his wife, Sophia. Now, you can get an inside glimpse at what a family reunion is like for his living descendants.
See how your neighborhood is faring.
From Holy Land USA to Chippewa Lake Park, discover some of the eeriest abandoned amusement parks across the United States.
Lewis and Clark were not the first people to see animals like coyotes, elk, and pronghorn, but they did introduce them to Western science.
From Jeeps to GPS and jerrycans, the military has fostered inventions that we use every day.
Memorial Day arose from the tragedy of the Civil War. It's a time to remember the people who sacrificed their lives for their country.
Salvador Dalí had a lot of interesting things to say about art, ambitions, and more.
The bison and bald eagle have been chosen to represent the U.S. Here's why.