The Eugenics Record Office thought pseudoscience could make more perfect humans. It led to unspeakable tragedy.

Boston’s Fenway Park is full of criminals. In the state of Massachusetts, it’s technically illegal to swear at or otherwise insult athletes or officials during sporting events. That would make ...

But of all the English language’s possible sources of difficulty, easily confused and muddled word pairs—from there and their to e.g. and i.e. —surely rank among the most troublesome. Now, a new ...

Because basements are partially below grade, or under the ground, an egress window is often installed near a window well, which provides space to maneuver once a person has exited through the window.

But there are a handful of specific airport landings that will have even the most confident flyers filled with fear. The fear factor of scary airport runways can come from a few different elements: ...

September 30, 2025, will be the day AOL finally hangs up its dial-up service. According to the company’s statement, the ...

Hundreds of thousands of people were killed and wounded as a result of the bombings, but true counts are difficult to ...

The first 13 states listed below were the original 13 colonies. Their so-called statehood dates are the day they ratified the ...

A science fiction writer called it an “artifact of such utter simplicity and perfection that it seems it must be either the ...

That line of thinking seemed to hold until the summer of 1961, when a highly-regarded public figure began to implore American families to pursue fallout shelters. The advocacy didn’t come from any ...

With 1985 now 40 years gone, Mental Floss is taking a look at the people who were making headlines and emerging as cultural ...

First, pour about a half-gallon of water into an aluminum pan. Mix a bit of dish detergent into the water, and slosh it ...