50 Weird Facts You Probably Didn’t Know

There was a procedure developed in the 1960s that restored vision to those that were blinded, but a critical step involved pulling a healthy tooth from the patient. It's called osteo-odonto-keratoprosthesis.

The larvae of the Epomis genus are notable for being obligate role reversal predators. Amphibians such as frogs are normal predators of beetles, however, Epomis larvae feed exclusively on frogs and other would-be predators. 

The London Underground has its own subspecies of mosquito, which is more aggressive towards humans than its surface-dwelling relative.

Chickens sometimes engage in cannibalism. Historically, rose-tinted chicken eyeglasses were used on some chickens to prevent them from seeing blood and thus discourage them from cannibalizing injured chickens.

In Casorzo, Italy, there is a unique tree called Bialbero di Casorzo, meaning "double tree of Casorzo". It is actually a cherry tree growing straight on top of a mulberry tree.

Hemmingway once wrote a story that was only six words long. “For sale: baby shoes, never worn.”

The novel Gadsby, with a total of around 50,000 words, never used the letter E.

The creators of the 2004 video game "JFK Reloaded" awarded over $10,000 to the person who could best recreate the assassination in-game.

There is a restaurant in Japan named Kayabukiya Tavern that uses macaques as waiters.

In the 2005 Formula One United States Grand Prix, 14 of the 20 cars quit the race after the formation lap out of protest since their Michelin tires were found unsafe for the final turn.