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When Tim Berners-Lee created the setup we now use for every website URL on the internet, he included the double slash "//" after the "http:" because it was "a programming convention at the time," he told The New York Times.

Not only do astronauts aboard the International Space Station get the day off for Christmas, they also have presents delivered to them in space. Astronauts spend the day eating together and unwrapping gifts, and some even dress up for the occasion.

In the early 20th century, men of society eschewed traditional polish, using champagne to shine their shoes instead. In fact, Olga Berluti, a high-end shoe designer whose company is owned by the LVMH (Moët Hennessy Louis Vuitton) umbrella, still uses Dom Pérignon to polish her famed shoes.

The next time you're in Chicago, be sure to head up to the top of Willis Tower. From the sky deck, which is 1,353 feet above the ground, you'll be able to see four different states on a clear day—Illinois (of course), Indiana, Wisconsin, and Michigan.

Stubbs, an orange cat, was the mayor of Talkeetna, Alaska, for 20 years. He was in office until his death in 2017

James May created a two-story house made entirely of Legos on the Denbies Wine Estate in Surrey, Great Britain. It took 3.2 million tiny plastic bricks to build.

f you've ever wanted to know how many licks it takes to get to the Tootsie Roll center of a Tootsie Pop without having to eat one, Purdue University researchers have done the hard work for you. It took their licking machine 364 licks, while human volunteers got to the center in just 252.

While it's commonly believed that baseball was invented in Cooperstown, New York, in 1839, Jane Austen referenced the sport 40 years earlier. In the opening pages of Northanger Abbey in 1797, Austen wrote, "It was not very wonderful that Catherine, who had nothing heroic about her, should prefer cricket, base-ball, riding on horseback, and running about the country at the age of fourteen, to books.

While sad to imagine, elephants are among the few animals that bury their dead. After a member of their pack dies, elephants not only cry, but they also create graves for their dead and cover their bodies with leaves

The teeth of limpets, a type of aquatic snail, can withstand more pressure than it takes to create diamonds from carbon. We should be wearing those on our fingers!