Decades after it was observed at an English café, experts still aren't sure how this illusion works.

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A number of valuable, important, or rare manuscripts have been swiped from authors or the individuals or institutions tasked with taking care of them. Here’s a sampling of them.
“Faxlore" marked the transition from oral urban legends to spam emails and copypasta.
From ink to calm, you might be surprised to learn how many words come back to scorching temperatures.
For director Frank Darabont, the answer to a perplexing 'Shawshank' problem came from mobster Henry Hill.
From 'Life of Pi' to 'One Hundred Years of Solitude,' these classic works of magical realism deserve a spot on your reading list.
On July 21, 1987, Guns N’ Roses unleashed their first studio album, 'Appetite for Destruction,' and changed the face of '80s rock.
In 2002, James Gandolfini took a break from filming 'The Sopranos' to pay Sesame Street a visit.
Online retailer Candy Funhouse has thousands of candy products awaiting your stamp of approval.
It might be the rarest letter at our disposal, but listed under Q in the dictionary are a clutch of fantastically bizarre words.
Before Nintendo burrowed its way into millions of homes, it had to win over retailers in New York City—and the difficulty level was set to 'almost impossible.'
If you were born in the mid- to late 1990s, the fiction book is probably by John Grisham.
Though Nichelle Nichols was best known for her role as Lieutenant Uhura on 'Star Trek,' she also played a key role in the formation of NASA’s Space Shuttle Program and inspired generations of STEM leaders.
Here’s a quick guide to keg sizes and capacities.
All five answers to the questions below have something in common. Can you figure it out?
When they weren't facing dimension-hopping villains, the young stars of 'Stranger Things' season 4 were perfecting handshakes and filming TikToks.
From aliens in Antarctica to unhinged babysitters, there's never any shortage of creepy content on Shudder.
If you use your knives regularly, they need to be sharpened regularly.
Thanks to more launches and lax standards, there's a pretty good chance someone is going to get creamed by falling space junk sooner rather than later.