This popular game of mathematical raindrops reminds me a lot of flashcards. But don't get lulled by the early easy rounds - they do get progressively faster and more difficult (I need to do this regularly, I'm terrible!)
What if BP took a page from the Domino's Pizza advertising handbook?
From the Annals of Too Much Time, the lads of XKCD have created a comprehensive character-interaction map for Lord of the Rings. Impressive, but also overwhelming!
Another fascinating map - this time, the... READ ON
In case you weren't obsessively refreshing mentalfloss.com all week, here's what you... READ ON
The new issue hits stands next Tuesday, and the cover story features the 50 Most Interesting Places in the Space-Time Continuum. We cover everything from Warren Buffet's Desk to Inside a Tornado to the Supreme Court's Doomsday Shelter, and even the Prettiest Slum of Tomorrow:
Dutch artists Jeroen Koolhaas and Dre Urhahn are bringing vibrant art to unexpected places with their Favela Painting project. About one-third of Rio de Janeiro's population lives in favelas, urban slums overrun... READ ON
Reading mental_floss on a regular basis might not make you addicted to the internet (or it might!), but the truth is, according to this infograph, our usage and dependency in general has skyrocketed in the past few years. The concept may not be surprising, but some of the numbers are!
Who are those people writing Yelp reviews? You may be one of them! Artist Jessica Wassail pairs Yelp reviews with her conception of what the reviewers might look like. Some interesting ideas abound!... READ ON
Can you imagine going to work with your dad every day? Maybe you already do. My dad works for the railroad and I can't really picture myself out there helping him repair tracks. Working with dear old dad is all in a day's work for these actors, though.
1. Kiefer and Donald Sutherland. Nope, you didn't miss a Donald Sutherland cameo in 24. The father-son acting duo have appeared together just twice: once in the movie adaptation of John Grisham's A Time to Kill and once many... READ ON
SchrÃ¶dinger's Cat is the name of a thought experiment in quantum mechanics that posits that an unknown exists in more than one state until it is observed. I always considered this idea a particularly human conceit, as if the existence or condition of something has anything at all to do with our knowledge of it. But then again, I'm no quantum mechanic. I can't even change my own oil.
OK, now you've got the idea, let's have some funnier... READ ON
One of Prince Charles's Secret Service code names was "Unicorn."