The Internet pays tribute to Alan Rickman, the renowned British actor who redefined the image of the ultimate Hollywood villain through his portrayal of Hans Gruber (Die Hard) and Severus Snape (Harry Potter series). He passed away from cancer at age of 69.

The Internet's eternal king of celebrity memedom turned 52 today. Pay your respects.

Chem nerds and OCD folks may now sleep in peace. With the latest confirmation of four new "superheavy" chemical elements, the seventh row of the periodic table is complete.

Initially popularized through its widespread usage on social news aggregators like Reddit and Digg, the three-letter acronym has become a household label for any interesting piece of general trivia on virtually every major social media platform.

The clock is ticking: Steam's annual holiday sales event ends on January 4th. Did you find any gems at a bargain price? Share your most satisfactory exploits in comments!