The eye chart with the big "E" on top is called a Snellen Chart.
In March, the city of Topeka, Kansas, unofficially changed its name to Google for a month in an effort to promote itself as an attractive destination for the tech giant to test its new fiber-optic tec
This BBC video from Bang Goes the Theory demonstrates that sufficiently powerful huffing and puffing will indeed blow your (poorly constructed) house down.
Longest Tennis Match in History
John Isner and Nicolas Mahut began their first-round match at Wimbledon on Tuesday.
Besides being two words long, what property do each of the following two-word terms and phrases have in common?
list price,Â day school,Â chocolate milk,
bath sponge,Â dirty talk,Â lamp oil,
When he first came to the U.S., Manute Bol's passport listed the 7'7" Dinka tribesman from the Sudanese jungle as 5'2".
To celebrate our new "Team Edvard" shirt, we're re-running some of our favorite vampire stories this week.
Steve Martin's Tour Rider.
If you're ready to take our relationship to the next level, perhaps you'd like to follow mental_floss on Twitter.
Yesterday the US Men's National Team defeated Algeria 1-0 to advance to the next round of the World Cup. The stakes were dire.
Watching the NBA's annual draft gives basketball fans a chance to see the stars of tomorrow as awkward young rookies.
This month we once again celebrated the anniversary of the day in 1977 that VHS tapes (R.I.P.) were introduced to America.
by David Axe
For millions of people in Latin America, Africa, and Asia, the U.S. Navy no longer conjures up images of war games and nuclear submarines.
File this under Strange Moments Captured in Historical Stock Images.
Many of you hardcore HDYK? gamers have asked for a post like this in the past.
There were 94.5 million head of cattle in the US in 2009.