The eye chart with the big "E" on top is called a Snellen Chart.
If You’ve Been Hoping To Clone Ronald Reagan, You Might Find This Helpful
This seems, as the article says, rather craven.
Memes: Collect the Whole Set
These meme trading cards are pretty nif
In 2009, students at Cambridge University genetically engineered E. coli bacteria, adding DNA sequences in order to create colors visible to the naked eye (standard E. coli does not have a pigment).
You come here to mental_floss for your daily dose of knowledge on a wide variety of topics. Our quizzes and entertainment posts also cover a great range of subjects.
You don't have to look beyond the borders of the good old USA to find the answer to today's mentalfloss.com Brain Game Tuesday Test Time challenge. Good luck:
What do these five U.S.
Is your alma mater on the list of America's 1,000 best high schools?
Installment #18: Even after the failure of the Haldane Mission and dire warnings from Winston Churchill, there was a slim chance that Germany still might choose the path of moderation and suspend the
The Future Is Now
Because in the 1960s the future was 50 or more years from then, which could be now. So now is the future for the 1960s.
Courtesy of SCP Auctions
Former New York Giants linebacker Lawrence Taylor’s ring from Super Bowl XXV fetched $230,401 in an auction over the weekend.
I need a favor.
On Wednesday — and if it goes well, at least once a month — we're going to chain Matt Soniak to his desk and make him answer 20 Big Questions.* Is there anything you've be
© Katsuro Okazawa/AFLO/Nippon News/Corbis
Ethan warned you yesterday about staring at a solar eclipse.
Good luck with today's Monday Math Square mentalfloss.com Brain Game challenge!
Place the digits 1 through 9 in the white blanks so that the mathematical equations work both across and down.
If you've got some serious spare time, you can hear commencement speeches from Barack Obama, Condoleeza Rice, Ira Glass, and Michael Bloomberg.
Paper cut image via ShutterstockThere are a couple things at play here, some involving the paper, some involving your skin.For one thing, what part of your body comes in contact with paper the most?
We've looked at cakes inspired by movies and video games. Next up: kids' books and characters!
1 & 2. Alice In
I have been saying this for years and years: your body’s internal clock is at war with society.
"Rob Flickenger made a handheld Tesla coil gun. It's amazing and amazingly dangerous.