The eye chart with the big "E" on top is called a Snellen Chart.
The Heene family's Balloon Boy hoax is still lingering in the news this week. Will charges be filed? Is a reality show in the works? Do you really care? We're guessing you don't.
Did you enjoy the auto-tuned "Cosmos" song featuring Carl Sagan and Stephen Hawking? If so, get ready for more science/music awesomeness.
I'm not sure whether this counts as a science video or just a "stupid human trick," but either way: did you know that baby shampoo lets you blow huge bubbles from your mouth?
Last year, while working on a book about Afghanistan and Pakistan, journalist David Rohde sought out a better understanding of the Taliban.
Ed. Note: Todays' guest blog star (and our good friend) Dr. Michael Reed knows hair care.
The San Francisco Bay Bridge has been going through a lot of construction lately as contractors are struggling to build a new, more earthquake-proof bridge.
So you think your mother-in-law is torturous? Or your boss with the lame sense of humor?
I ran across several places on the web that mentioned the Electronic Itch Stopper from HonTech Foundation for Medical Technology. It sounds like a fascinating new idea.
A high school football team received brand new jerseys for this season, and it took the head coach a while to get used to his players wearing different numbers.
How hard is it to recreate the world of the 1960s? The propmaster for the TV show Mad Men has a great time doing it.
By the time Ernest "Ernie" Barnes, Jr. (1938-2009) passed away this past April, he had truly achieved the American dream.
Around this time of year, I always have to take a break from pumpkin planning and marvel at bird migration. How do they find their way around the world without Google Maps?
Fans from different baseball franchises have different ways of rooting for their teams.
"The very idea of Australia conjures up images of red soil, vast empty spaces and sweltering heat. An inhospitable climate that requires something more than the average clad bungalow.
In case you weren't obsessively refreshing mentalfloss.com all week, here's what you