The eye chart with the big "E" on top is called a Snellen Chart.
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Poor Santa. He's a big guy and everyone knows it.
On Fridays, I post a series of unrelated questions meant to spark conversation in the comments. Answer one, answer all, respond to someone else's reply, whatever you want.
In case you've been living in a cave the last few years, it's worth making a daily trip to the sub-reddit, pics.
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Girl Lost in Tsunami Found 7 Years Later
When a tsunami swept over Indonesia on December 26, 2004, one of the victims was an 8-year-old girl named Wati.
The mentalfloss.com Brain Game is taking today off to celebrate the holiday. Please do the same, and have a fun and safe weekend. We'll return in three days with a new Monday Math Square. See you
The Evolution of Santa Claus. The only thing he now has in common with the original is the spirit of giving.
109 Cats Celebrating Christmas.
It's Thursday, it's late...it's time for GUESS THE THEME! All the songs below have something in common. Think you know it?
Most store-bought Christmas cards feature Santa and his reindeer, Christmas trees or religious iconography. Here are some people who went in another direction.
Maybe Kraftwerk had a time machine.
How else could they have known thirty years ago what the ambient symphony of everyday life would sound like? The mechanical chirp of the cell phone.
Hanukkah started Tuesday night and runs the whole week, eight nights in total. During these nights, a helluva lot of latkes, or potato pancakes, are consumed.
As you gather together with friends and family, why not crank up the old YouTube Yule Log?
The editors of mental_floss magazine — Mangesh, Ethan, Stephanie and Jessanne — sat around arguing about their favorite longreads of 2011 for longreads.org.
Last week we shared last week about a woman in Michigan paying off three random layaway tabs at her local K-Mart. As her story spread, many other people stepped up to help out local families in need.
A few years ago, I wrote about strange Christmas traditions like Krampus, Caga Tia, the Caganer, Mari Lwyd, Zwarte Piet, the pickle ornament, the TV Yule Log, and Christmas in Japan (which involves se