Those white spots you sometimes get on your fingernails? Totally normal. Usually.

BIG QUESTIONS
Some believe February once boasted 29 days and that Augustus Caesar stole a day so he could add it to August, which was named for him. (If there’s a month named after you, why not milk it?) But that’s a myth.
Since George Washington’s first appointment, 112 people have served on the highest court in the land. With the recent death of Antonin Scalia, that number will soon rise to 113.
It takes years, and you can be denied at every turn.
A possible explanation for why your local McDonald's can't serve up the soft-serve treat.
When an athlete loses a gold medal, do they actually have to give it back?
The voting process that determines the Oscar nominees is a long and complicated undertaking that involves approximately 8000 voting members and hundreds of eligible films and filmmakers.
A new video from the American Chemical Society breaks down the science of a substance that we can't break down.
All it takes is a slight curve in the glass.
It’s an error you see a lot these days, and it happens for a variety of reasons.
For twentysomethings, it's less than the cost of a latte.
'Ghostbusters' is a perfect idea for a movie, but what about its viability as a business? Are Venkman and Ray able to make ends meet by catching ghosts in New York City, or is the whole operation just one slow month away from closing up shop?
On December 24, 1955, the red telephone at the Continental Air Defense Command Operations Center started to ring. When they picked up the phone, a little girl asked an unexpected question: “Are you really Santa Claus?”
Just like banks, credit unions accept deposits and make loans—so what, exactly, sets them apart?
When that jolly old elf shimmies down your chimney, is he actually breaking the law?
The title was made up as a way to avoid commenting on the marital status of a woman.
Certain Christmas traditions never seem to go out of style. Along with wreaths, gingerbread cookies, and reruns of 'A Christmas Story' sits the poinsettia, a red-tinged leafy arrangement that’s become synonymous with the holiday.
Every four years, people talk about the oddness of the Electoral College, often leading to questions of whether it can change or reverse the results of an election.
When you're sad, so angry you could cry, or trying not to weep at that ASPCA commercial (again)...