Happy leap year! You can thank Julius Caesar and his buddies for bringing them to Europe more than 2000 years ago.

BIG QUESTIONS
The Iowa caucus doesn’t always predict the presidential nominee, but it’s been an important part of the process since the 1970s.
The two real estate professionals are often confused for one another, but there are some significant differences that prospective homebuyers should know about.
If you're an adult, the accent you use to speak now is likely the accent you'll have for the rest of your life.
The popularity of the surname McCoy makes it difficult to pinpoint one origin on the phrase, but here are the leading theories.
Seeing your breath isn't a cold weather phenomenon. It can also be visible when it's as warm as 60°F outside!
Nobody can seem to agree on whether the new decade began on January 1, 2020, or if it actually begins on January 1, 2021.
Lava lamp creators are notoriously tight-lipped about their secret ingredients, but DIY lava lamps aren’t impossible.
There's ancient evidence for the custom of shaking hands, but did it mean the same thing then as it does today?
Getting grocery and convenience store items for $1 may seem like a good deal, but dollar stores use some tricky practices to keep profits high.
There's nothing better than a warm chocolate chip cookie. But how do the chips seemingly resist oven temperatures?
For one, dropping a stitch while knitting will probably upset you more than dropping one while crocheting.
Two small but significant differences set your vegetable beef stew apart from your mom’s vegetable beef soup.
The term 'white elephant' has been used since at least the 1800s to refer to a less-than-desirable gift.
Everyone knows to expect a partridge in a pear tree on the first day of Christmas. But when is that, exactly?
The differences between forests, woods, and jungles aren't exactly an apple trees to orange trees kind of comparison.
If you’ve ever received a flu shot, you may have noticed that your upper arm is sore for a day or two afterward. Here’s why.
In "Will My Cat Eat My Eyeballs," Caitlin Doughty explains why human bones usually don't make a very good snack.
Much like Halloween itself, the practice of dressing up in costumes is the result of a hodgepodge of traditions from around the world.
Certain traits define the difference between colleges and universities. (And no, tuition isn't one of them.)
Trick-or-treating for candy on Halloween only became common a few decades ago, but the tradition's roots stretch back to ancient pagan celebrations.
The terms 'concrete' and 'cement' are often used interchangeably to describe hard, gray building material, but there is a difference.