Knowledge

Here's what happens when you mix baking soda and vinegar—and how to use them for cleaning.

Left-handed people make up only about 10 percent of the population. But that 10 percent has made quite an impact.

While popular in movies and pop culture, the real answer is a little bit more complicated.

There's no reason for your household castoffs to be destined for the dump. Here's how to recycle almost anything, from...

From premature babies to tough octogenarians, these people and their incredible stories baffled even medical professionals.

Print advertisements for cars back in the day used to look a lot different!

The world record for holding your breath is over 20 minutes! Find out what's happening to your body when you...

Admit it, you've always wondered!

Your dreams can be affected by when you dream, whether you smoke, your mental health, and more. And, by the...

While they sound the same, they are in fact two very different things.

If you've ever dressed up like a "nerd" for Halloween, glasses were likely a mandatory part of the costume. But...

Alternative facts have always been with us, and they've always been used to cover up uncomfortable truths. Here's some history...

Many natural-born lefties were forced into becoming righties throughout the course of history—and in some countries, they still are.

It's not just what you say—it's what you sound like when you say it.

Got no chill? Try these simple ways to relax and unwind today.

Who gives a darn about an Oxford comma?

Email may rule work correspondence, but knowing how to write a business letter never goes out of style.

Good luck is easier to come by than you might think … especially if you carry a rabbit's foot and...

Burglars can't wait to get their hands on these items.

While some wedding etiquette rules have gone out the window, there are still some you must follow at every celebration.

Etiquette experts weigh in on the rude conversation habits you may be guilty of—and how to fix them

Courtesy may not be so common anymore. These 10 rude coffee shop behaviors get baristas steaming.

Every sight, smell, sound, and touch in a retail environment is engineered for one purpose: to get you to spend...

You can't go from intern to CEO overnight, but these 10 tips will point you to success city.

Now you can order one with confidence.

Anytime you're confused about this rule, here's how to correctly use each phrase.

How dangerous can that package of fireworks be if you bought them from the store? Plenty dangerous—and here's why.

Even if you were born and raised in the United States, you might not be able to pass the naturalization...

Find out the little-known history behind the tiny two-piece swimsuit, which celebrates its 73rd birthday on July 5, Bikini Day.