Knowledge

You can thank these brilliant female minds for making the world what it is today.

You're probably using math way more than you think.

The sad-looking food you sometimes get in the restaurant may not look as appetizing, but it actually tastes better.

While you might take the extra precaution to double (and triple) clean the items you use, there are certain chemicals...

U.S. presidents receive thousands of gifts per year from foreign dignitaries, celebrities, and everyday, regular Americans. These are among the...

These manners might seem backwards to you, but they're the norm in other countries.

The oldest vintage cast iron has been handed down from generation to generation. Here's everything you need to know about...

Your shower, your closet, and your pantry say a lot more about you than you realized.

The world's largest four-legged predators are great swimmers, walkers, and hunters, but climate change is rapidly changing their way of...

It is notoriously hard to get rid of cockroaches. Here's the one city that has an especially hard time keeping...

For them, it’s not about the money.

There are more than 7,000 living languages in the world, but UNESCO predicts more than half will be extinct by...

Grilled, fried, caramelized, or raw, onions will always provide affordable flavor. But why must we cry?

From facial hair to hats, find out all the fashion rules for British royals.

Here's a hint: It's one of the original 13 colonies.

Thanks to Hollywood and generations of misinformation, most people don’t know the truth behind these 10 historical figures.

An early advocate for women's rights, this passionate, complex leader was crucial to the women's suffrage movement. But Susan B....

Happiness isn't just a trait you're born with, it's a choice. These simple habits of happy people are guaranteed to...

Kids these days might not know a floppy disk from a Walkman, but it’s up to you to guess what...

You had one job, Lincoln Memorial engraver.

We investigate when (and how) to make your zip-top bags reusable.

Your English teacher would probably be mortified, but you can safely ignore these grammar "rules."

If you can find a way to solve the world's hardest maze, you can consider yourself a genius

Purple urine? Skin like tree bark? Allergic to water? To the patients who have them, these strange diseases and conditions...

It may be well over 200 years old, but in the grand scheme of things, America's still just a baby!...

We’re all guilty of making this mistake.

Spread a little happiness with these nice things to say to friends, colleagues, and even total strangers.

Her Majesty The Queen spent her first ten years assuming she would live her life as a "minor" royal. But...

These phrases are meant to sound like random letters and numbers, but in certain situations, they can be signs of...