Science Versus Myth

Assuming we got to keep the sun, how bad would be for travelers to not have these little guiding lights? And what else might have changed in history without stars?

By Gallagher Flinn

People would look underground for water and maybe just stay there to escape the fiery hell on Earth's surface. But could humanity really last without the seas?

By Gallagher Flinn

Sure, Saturn's luminous rings are a cosmic marvel, but did you know that Earth once had rings? If we still had them today, what would they look like?

By Laurie L. Dove

The undead are frightening, brain-hungry monsters, lumbering toward their victims with great purpose. But wait. Can they even digest brains?

By Nathan Chandler

Your dog just swallowed a plate full of chicken bones. Is he really in serious danger? The short answer: yes. Find out why you need to get him to a vet immediately.

By Jeff Harder

Figuring out how to deal with rising sea levels isn't some kind of purely academic exercise. It's happening. So how do we deal with it, especially if the sea rises a foot in our lifetime?

By Jeff Harder

You would probably be pretty freaked out if you ate uranium, right? Well, if you've ever eaten a potato or turnip, you may already have done so. How does your body deal with this radioactive substance?

By Jeff Harder

Feel like drinking a nice, big glass of embalming fluid? We didn't think so. But what would happen if a living person poured into his or her body something meant for the insides of the dead? Nothing good.

By Jeff Harder

A small amount of household bleach, while it sounds gross, probably won't harm you. But what happens if you drink more than that?

By Nathan Chandler & Jeff Harder

Yes, you can eat marijuana, but turns out it can provide a much different -- and possibly more potent -- high than when you smoke it. Read on to find out ingested marijuana's effects on the body.

By Jeff Harder

Of course you wash your hands after you use the restroom or work the room at a networking event. But what about after you play beer pong? Or cuddle a duckling?

By William Harris

Some say the real reason "no tear" shampoo works is that it has Novocain in it, desensitizing babies to its sting. Fact or urban legend?

By Laurie L. Dove

It may shock you, but there's never been a widespread study conducted on the sanitation or the necessity of the courtesy flush. Can this practice inflict grievous bodily harm on your hindquarters — and the environment? HowStuffWorks weighs in.

By Kate Kershner

Very tall, hairy, glowing eyes – that seems to be the go-to description for a lot of mythical monsters out there, especially in America. Here are 10 to keep an eye out for.

By Melanie Radzicki McManus

Whether we live in fear of a kraken or the Leviathan, humans all around the globe have made sea monsters a part of their cultures. Is there a drop of truth to any of these widespread tall tales?

By Nicholas Gerbis

For decades, moms have been threatening that if you don't eat your crust, your hair will fall out, fall limp or somehow fall incorrectly. What's the deal with bread crusts and hairstyles?

By Colleen Cancio

The core of our planet is about as hot as the sun. Could it ever cool down? That's one thing you don't want to happen.

By Chris Opfer

A helium shortage threatens more than just the balloon industry. Way more. Here's what at stake should we run out of this gas — which is a real possibility.

By Chris Opfer & Sascha Bos

What could happen if we poked one of these sleeping giants? There are two scenarios. One is good. One is very, very bad.

By Chris Opfer

Welcome to Yellowstone, a natural wonderland that's home to stunning vistas, vibrant plant and animal life ... and a massive and potentially devastating supervolcano.

By Chris Opfer

Your vacation would be ruined, and that's not all.

By Chris Opfer

Sans gravity, would we all just bounce up and down like astronauts on the moon? No. It would look a little more like a Michael Bay movie.

By Chris Opfer

Our planet's path around the sun defines life on Earth. What would happen if it changed?

By Chris Opfer

Climate change and industrial activity are wiping out large sections of the world's largest rainforest.

By Chris Opfer

In the classic film "Cool Hand Luke," the title character gulps down 50 hard-boiled eggs in less than an hour. Is this a trick you can (or should) try at home?

By Debra Ronca