Innovation

The grocery bag you're carrying breaks, and the eggs inside splat across your driveway. Yep, unloading groceries can be tedious, but that's nothing compared to the days before refrigeration, so grab a cold beverage and learn who you have to thank.

By Jonathan Atteberry & Desiree Bowie

Like so many other modern conveniences that we take for granted, the history of the elevator is more complicated than it may seem at first glance. Believe it or not, there's some controversy over who invented this commonplace contraption.

By Shanna Freeman

More than two-thirds of U.S. households play video games, according to the Entertainment Software Rating Board. Without the crazy ideas of a few pioneering folks, we might still be stuck playing marathon sessions of charades. So who do we have to thank?

By Jonathan Atteberry

We take X-rays so much for granted. We get them at the dentist's office and watch them while clearing luggage through security at the airport. But did you know they were discovered by accident?

By Josh Briggs

Before you hurriedly unwrap a stick of gum and twist the foil around the closest blown fuse, you may want to consider a few things. You could have a fixed fuse -- or a full-blown fire.

By Jessika Toothman

Better than buttons? Maybe. Less time-consuming than laces? Definitely. As far as fastening mechanisms go, the zipper is a work of art. Learn exactly what makes up a zipper and how it all fits together so perfectly.

By Tom Harris

How do scratch-and-sniff stickers work? What makes them last for years and years?

Researchers are constantly developing fabrics that can help keep you cool, whether you're working out or trying to get a good night's sleep. But how do they work, and which are the best ones?

By Carrie Whitney, Ph.D.

Many items enjoyed by people of all abilities were originally designed to help people with disabilities. Here are some inventions you may use every day that were originally for the disabled community.

By Alia Hoyt

As you sink your teeth into a juicy hamburger, could you be consuming meat that came from cloned livestock? Will those condiments taste just as good on your genetically duplicated dinner?

By Julia Layton & Cristen Conger

When absinthe was banned in many countries in the early 1900s, it had really fallen out of favor. How does absinthe affect those who drink it?

By Julia Layton

How can my glasses change from transparent, when I'm inside, to dark when I go outdoors?

By Austin Henderson

How do trick birthday candles work -- the kind that re-light themselves after you blow them out?

Whether you're hitting the surf or the slopes or just spending a day on the lake, sunglasses are a must-have accessory. Find out if the $10 sunglasses are as good as the high-cost ones.

By Jeff Tyson

Although technology is helping to make the world seem a lot smaller, there are still major differences between countries. Learn about electrical standardization around the globe.

Energy drinks are everywhere, but how exactly are they supposed to give you energy? What's really in them, and are they safe? Find out.

By Stephanie Watson

Unless you're in a particularly remote area, you can't go far in most developed countries without finding a fast-food restaurant. Learn how fast-food restaurants came to be and why they're so popular.

By Tracy V. Wilson

What if we could enjoy all of the pleasurable effects of alcohol, without having to worry about the harmful side effects? Learn about synthehol and other alternatives to alcohol.

By Stephanie Watson

How does a ball point pen work?

You know that bumper sticker that says "Shoot your TV"? Click here to find out what would happen if you actually tried it (it's best to let us do the dirty work).

By Marshall Brain

On July 2, 2001, heart failure patients gained new hope, as surgeons performed the first artificial heart transplant in nearly two decades. The AbioCor Implantable Replacement Heart is the first completely self-contained artificial heart and is expected to at least double the life expectancy of patients.

By Kevin Bonsor

You see light sticks everywhere during the holidays – especially Halloween. Have you ever wondered why these cool light sources glow? What's happening when you crack one? Take a look inside a light stick.

By Tom Harris

They dispense everything from hairspray to cleaning products to whipped cream. Without them, you'd be doing a whole lot of pumping.

By Tom Harris

Sourdough bread tastes great, but have you ever thought about it as a technology??? Learn how this technology works!

By Pamela Nelson

It's Thanksgiving Day and your waistband is groaning after dinner. Some say that tryptophan, an amino acid found in turkey, is the reason you want a nap, but is that really true?

By HowStuffWorks.com Contributors