Everyday Innovations

Who invented the toilet? While we wish it were so, it wasn't Thomas Crapper. Surprisingly, toilet design hasn't changed much since the first "water closet" patent in the 1500s.

By Kathryn Whitbourne & Jesslyn Shields

You can find porta-potties at festivals, construction sites and concerts across the planet – but how do they work? Get a closer (non-messy) look here.

When you think of sports drinks, chances are Gatorade comes to mind. But was it the first one? Or just the beneficiary of clever marketing?

By Becky Striepe

Behold the humble spork! Made of the cheapest plastic and seen mostly at public school cafeterias and fast food chains, it doesn't have an inspiring pedigree. But it's been around for a long time.

By Laurie L. Dove

Next Thanksgiving when you find yourself sleeping on Aunt Martha's pullout sofa, it might cheer you up to know that the convertible bed has a long, illustrious history.

By Laurie L. Dove

If you don’t know what tinnovation is, prepare to be amazed. These photos feature neat hacks that turn mere Altoid tins into utility items and art.

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

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

In the past few years, tooth-whitening has exploded as the physical upgrade of choice. Unlike nose jobs and chin tucks, just about anybody can afford to try this at home. Learn about different whitening techniques and how they work, and decide if you should give it a try.

By Dr. Jerry Gordon

Breast implants are becoming a popular high school graduation present for parents in the U.S. to give their teens. Learn all about breast implants and the surgical process of augmentation.

By Robert Valdes

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

If you've ever been to an aerial fireworks show, then you know that fireworks have a magic all their own. Ever wonder how they make such incredible colors and designs? Learn all about these pyrotechnics!

By Marshall Brain & Austin Henderson

Got a few grays? Just want a new look? Well, if you are like 75 percent of women, you're part of a billion dollar industry. Learn all about hair coloring and choosing the best color for you.

By Marshall Brain

Want to keep your dog out of the neighbor's yard but feeling guilty pulling out a leash? You might consider an underground or wireless pet fence. Learn how these fascinating systems work and why this specialized fencing industry is booming.

By Melissa Russell-Ausley

It's technical name is sphygmomanometer and it takes your blood pressure. But how does it do that?

Nothing quite thrills like seeing fireworks light up the night sky. A lot of design and planning goes into creating the awe-inspiring shapes we've come to love.

By Karen Kirkpatrick

Using a portable toilet at an outdoor concert or festival might be disgusting. But it sure beats going in a field! Now, imagine if your job were to clean out those suckers.

By Dave Roos

Stethoscopes started as a way for 19th-century doctors to put some distance between themselves and grubby patients. Today though, this simple listening tool is one of the best ways to diagnose a range of problems.

By Julia Layton

Ahhhh, the good old No. 2 pencil and its oft-used eraser. Have you ever wondered exactly what science is at work when that pink, rubbery lifesaver eradicates your blunders?

By Maria Trimarchi

In 1925, after an auto paint job gone wrong, a young research assistant was struck by the idea for adhesive tape. But how does tape actually stick, and how are we able to peel it off a roll?

By Julia Layton

Despite a ho-hum name, paper shredders have an extraordinary (and juicy) history featuring the likes of Oliver North, Enron and all sorts of spies. What story will thrust this commonplace technology back in the limelight next?

By Kate Kershner

They're instantly recognizable — mostly for their color. We're talking about yellow legal pads. So who decided they'd be yellow, anyway?

By Meg Sparwath

Pet microchips are supposed to ensure recovery of your lost animal. But these chips have received as much opposition as they have praise. Find out when the devices work and when they fail.

By Jane McGrath

Ice sculptures can range from small tabletop pieces to entire buildings. In this fundamentally temporary medium, art and engineering combine to form sparkling, breathtaking effects.

By Nathan Chandler