Everyday Innovations

We humans aren't complete slaves to time. We've devised ways to pack an extra hour of sunshine into our day, thanks to daylight saving time. But who came up with this idea and why do so many people loathe it?

By William Harris, Kathryn Whitbourne & Desiree Bowie

Breastfeeding is a healthy way to feed young children, but busy schedules and other factors may keep mom from being available when baby's hungry. Breast pumps can help bridge that gap.

By Melanie Winderlich

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

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

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

Before digital cameras, you needed instant film to get instant pictures. With instant-film photography, you can watch the image slowly come together in a matter of minutes. While it seems like magic, the process relies on elements of science. Find ou

By Tom Harris

Black lights look like normal lights, but they do something completely different. Switch one on, and fingernails, laundry detergent, highlighters, money and teeth will glow in the dark. Find out what why.

By Tom Harris

You want to make a solar water heater using a soda can, but you're not sure how to do it. Learn about how to make a solar water heater using a soda can.

By HowStuffWorks.com Contributors

So-called "patent trolls" buy patents from others and use them to make money from companies that have built a successful market for a product. Have their tactics created a kind of tax on innovation?

By John Kelly

Electronic cigarettes were developed to help smokers get their dose of nicotine without the chemicals associated with burning tobacco. But are they any safer?

By Susan Cassidy

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

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

You probably listen to digitally encoded music on a regular basis, but have you ever wondered who pioneered the tech that allows you to carry thousands of songs in your pocket?

By Bernadette Johnson

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

It holds your Skivvies up, secures your ponytail and generally keeps athletes, rock stars and the general public outfitted in stretchy comfort. Ready to learn about the elastic fantastic?

By William Harris

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

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

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

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