Innovation

People have strong opinions about pizza -- in terms of passion, it ranks right up there with politics and religion. How did this Italian peasant food become a diet staple?

By Alia Hoyt

You stay behind at work and agree to close up alone. You go into the walk-in freezer to put away some food, and the door shuts behind you. You do everything you can think of, but you can't get it open. Now what?

By Katherine Neer

In movies, bad guys can take over an airplane and start shooting up the place. Wouldn't the plane explode or depressurize as soon as the bullet pierced its skin?

By Marshall Brain

A man has a gun. But this is no ordinary man, and this is no ordinary gun. This isn't a setup for a sci-fi thriller. It's the premise for quantum suicide.

By Josh Clark

From cornflakes to Silly Putty, many of the things we consume today were created unintentionally. Here are the stories behind eight well-known inventions.

By Melanie Radzicki McManus

Spam has been inspiring obsession and revulsion since the Great Depression. What exactly makes people so passionate about it?

By Ed Grabianowski

The simplest explanation is usually the correct one. Or is it? Learn how detectives, doctors, scientists, mathematicians, skeptics and theologians all use the principles of Occam's Razor to slice through data and arrive at a particular worldview or theory.

By Shannon Cicero

Tea, the second-most consumed beverage in the world, has its own culture and customs. Learn more about different kinds of tea and how the process of preparing tea works.

By John Fuller

Some cooks like to pound their steak with a mallet. Other adventurous souls have tenderized meat with explosives. Why does a pineapple work just as well?

By Tom Scheve

A February 2008 blast at a sugar refining plant near Savannah, Ga., killed at least six people. Investigators believe the accident occurred when sugar dust exploded.

By Josh Clark

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

As you surf the Web, your mind is distracted by the thought of warm cookies floating in cold milk. Will this craving ever subside, or do you need chocolaty satisfaction ASAP?

By Cristen Conger

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

Have concerns about the effects of aspartame? Wonder if it can really make you go blind? Find out the answer to your questions in this article.

Stout, lager, pale ale, pilsner and porter ... it takes a lot to produce a great beer. Take a tour through the brewing process from start to finish, barley to bottle, mash to keg and learn to brew at home!

By Karim Nice

I have been smoking for 50 years and have always wondered why cigarettes have filter tips. I can remember when none of the cigarettes on the market had filters, and now nearly all of them do. Does the filter do anything?

How does chlorine work to clean swimming pools?

I live in California, where we are having a power crunch. I have a hypothetical question: Could I power my computer or my TV with a bicycle generator?

By Austin Henderson

This stimulant drink comes from beans that are roasted and ground and, for many of us, it's a staple of life. But do you know where coffee grows and how it gets to America? How a French roast differs from an Italian roast? What a coffee cherry is? Or how decaffeinated coffee is made?

By Debra Beller

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

Crayola crayons have nurtured childhood creativity and remained safely edible for over 100 years. Now learn their story- how they originated in the 19th century, how they've changed, and we'll even tell you how old that familiar label is.

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

From Beaujolais to Bordeaux, Madeira to Merlot and Sancerre to Shiraz, wine can complement almost any food. And, one glass of red wine daily may be a heart-healthy habit. Learn how wine is made, from grapes to glass!

By Craig Freudenrich, Ph.D.

How does a Dippy Bird work?