Innovation

Ever wonder what, exactly, you are putting in your body when you eat? Would you like to know the real difference between a "fat" and a "carb"? Learn all about food and how your body uses it!

By Marshall Brain

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

There's a candy called 'Pop Rocks.' When you put it in your mouth it makes a loud popping sound and it feels really weird! How do Pop Rocks work?

Hydrogen peroxide is something that is used to clean cuts. Have you ever wondered why it foams when placed on a cut? Learn about hydrogen peroxide.

By Yara Simón

Yesterday you talked about hydrogen peroxide, and the day before you talked about Pop Rocks candy. Since we are talking about things that fizz, what about Alka Seltzer? How does it work and why does it fizz?

It's a great pick-me-up in the morning and a perfect finish to a good meal. Ever think about trying to make this stuff at home? Find out what espresso actually is and how to make a perfect shot every time.

By Madeline Bullock

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

Although it's fairly easy to make at home or pick up at your local grocery store, ice cream is actually a very complex substance. Learn what goes into ice cream, how it's made and who invented it.

By Ed Grabianowski

Sushi is much more than raw fish. Learn about types of sushi, where it came from, how to make it at home and what it's like to visit a sushi bar.

By Ed Grabianowski

Many dieters use artificial sweeteners as a way to cut sugar without eliminating all things sweet. But did you know that some artificial sweeteners have almost as many calories as sugar? Find out how artificial sweeteners work.

By Lee Ann Obringer

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

Moonshining has evolved from backwood stills in the South. In fact, it's downright trendy in some bars. But, why is homebrewing and winemaking legal, but not distilling your own moonshine?

By Ed Grabianowski & Melanie Radzicki McManus

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

Remember "astronaut ice cream"? That was freeze-dried. You can find freeze-dried spaghetti and meatballs and even omelets. Find out what "freeze-dried" means and how such a state is achieved.

By Tom Harris

If you've ever tasted a Krispy Kreme original glazed doughnut, you know there's something special to these melt-in-your-mouth treats. How do they make a doughnut that's crispy outside yet soft inside? Find out.

By Tom Harris

Not only do we need to consume salt, we also need it for a variety of nonfood uses. But if it's so important, why do health organizations recommend that we closely watch our intake? Apparently, there can be too much of a good thing. Learn what happens when we overload on salt or get too little of it.

By Shanna Freeman

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

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

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