Science

Engineering is the discipline of design and construction of mechanical devices, equipment, structures and public works systems. Topics include aircraft technologies, buildings, bridges, robotics and heavy machinery.

London Bridge Has Never Fallen Down, But It Keeps Getting Rebuilt

What's the Difference Between the Pantheon and the Parthenon?

That Black Stuff on the Road? Technically Not Asphalt

The environment is truly a thing of beauty and should be protected whenever possible. What can we do to save the environment, and what new technology is available to help us?

How Much Water Is There on Earth?

Kernza: The Environment-friendly Wheat Crop that Wants to Feed the World

Ocean Plastic Once Choking Chile's Shores Now in Patagonia's Hats

We see the destruction that the Earth can unleash in the news on a regular basis. Here you can learn about hurricanes, tornadoes, earthquakes and other forces of nature.

Centralia: The Ghost Town That Sits Atop an Inferno

Wildfires Can Form Monstrous Pyrocumulonimbus Clouds

New Jersey's Pinelands Are Ripe for an Australia-type Wildfire

Do you know how common everyday items, such as mirrors, fireworks or sunglasses work? This collection of Innovation articles explores the workings of objects you may come into contact with on a regular basis.

How Hollywood Screen Siren Hedy Lamarr Helped Pioneer WiFi and GPS

Video Software System Syncs Lips to Other Languages

Why Are Legal Pads Yellow?

From the smallest microbe to the largest mammal, Life Science explores the origins, evolution and expansion of life in all its forms. Explore a wide range of topics from biology to genetics and evolution.

Glacier 'Mice' Move and That Has Scientists Stumped

What Does the Endoplasmic Reticulum Do?

Commensalism: I Benefit, You Don't, but It's All Good

Explore the weapons and combat systems used by the armed services. A broad range of topics in the Military Channel includes tanks, aircraft, biological warfare and stealth technologies.

What Are Ghost Guns and Why Are They So Dangerous?

U.S. Military Dogs Usually Outrank Their Handlers

Hypersonic Missiles Fuel New Global Arms Race

Physical science is the study of the physical world around you. Learn about everything from electricity to magnetism in this section.

Scientific Notation Is Math's Version of Shorthand

What Are the 7 Diatomic Elements?

Denatured Alcohol: Great for Your Camp Stove, Not Your Margarita

Do you know what a meteor is, or what scientists mean when they are talking about cryogenics? Our collection of science terms explains the meaning of some of the most common scientific ideas.

5 Facts About Marie Curie and the Winningest Nobel Prize Family in History

What Is Planck's Constant, and Why Does the Universe Depend on It?

Can You Nominate Yourself for a Nobel Prize?

Are vampires real? What is an out-of-body experience? Are crop circles proof that aliens exist? HowStuffWorks explores what is real and what is urban legend with this collection of Science Versus Myth articles.

What's the Difference Between Sasquatch and Bigfoot?

The Skinwalker Is No Mere Werewolf

What's Really Going on at the 'Dog Suicide Bridge'?

Explore the vast reaches of space and mankind’s continuing efforts to conquer the stars, including theories such as the Big Bang, the International Space Station, plus what the future holds for space travel and exploration.

Hubble Hubble: Telescope Provides Stunning New Images of Two Planetary Nebulas

How Old Is Earth and How Did Scientists Figure It Out?

Uranus: The Planet on a Very Tilted Axis

Many of us take public transportation or fly in airplanes on a regular basis, but have you ever wondered how all of these things work? This collection of transportation articles help explain how people get from place to place.

Why Is 'Mayday' the International Distress Call?

How Are Airplane Cabins Pressurized?

What Is a Ghost Flight?