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.

Egyptian Pyramids Built with Ramps, Not Alien Technology

Soccer, Shopping, Dining: Mass Transit Stations Aren't Just for Travel Anymore

Could We Build Our Own Gundams?

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?

Palm Oil Is Everywhere. Here's Why That Matters.

Could Injecting Particles Into the Stratosphere Slow Global Warming?

'Climate Kids' Sue U.S. Over Future of the Environment

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.

Greenland Crater First Ever Found Beneath Glacial Ice Sheet

Why Ice Usually Freezes Cloudy, Not Clear

Ice Crystals Cause Beautiful Noctilucent Clouds

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.

Would Sonic the Hedgehog Be Able to Survive His Own Speed?

Database of 18,000 Retracted Scientific Papers Now Online

Algae: Pond Scum or Food of the Future?

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.

Scientists Call for a Global Germ Bank

Yes, Neanderthals Could Laugh

How Close Are We to Growing a Square Tomato?

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.

F-35As Put to the Test in First-ever 'Elephant Walk'

Fire a Bullet Straight Up: How High Does It Go?

How Bulletproof Are Bulletproof Vests?

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

The Kilogram Is Dead. Meet the Kilogram 2.0

Skipping Stones on Ice Makes Crazy Sci-fi Sounds

What Makes a Scent Soothing?

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.

Why Is 137 the Most Magical Number?

10 Things You Should Know About Rachel Carson

Stephen Hawking's Last Paper Takes on the Multiverse

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 if You Were on an Elevator and the Cable Broke?

Is the Universe Just a Simulation?

How to Upgrade Your Shower, James Bond Style

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.

Gravitational Waves Are Lifting the Veil of Cosmic Darkness

How Much Starlight Has Been Emitted Since the Beginning of Time?

NASA's InSight Will Probe Mars' Quakes, Temperature and Wobble to Understand Its Origins

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.

Will the FAA Ever Regulate Legroom on Commercial Planes?

Got a Drone? Learn the Laws Before You Take Flight

HowStuffWorks Illustrated: How Physics Helps Animals Fly