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.

San Francisco's Wave Organ Plays With the Tides

Landmark TWA Flight Center Now Stuns as Hotel

Excess Subway Heat to Warm London Homes

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?

The Anthropocene Epoch: Humans vs. the Earth

What's the Difference Between Global Warming and Climate Change?

Are Plastic-eating Enzymes Our Planet's Only Hope?

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.

Why King Tides Are Flooding Coastal Cities More Often

Monsoons Bring Rain and More Rain

HowStuffWorks Illustrated: Hurricane Categories

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.

New Liquid Magnets Go Places Solid Magnets Can't

Turning Air Pollution Into Ink

How That Creamy Chocolate Is Made

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.

The Big, Bad Brain Quiz

How Free Radicals Affect Your Body

The Mighty Banyan Tree Can 'Walk' and Live for Centuries

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.

Hypersonic Missiles Fuel New Global Arms Race

Coast Guard Rescue Swimmers Risk All to Save Lives

YOU Can Drive a Tank!

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

What's the Difference Between Covalent and Ionic Bonds?

Peyote Is Endangered, Spiritually Sacred and Becoming Legal

Primary Colors Are Red, Yellow and Blue, Right? Well, Not Exactly

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.

What Is Solar Wind?

What Existed Before the Big Bang?

Why Is 137 the Most Magical Number?

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.

Quiz: Test Your Knowledge of These Debunked Conspiracy Theories

Was Lyme Disease Created as a Bioweapon?

What's the Fascination With Number 23?

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.

Apollo 11 Put the First Men on the Moon. What About Missions 12-17?

It's Only a Rolling Rock on Mars (But I Like It)

Here's the Buzz on Alcohol in Space

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.

How Atlanta Became the World's Busiest Airport, Again

Ghost Train Station Is Symbolic Hope of Korean Reunification

What's the Difference Between Airspeed and Ground Speed?