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.

Man-made Islands Are More Common Than You Think

How Eero Saarinen Dreamed Up the St. Louis Arch

How Brunelleschi Built the World's Biggest Dome

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 the Salton Sea Became an Eco Wasteland

How Solar Panel Highways Work

Carbon Capture-to-fuel Is Here

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.

How (and Why) Hurricanes Get Their Names

Why King Tides Are Flooding Coastal Cities More Often

Monsoons Bring Rain and More Rain

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.

Eugenics Overshadows the Legacy of Scientific Genius Francis Galton

New Liquid Magnets Go Places Solid Magnets Can't

Turning Air Pollution Into Ink

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.

How Photosynthesis Captures Light and Powers Life on Earth

Every Single Living Thing Is Part of an Ecosystem. Here's How They Work

Can a Genetic Test Tell that You'll Prefer Chocolate Ice Cream?

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.

Mathematicians Solve Sum-of-Three-Cubes Problem for the Number 42

Formaldehyde Is Everywhere, But Is It Dangerous?

What's the Difference Between Covalent and Ionic Bonds?

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.

Can You Nominate Yourself for a Nobel Prize?

What Is Solar Wind?

What Existed Before the Big Bang?

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.

Jupiter: Anatomy of a Gas Giant

Is Planet Nine Actually a Primordial Black Hole?

Confirmed: Comet Borisov Is Another Interstellar Visitor

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.

Electric Boats Make Emission-free Sea Travel a Reality

How Atlanta Became the World's Busiest Airport, Again

Ghost Train Station Is Symbolic Hope of Korean Reunification