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How to Find Your Healthy Body Weight
health.howstuffworks.com/wellness/diet-fitness/weight-loss/how-to-find-your-healthy-weight.htm
A healthy body weight is neither too heavy or too skinny. Learn how to find your healthy body weight at HowStuffWorks to help set fitness goals.
Can You Ace This 12th Grade Physics Quiz?
play.howstuffworks.com/quiz/can-you-ace-this-12th-grade-physics-quiz
You're gonna have to get PHYSIC-al with this quiz. It's so easy, a high schooler can do it! Actually, some of them can't. Do you think you can get a better score than a 12th-grader?
How Asteroid Belts Work
science.howstuffworks.com/asteroid-belt.htm
Asteroid belts may tell us how our very solar system came into existence. Learn all about asteroid belts, from their characteristics to what they can teach us.
How Nuclear Bombs Work
science.howstuffworks.com/nuclear-bomb.htm
Nine countries hold the 13,000 nuclear weapons in the global stockpile. That's less than during the Cold War but it doesn't change the fact that these bombs are still a threat to global humanity. So how do they work and are we close to nuclear war?
From Military to Mainstream: The Evolution of the AR-15
science.howstuffworks.com/from-military-to-mainstream-evolution-of-AR-15.htm
The ArmaLite AR-15 rifle has become a hot-button issue in the American landscape. Where did the rifle originate and how did it become so controversial?
Could You Dig a Tunnel Right Through the Center of Earth?
science.howstuffworks.com/environmental/earth/geophysics/question373.htm
Let's say you have a lunch date to make - and it's on the other side of the planet. Wouldn't it be convenient to pop down a hole through Earth's innards? But what would really happen if you did?
Could a gamma-ray burst wipe out all life on Earth?
science.howstuffworks.com/gamma-ray-burst-life-earth.htm
When a huge star collapses, it releases massive amounts of radiation in concentrated streams. If one of those streams hit Earth, it wouldn't be pretty. But where should we put "gamma-ray bursts" on our list of anxieties?
How a Supernova Works
science.howstuffworks.com/supernova.htm
A dying star can explode with the force of a few octillion nuclear bombs and create any element in the universe. But why do stars go supernova?
How Weightlessness Works
science.howstuffworks.com/weightlessness.htm
As the International Space Station astronauts return to Earth after a three-month stay, learn about the effects of weightlessness on the body.
How Weather Works
science.howstuffworks.com/nature/climate-weather/atmospheric/weather.htm
Weather is the state of the atmosphere, rather than something that only affects your area. Read more about weather and the complex system behind it.