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What If an Asteroid Hit Earth?

science.howstuffworks.com/nature/natural-disasters/asteroid-hits-earth.htm

There are obvious craters on Earth (and the moon) that are evidence of a long history of massive objects hitting planet Earth. But what would happen if an asteroid hit Earth today?

Gun Pictures

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These gun pictures show you some of the different types of guns. Check out these gun pictures.

Snake Plant: A Great Plant for People Who Aren't Great With Plants

science.howstuffworks.com/life/botany/snake-plant.htm

Snake plants are attractive and virtually ironclad houseplants, almost impossible to kill, though some of the hype about them acting as air purifying filters has been overblown.

How can studies on rats apply to humans?

science.howstuffworks.com/innovation/scientific-experiments/studies-rats-apply-humans.htm

Rats! They're just like family. Evolutionarily, anyway. So when it comes to research and biomedical study, what can they do for us?

Corresponding Angles: A Fundamental Geometry Concept

science.howstuffworks.com/math-concepts/corresponding-angles.htm

Corresponding angles are what you get when two parallel lines are crossed by a third line, creating angles that have the same relative position at each intersection. They're easy to find once you know what to look for.

What Did Your Address Look Like 250 Million Years Ago?

science.howstuffworks.com/environmental/earth/geophysics/what-did-your-address-look-like-250-million-years-ago.htm

The Ancient Earth visualization map shows the movement of the planet's tectonic plates in a really cool way.

What's the Zone of Silence?

science.howstuffworks.com/science-vs-myth/unexplained-phenomena/zone-silence.htm

The Zone of Silence is Mexico's own Bermuda Triangle, a place where radio signals don't work and an alien might just turn up. But what is the real story behind it?

How Do Stars Form? A Stellar Journey from Dust to Dazzle

science.howstuffworks.com/how-are-stars-formed.htm

How are stars formed? In this article we'll explain stars and learn how stars are formed.

How Can Minus 40 Fahrenheit Equal Minus 40 Celsius?

science.howstuffworks.com/math-concepts/minus-40-equal.htm

There are two different scales of measuring temperature on Earth, but they merge at just one very cold number.

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