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So what does that mean for good ol' Earth someday?

Snails can't survive without the protective shells they call home. Get the details on how they grow them at HowStuffWorks.

VO2 max is the amount of oxygen your body can use, per kilogram of body weight, per minute. Learn about determining VO2 max.

Do you know how to choose the best bridal bouquet for your personality? Get advice on choosing the perfect wedding bouquet at TLC Weddings.

Any dog lover with allergies knows that the two just don't mix. So where do hypoallergenic breeds come into play? HowStuffWorks explains.

Locusts are just mild-mannered grasshoppers until they swarm up and become monstrous. In parts of the world, locust plagues are a way of life.

Pallas's cats appear cantankerous, in part due to their flat faces and large, owl-like eyes with round pupils.

The Kuiper Belt is a ring around the sun that's home to millions of comets, moons, dwarf planets and other celestial objects. How did they get there?

Every 24 hours, Earth makes a full rotation on its axis. But why does Earth spin in the first place?

With their spiky skins, pineapples may be a bit intimidating, but knowing how to cut a pineapple is simple with these easy-to-follow steps.

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