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Without a doubt, Einstein was a genius. They're easy to spot, but it's difficult to explain exactly what makes a person a genius. Learn why.

Grow houses are homes devoted to growing marijuana. Learn why grow houses may be in your neighborhood, especially if you live in Cali or Vancouver.

It's time to rethink everything you know about wearing wool. HowStuffWorks explains why wool is surging as the fiber for swimwear.

The Bible is full of numbers that often get repeated, like 7, 12 and 40. Why is this and do these numbers have any special hidden meanings?

Why is bamboo flooring such a popular choice in home interiors? Learn how bamboo flooring works and whether it's really an eco-friendly option.

January's moon is called the wolf moon, but it's also known as the center moon and the freeze up moon (among other names). Here's why.

You may have seen an expiration date on your bottle of water, but why? Can a natural substance like water really go bad?

Corsets are notorious for discomfort. What are they? Who wears them? And why would they? Read all about corsets at HowStuffWorks.

Pilates is a fitness system that was developed in the 1920s by Joseph Pilates. Learn more about Pilates and find out why Pilates is so successful.

What keeps concept cars from making it to market? Find out why so many concept cars never make it to the dealer's lot.

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