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Ideas of beauty has changed through out the years. See 10 ways the definition of beauty has changed.

The thought of terraforming Mars is one of those ideas so outrageous that it just might work! Learn how it will work!

Knowing how to read a tape measure might sound like a simple idea, but it's not as straightforward as you think.

In challenging economic times, people often turn to gold as a hedge against a falling stock market. But is this a good idea?

The idea of planet Nibiru, sometimes dubbed Planet X, has captivated doomsday prophets and conspiracy theorists for decades.

Natural selection is the idea that organisms that are best suited to survive pass their traits down. Is it true that only the strong survive?

The twin towers of the World Trade Center were true originals -- their history is one of innovation, persistence and grand ideas.

Should the weather affect skin care routines? Take a look at ideas and solutions when weather affects skin.

Stay cozy all winter long with these ideas. Learn more about these 35 ways to winterize your home.

Are all theme parties a good idea? Read 5 of the worst birthday party themes at HowStuffWorks Family.

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