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Which Movie Couple Are You and Your Significant Other?

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Many movie couples have shown us what we should look for in a relationship. Take this quiz to find out which famous duo you and your significant other most closely resemble!

That's Not the Aurora Borealis, That's Just STEVE

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Sometimes hundreds of people armed with high-tech cameras can make amazing scientific discoveries, as in the case of STEVE.

Are Skittles 'Unfit for Human Consumption'? A Lawsuit Says Yes

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Taste the rainbow or a dangerous additive? Skittles contain titanium dioxide, which some say causes health problems in humans. So, why is it still on the ingredient list?

How Swimming Pools Work

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Swimming pools provide a refreshing way to cool off on a hot summer day. Check out the different types of swimming pools and learn about the filtration process.

How Aliens Work

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Alien life forms would probably differ from those on Earth but still adhere to certain principles. Learn about astrobiology and the search for alien life forms.

How Laundry Detergent Works

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The average American family does 300 loads of laundry a year. That's a lot of laundry detergent! Learn all about laundry detergent in this article.

What's a uranium centrifuge?

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Iran has announced its activation of a second set of uranium centrifuges. These machines are at the core of the uranium-enrichment process. Find out where the centrifuge fits into the equation.

Are creams and lotions different?

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Are creams and lotions different? Visit HowStuffWorks to learn if creams and lotions are different.

How does humidity affect a man's hair?

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How does humidity affect a man's hair? Visit Discovery Fit & Health to learn how humidity affects a man's hair.

How are engine friction and gas mileage related?

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An engine oil analysis may help diagnose car problems. Learn how engine friction and gas mileage are related at HowStuffWorks.

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