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How does a video-game light gun work? How does the game know where the gun is aiming?

A Scorpio born November 1, symbolized by the Scorpion, is constantly striving for success. Learn more about November 1 birthday astrology.

A Capricorn born January 4 is symbolized by the goat and has a quirky and sympathetic nature. Learn about January 4 birthday astrology.

An Aquarius born January 23 is symbolized by the Water Bearer and has a hard-headed realist nature. Learn about January 23 birthday astrology.

A Cancer born July 22 is symbolized by the Crab and has a smart wit and edgy charm. Learn about July 22 birthday astrology.

A Leo born August 12 is symbolized by the Lion and has a great deal of artistic talent. Learn about August 12 birthday astrology.

Cold showers can improve your skin, your circulation, your sperm count and maybe your hair. Learn more about taking a cold shower for your health.

Not only does LEGO think "Everything Is Awesome," but it also thinks "Everyone Is Awesome", too.

You can plant a pine tree from a seed or from a sapling. Learn how to plant a pine tree in this article.

Ray Kurzweil predicts that the singularity (artificial intelligence surpassing human intelligence) will happen by 2045. Learn more at HowStuffWorks.

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