Yep. Rapper DMX will be going glove to glove with former neighborhood watchman George Zimmerman — you know, the guy who was recently acquitted of murdering Trayvon Martin. The fight is ...

A laser is a very thin, focused beam of light that heats and destroys tissue. Lasers can focus very accurately on tiny areas. Doctors can use lasers: instead of blades (scalpels) for surgery to heat ...

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