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How Poetry Works

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Poetry is one of the oldest art forms in existence. Visit HowStuffWorks to learn the ins and outs of poetry.

Have you seen investigators on crime shows who spray some stuff on a "clean" carpet and suddenly -- blood stains! Well, of all the fictional technology on TV, it turns out this stuff is real! Find out how luminol reveals the blood.

What makes evidence inadmissible in court?

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What makes evidence inadmissible in court is determined by the Federal Rules of Evidence. Learn exactly what makes evidence inadmissible in court here.

How Do Doctors' Biases Affect Your Health Care?

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Can doctors' biases affect your health care? Learn how unconscious bias works at HowStuffWorks Now.

12 Amazing WD-40 Uses

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There are thousands of reported uses for WD-40, an aerosol lubricant that's as handy as duct tape. We look at 12 of the more creative ones we've found for this miracle product.

How to Add a New Hard Drive to Your Computer in 8 Steps

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Do you own a computer that is more than a year old? If so, then you may be running out of disk space. Learn how to add a new hard drive to your computer.