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A polygraph test can be passed by manipulating the body's response to control questions. A participant's lies are only considered lies when they register a higher response than control questions. The results can therefor... More »

www.reference.com Science Forensic Science

The only "natural" ways to pass a drug test is to allow sufficient time for drug metabolites to clear the body or to dilute the urine by drinking excess water. Insufficient evidence exists to prove that natural "detox" p... More »

www.reference.com Health

According to a National Security Agency (NSA) whistle-blower, Russell Tice, it is possible to beat a polygraph by skewing the initial data and forcing strong reactions in response to known lies. He also suggests daydream... More »

www.reference.com Government & Politics Law Enforcement
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Most home formaldehyde test kits include a badge or pump for collecting an air sample that is returned to an accredited laboratory for testing. Formaldehyde is of special concern in new or remodeled homes. More »

www.reference.com Science Forensic Science

A buccal swab test is a method of collecting DNA samples. According to the Laboratory Corporation of America, DNA samples are collected by rubbing the inside of the mouth with cotton-tipped swab. Unlike obtaining DNA fro... More »

www.reference.com Science Forensic Science

Regular fingerprinting methods conduct tests and make records of finger and thumb prints of an individual, while DNA fingerprinting tests the deoxyribonucleic acid of a person, which is located within the nucleus of all ... More »

www.reference.com Science Forensic Science

The purpose of embalming is to preserve the tissues in the body and delay decomposition. Many people choose embalming because it helps the body look more life-like for public viewing purposes at a funeral or memorial ser... More »

www.reference.com Science Forensic Science