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Science | Physical Science | Forensic Science

Forensics is the examination, through physical evidence, of a criminal event or incident. Learn about the various types of forensic disciplines and how they are used to bring the guilty to justice.

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Could someone really find a mummy in his backyard?

I was watching a movie the other night and the main character found a mummy in his backyard. Does this really happen? Could someone find a mummy in his backyard?


How does a lie detector (polygraph) work?

 How does a lie detector (polygraph) work?

A lie detector, or polygraph, monitors several physical reactions in the person undergoing the test. Learn how lie detectors work. See more »

Can you explain the diameter measurements used in bullets, wire and nails?

 Can you explain the diameter measurements used in bullets, wire and nails?

Bullet size is measured in calibers, but how are wires and nails measured? Learn about bullet size and caliber in this article. See more »