Fingerprints patterns are of three types: arches, loops and whorls, and loops are the most common pattern, being found in 65 to 70 percent of all fingerprints. In this pattern, ridges or curved lines enter from one side ... More » Science Forensic Science

Fingerprints are formed in the womb when the basal layer of skin grows faster than the layers above and below it, stressing it and causing it to wrinkle. The variations of whorls, arches and loops this creates are unique... More » Science Human Anatomy

Scientists aren't sure what purpose fingerprints serve. Research on the subject of fingerprints suggests that they may improve the sense of touch. Other wrinkles on the human body occur from bending and stretching of the... More » Science Human Anatomy Organs
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No scientific methods can determine the length of time for which a fingerprint lasts on an object. There are many factors that determine how long a fingerprint lasts on any surface or object, with environmental condition... More » Science Forensic Science

Creating your own DNA fingerprint helps you to learn about DNA. This process takes about an hour to put together and overnight to set. You need a DNA sample, beakers, a laboratory, restriction enzymes, a gel tray, an ele... More » Science Forensic Science

Each human has a unique set of fingerprints, and every person will have the same unique prints for their entire lives. The length of time a print lasts on a specific object depends on the object's surface characteristics... More » Science Forensic Science

Blood spatter analysis is a forensic science involving the study of bloodstain patterns that criminologists use to reconstruct the events of a suspected crime. Analysts examine subtle factors such as the placement, shape... More » Science Forensic Science