Can a fingerprint reveal a person's sex? A forensic scientist at the University at Albany says he has made a test to determine with 99 percent accuracy if a fingerprint belongs to a man or woman.

A sophisticated new type of drug test can tell whether a person has taken cocaine by analyzing chemical traces left behind in their fingerprint, scientists say. Researchers from Britain and the ...

A fingerprint test published today in AACC's Clinical Chemistry journal can tell whether someone has taken heroin or cocaine, and accurately distinguishes between drug users versus individuals who ...

Cocaine is a powerful and addictive stimulant made from coca plant leaves, which is native to South America. In the past urine and saliva tests are used to detect cocaine use. Now, a new fingerprint ...