Researchers at the University of Surrey have developed a tool that can determine whether someone has used heroin, even if they have washed their hands. Image Credit: ktsdesign / Shutterstock.com The ...

A revolutionary drug test can detect amphetamines, cannabis, cocaine and opiates from the sweat of single fingerprint sample in just 10 minutes. The research shows that the technology works on both ...

A revolutionary drug test developed from research carried out at the University of East Anglia can detect four classes of drugs in traces of sweat found in a fingerprint. And the technology works on ...