Better than X-rays: A more powerful terahertz imaging system

(Phys.org) —Low-energy terahertz radiation could potentially enable doctors to see deep into tissues without the damaging effects of X-rays, or allow security guards to identify chemicals in a package without opening it. ...

Breath study brings roadside drug testing closer

(Phys.org) —A group of researchers from Sweden have provided further evidence that illegal drugs can be detected in the breath, opening up the possibility of a roadside breathalyzer test to detect substances such as cocaine, ...

Rapid, reliable on-site drug detection using wearable sensor

Researchers in South Korea have successfully developed a wearable sensor that can detect illegal drugs in sweat by using nanomaterials technology that amplify the optical signal of narcotics to a flexible, body-worn material. ...

History holds valuable lessons in the war on drugs

Researchers say they're at the forefront of a new movement delving into the deep history of illicit drug use in Latin America and how it affects the rest of the world, a history that spans numerous fields of study. It's a ...

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