Author: Hoi-Ying Holman

With infrared light, forensic investigators can tell you whether a document is a forgery or whether paper currency is counterfeit. They can take a paint chip and tell you the make, model, and age of a car. Now the boundaries of infrared forensics are being pushed into uncharted territories by researchers at Lawrence Berkeley National Read More …

Seventy-five meters beneath the surface of a site in Idaho where radioactive waste has been stored for more than 40 years, microorganisms living in the pores and crevices of dry basaltic rock are able to reduce a toxic form of chromium to a much less toxic form — and they do so faster in the Read More …