Nov 23, 2010
"A new forensic test can estimate a person's age, to within nine years, from blood at the scene of a crime."
Sep 28, 2010
"Ears don't change shape, grow hair or wear disguises. They are the perfect means of identification."
Jul 23, 2010
"FBI laboratory chief is optimistic despite severe criticism and challenges ahead."
Jun 30, 2010
"Moscow communicated with a ring of alleged spies in America by encoding instructions in otherwise innocent-looking images. It's one of a slew of high-tech and time-tested methods that the agents used to pass and receive information — from private Wi-Fi networks to buried paper bags."
Mar 16, 2010
"The communities of bacteria on your skin may transfer to your keyboard and mouse, creating a unique, living marker of your identity."