A science blog with news and views from science writer David Bradley. Everything from astronomy to zoology by way of biomedicine, chemistry, and nanotechnology, as well as photos from his flickr account and tips from his blogging tips site.
New spy gear: reflex biometric technology

Shared by David Bradley
Unspoofable biometrics
This is the stuff that spy movies are made of: digital fingerprints, signature recognition, iris scanning software, and so on.  These days, even…