Nice introduction to biometrics

Biometrics: New IDs that are uniquely you (Student Science)

Rapidly and accurately identifying people is useful. The police sometimes use biometric technology to ID criminals, disaster victims and missing children. Bank tellers may use biometrics to verify the identity of anyone attempting to withdraw money from an account. Because of the usefulness of biometric technology, governments are starting to include fingerprint and other biometric data in driver’s licenses, ID cards and passports.

Research on biometrics is advancing rapidly. Here we meet researchers behind three teams developing new ways to ID people.