According to Sohu.com, China's new ID Card will track DNA information, location and more. 

Perdue University researchers are working on technology that could enable users to replace passwords with iris or fingerprint scans, The Associated Press reports.

The researchers are testing emerging biometric technologies for weaknesses in the basement lab of Perdue University’s International Center for Biometrics Research. Iris and fingerprint scans, as well as facial and voice recognition, are just a few of the tools that could eliminate the need to frequently change passwords.