Photo: Body odor is the new fingerprint. Learn how your stink can be used for security: http://oak.ctx.ly/r/1kllj

Many driver’s licenses and passports have holograms and other types of sophisticated security embedded in them, but for the most part, people still heavily rely on ID cards to prove who they are.

http://www.livescience.com/47448-cool-new-identification-technologies.html?cmpid=514631_20140820_30119786