Could your breath enable your phone to identify you?

'The Five' discusses Apple's new software update allowing users the opportunity to edit and unsend unwanted messages. Facial recognition and fingerprint verification are becoming common security features on our phones and now your breath may be a potential option for biometric security, according to a report published in Chemical Communications. Researchers from Kyushu University's Institute for Materials Chemistry and Engineering worked with the University of Tokyo and have developed an olfactory (smell) sensor that can identify a person by analyzing their breath, the report said. "Recently, human scent has been emerging as a new class of biometric authentication, essentially using your unique chemical composition to confirm who you are," first author of the study, Chaiyanut Jirayupat, said in a release. Bangkok, Thailand - December 12, 2015: Apple iPhone5s held in one hand showing its screen for entering the passcode. Researchers from Kyushu University's Institute for Materials Chemistry and Engineering who worked with the University of Tokyo developed an olfactory (smell) sensor that can identify a person by analyzing their breath, the report said.