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Sweat could soon unlock your phone

Sweat is so unique it could one day be used to access smartphones in the same way we use a fingerprint or our faces. Amino acids in our “sweat print” could be used to identify someone wearing a mobile or wearable device, researchers have claimed. It could prove to be one of the most secure ways to hide your secrets on your phone as a sweat profile is a lot harder for scammers to operate. Assistant Professor Jan Halamek at the University at Albany, who co-authored a study into the possibility, said: “The sequence of the unlocking mechanism will be based on complex biological systems that cannot be ascertained by anyone other than the device’s owner.” It might sound totally bizarre, but Halamek reckons it could become a reali ...