Examples of biometric traits. Examples of biometric traits. (A) Fingerprints, palm prints, hand vasculature, hand shape and signature. (B) Face, DNA, sclera (on the eyeball), ear shape and typing patterns (keystroke dynamics). (C) Teeth (forensic odontology), gait, voice or speech, iris and retina. Some of these traits—fingerprints, palm prints, face, voice, teeth, ear shape and DNA—are also used in forensics. Reproduced with permission from: Jain AK, Ross A (2015) Bridging the gap: from biometrics to forensics. Phil Trans R Soc B 370: 20140254. Andrea Rinaldi EMBO Rep. 2016;17:22-26 © as stated in the article, figure or figure legend