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Lookalike People In Experiment Look-alikes in the study. (François Brunelle) It appears there's more to a doppelgänger than meets the eye. DNA analyses of 16 look-alike couples have revealed some unrelated people with super similar faces also have similar heights, weights, habits, and behaviors. Human resemblance, it would seem, is more than just skin deep. In the study, 3 different facial recognition algorithms were tasked with scoring the likeness of 32 look-alikes pairs; half were classified as doppelgängers by all 3 algorithms. Researchers then conducted genetic analyses and found 9 pairs of "ultra" look-alikes. Together, these super doppelgängers share 19,277...

A new method of establishing hair and eye colour from modern forensic samples can also be used to identify details from ancient human remains, finds a new study published in BioMed Central’s open access journal Investigative Genetics. The HIrisPlex DNA analysis system was able to reconstruct hair and eye colour from teeth up to 800 years old, including the Polish General Wladyslaw Sikorski (1881 to 1943) confirming his blue eyes and blond hair.A team of researchers from Poland and the Netherlands, who recently developed the HIrisPlex system for forensic analysis, have now shown that this system is sufficiently robust to...