UK forensic archaeologist Dr Stuart Black has developed a technique which allows an amazing analysis of hair which allows you to tell how old the owner is and what geographical region they came from, and their diet at the time. This has practical applications in criminal investigations - for example, according to The Daily Telegraph, one of serial killer Ivan Milat's victims was found clutching a handful of hair which has been put aside "pending new science" as tests at the time (a) were non-conclusive as to the hair's owner and (b) destroyed the samples. (There are no reported plans at this stage to have the Milat hairs examined with the new process but Dr Black is reportedly prepared to help if approached.)
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