Everyone is colonised by millions of bacteria both inside and outside the body. The makeup of these colonies is unique to the individual. The typical person carries about 150 species of bacteria on their hands but any two given people will only share about thirteen of those species. For this study the researchers swabbed computer keyboards of volunteers and found that they left a trail of unique bacteria. When attempting to identify who had been using a keyboard or mouse the technique was between 70 and 90 per cent accurate. When left out in the open for two weeks the bacteria did not breakdown. The technique is possible due to advances in DNA sequencing and could aid in crime investigation. Incidentally, if you are planning a heist but intend washing your hands before to leave no germ-print; your bacterial communities recover within two hours of washing.Meanwhile if you visit Meijer Ad that contains mostly likewise discounts with Winn Dixie Ad you surely have a range like ALDI Ad.