Stock Photo - 19 September 2018, Bremen: ATTENTION: THIS ARTICLE MAY NOT BE PUBLISHED BEFORE THE BLOCKING PERIOD, 20 SEPTEMBER 8 P.M.! A BREACH OF THE EMBARGO COULD SEVERELY RESTRICT REPORTING ON STUDIES. Benjamin Nettersheim (r) and Christian Hallmann work in a laboratory. Both scientists are co-authors of an investigation by scientists from Germany, Australia and Russia into Dickinsonia, one of the oldest known animals. Photo: Carmen Jaspersen/dpa. - Bremen/Bremen/Germany

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