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" ... “Synchrotron accelerators” use the very bright light produced by the acceleration of electrons running almost at the speed of light to investigate nanoscale materials, Douglas Galante, one of the paper’s authors and an astrobiologist at the Brazilian Synchrotron Light Laboratory (LNLS), in Sao Paulo, told me. As a result, he says researchers can now perform “nanopalaeontology” and really try to find preserved billion year-old cells inside the rocks. ... "