Scientists at the University of California, Los Angeles, say they’ve discovered a microorganism that hasn’t evolved in more than two billion years — the longest ever absence of evolutionary evidence in a single species. Researchers say the deep sea creature — whose evolutionary stasis is detailed in the journal PNAS doesn’t disprove evolution so much as bolster Darwin’s case. “The rule of biology is not to evolve unless the physical or biological environment changes, which is consistent with Darwin,” lead study author J. William Schopf, a professor of earth, planetary and space sciences at UCLA. SNIP Schopf says it is...
