Researchers point out that the resistance of these microorganisms could accidentally bring to earth dangerous extraterrestrial organisms. NASA scientists have discovered in the crystals of the cave of Naica in Chihuahua, the existence of living organisms with 60,000 years, a finding that worries experts who prepare trips to collect samples on other planets. Apparently, these strange microorganisms survived for so many years by feeding on sulfite, manganese or copper oxide, said Penelope Boston, head of NASA’s Astrobiology Institute at a conference at the American Association for the Advancement of Science (AAAS) this weekend in Boston. “This discovery has important implications …