Science: Universal Bacteria?

Guessers about the origin of life on Earth last week hearkened when a distinguished Californian announced the discovery of bacteria in meteorites. For lack of precise facts, some guessers have placed life, with meteors, sunshine, starshine and cosmic rays, as an extramundane intrusion. Professor Charles Bernard Lipman, the booming, moon-faced plant-physiologist who is dean of the University of California's graduate division, now thinks such guessers have been correct. From several sources he acquired meteorites (meteors which landed intact on Earth). These he doused, scrubbed, seared and otherwise sterilized, then pulverized in...