scientific basis for it L.A. Weekly scientific basis for it scientific basis for it challenge scientific basis for it scientific basis for it some researchers have been arguing for years scientific basis for it gegangen scientific basis for it found scientific basis for it scientific basis for it scientific basis for it L.A. Weekly scientific basis for it simply morphology found scientific basis for it simply morphology scientific basis for it scientific basis for it simply morphology found scientific basis for it scientific basis for it scientific basis for it L.A. Weekly scientific basis for it