Science: v.1-v.219

acid activity American animals appear applications Association band cells Center complete containing continuous culture December Department determined direction discussion effect electron energy experiments field function given growth important increase indicated Institute interest Laboratory less light major means measure meeting ment method Michigan Nature normal Notes object observed obtained occur operation optical organic percent period physical Pleistocene position possible present preside Press problem produced protein radiation range recent References relatively reported Research response ridge sample School Science scientific Service shown similar Society solution species structure studies suggested surface Table temperature tion United Univ University Washington York