Science: v.1-v.219

acetaldehyde acid activity alleles Amer amino acid animals antigens antiserums atoms axon basalt Biochem Biol biology blood brain cannabinoids cells changes Chem chemical colicin concentration Cryobiology culture dose drug effect electron enzyme ethanol experiments field formation function genetic heat HL-A human ibid illus imipramine increase indicate inhibition injection Institute laboratory logical lymphocytes measured mechanism membrane ment metabolism mice Mid-Atlantic Ridge minutes Miocene molecular molecules Nalgene National norepinephrine observed oceanic ochratoxin Oligocene peptide percent phage Phobos Phys physics Physiol plants porphyrin Press problem Proc produced proline protein pyrrhotite range rats reactions References and Notes reported response ridge sample Science sediments serum solution specific stimulation structure suggested surface synthesis Table temperature theta rhythm tion tissue tive ture Univ University valinomycin York