18251. An Inexpensive Narrow Pass Filter for 254 mu Ultraviolet (Iodine-Methyl Cellulose)

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18252. An Illustrious Scientist's Life, Recounted With A Lyric Touch [Review of "The Statue Within: An Autobiography" by Francois Jacob]

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18253. An Experiment on the Diffusion of Salmonella Cell Suspensions Through Filter Paper Strips

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18254. An Asteroid Into the Sun May Have Glazed Moon Rock

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18255. An Artificial Intelligence Directed Analysis of Regional Survey Data in Archaeology

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18256. An Appraisal of POSTS as an Interdisciplinary Effort

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18257. An Analysis of the History of Infectious Nucleic Acids

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18258. An Algal Regenerative System for Single-Family Farms and Villages

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18259. An Affirmation

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18260. An Ache to Learn

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18261. Ample Evidence for Taking the Lead Out of Gasoline

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18262. Alphabetical table of correspondence in M. Demerec Papers

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18263. Allelic Relationships and Reverse Mutation in Escherichia coli

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18264. Algorithm For Finding a Hamilton Circuit of a Cyclic Graph

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18265. Air Quality Standard for Lead: Environmental Health Aspects

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18266. Air Pollution: The Threat is Now

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18267. Air Pollution Ingredients Are Suspect for Mutation

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18268. Aims of Biological Research in Space Exploration

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18269. Agrobacterium (pages 51-60)

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18270. Agrobacterium (pages 26-50)

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18271. Agrobacterium (pages 1-25)

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18272. Agrobacterium

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18273. Agreement Between MGH and Hoechst A. G. Concerning Financial Support Provided by Hoechst A. G. for the Establishment and Operation of a Department of Molecular Biology [Executive Summary]

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18274. Agglutination of Motile Salmonellas by Acridines

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18275. Agenda of the Eighth International Conference on the Unity of the Sciences

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18276. Agenda for the Meeting between CISAC and the Academy of the Sciences of the U.S.S.R. in April 1994

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18277. Agenda and background for agenda for the meeting of CISAC's Executive Group

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18278. Agenda and Minutes of the American Society of Human Genetics--Special Issues Committee

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18279. Affidavit on the potential hazards of chemical and radiation-induced mutation

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18280. Address by Lederberg upon winning the 1953 Eli Lilly Award

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18281. Address by Lederberg for the Hoffman-La Roche Inc. Distinguished Lecturers Series

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18282. Address by Lederberg at the Agnelli Foundation in Turin, Italy

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18283. Address at the Brown University freshman convocation, Class of 2000

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18284. Address at the Bloomberg School of Public Health convocation, Class of 2001

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18285. Additives Shouldn't Harm Even One in Million

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18286. Additional Data on Transductions of 'Fla' and 'H' Factors From Single Phase Cultures of Sal[monella] abony (SW803 Fla+ b:enx) to Sal[monella] typhimurium (SW1157 Fla- I:1,2)

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18287. Addendum to "Genetic Recombination in Bacteria: A Discovery Account"

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18288. Adayapalam T. Ganesan: 1932-1991

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18289. Adaptive Enzymes

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18290. Activation-Induced Death by Apoptosis in CD4 T Cells from HIV-Infected Asymptomatic Individuals

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18291. Action to Prevent War

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18292. Accumulation in CPM (Experiments 261-264-265-266-269)

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18293. Abstracts for Society of American Bacteriologists' roundtable discussion on enzymology

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18294. Abstract of letter from Carl Sagan summarizing his conversation with G. F. Gause

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18295. Abstract of "Life Before Us: Reflections on CASBS History"

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18296. Abstract adapted from S287b for the American Association for the Advancement of Science (AAAS)

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18297. Abstract adapted from S287 for the American Association for the Advancement of Science (AAAS)

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18298. Abortion and Population Control

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18299. Abiogenic Synthesis in the Martian Environment

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18300. Aberrant Heterozygotes In Escherichia coli

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