mcdaniel@uiuccsb.UUCP (05/06/84)
#N:uiuccsb:32000008:000:2375 uiuccsb!mcdaniel May 5 19:19:00 1984 ARTICLES STEEL MINIMILLS, by Jack Robert Miller 32 Plants that make steel only from scrap and then distribute their products locally are doing well. OCEANIC FRACTURE ZONES, by Enrico Bonatti and Kathleen Crane 40 They complicate the schematic pattern of plate tectonics by dissecting the edges of the plates. HOW RECEPTORS BRING PROTEINS AND PARTICLES INTO CELLS, by Alice Dautry-Varsat and Harvey F. Lodish 52 They do so with high selectivity and are then recycled. TURING MACHINES, by John E. Hopcroft [!!!!!] 86 A. M. Turing's conception is central to the modern computer and sets the limits of computability. PARASITES THAT CHANGE THE BEHAVIOR OF THEIR HOSTS, by Janice Moore 108 [Janice Moore, Janice Moore, galloping through the sward . . .] For example, certain thorny-headed worms cause pill bugs to be more vunerable to songbirds. THE INFLATIONARY UNIVERSE, by Alan H. Guth and Paul J. Steinhardt 116 A region of space larger than the observable universe may have been inflated after the big bang. AN INDIAN HUNTERS' CAMP FOR 20,000 YEARS, by J. M. Adovasio and R. C. Carlisle 130 Excavations in Pennsylvania bear on when men first entered the New World. ISLAND EPIDEMICS, by Andrew Cliff and Peter Haggett 138 The study of how measles spreads in Iceland could help to limit epidemics in larger populations. DEPARTMENTS LETTERS 6 50 AND 100 YEARS AGO 11 THE AUTHORS 12 COMPUTER RECREATIONS 14 In the game called Core War hostile programs engage in a battle of bits. [This one is fun.] BOOKS 24 "The Great Mental Calculators: The Psychology, Methods, and Lives of Calculating Prodigies, Past and Present", Steven B. Smith; "The Physics and Chemistry of Color: The Fifteen Causes of Color", Kurt Nassau; "Black Apollo of Science: The Life of Ernest Everett Just", Kenneth R. Manning; "World Vegetables: Principles, Production and Nutritive Values", Mas Yamaguchi. SCIENCE AND THE CITIZEN 62 Man or Mouse? [animal experimentation issues], Cosmic Catalysis [monopole could catalyze proton decay], Multifactorial Mortality [deaths usually have several causes], Spot Check [sunspot data help solar model development], Dem Bones [Napier's lead to adding machines]. THE AMATEUR SCIENTIST 148 In which heating a wire tells a lot about changes in the crystal structure of steel. BIBLIOGRAPHY 154