scientific american - 1999 03 - when venus erupted
scientific american - 1999 03 - when venus erupted
... Agency Start fidgeting Copyright 1999 Scientific American, Inc. News and Analysis28 Scientific American March 1999 W hen dozens of rotting, headless, three-quarter-ton walrus carcasses started showing ... being per- formed by Monsanto —often with ad- miring publicity. In December, an up- roar swept India when rumors cir- culated that Mon- santo had insert- ed a “terminator” gene i...
Ngày tải lên: 12/05/2014, 15:56
scientific american - 1993 03 - black holes and the centrifugal force paradox
... is also a con- sequence of the bending of light. . Copyright 1993 Scientific American, Inc. SCIENTIFIC AMERICAN March 1993 75 Copyright 1993 Scientific American, Inc. 78 SCIENTIFIC AMERICAN March ... glu- tamate stimulates additional NMDA re- SCIENTIFIC AMERICAN March 1993 29 Copyright 1993 Scientific American, Inc. ceptors, increasing the potential for neu- rotoxicity, B...
Ngày tải lên: 12/05/2014, 14:49
scientific american - 1994 03 - visiting yourself in the past
... predictions. Copyright 1994 Scientific American, Inc.Copyright 1994 Scientific American, Inc. 20 SCIENTIFIC AMERICAN March 1994 In the ÒnaiveÓ quark model, one of the three quarks spins in a direction oppo- site ... Mukerjee Copyright 1994 Scientific American, Inc. SCIENTIFIC AMERICAN March 1994 21 membranes surrounding neurons. Pet- tegrew thinks schizophrenics have an impai...
Ngày tải lên: 12/05/2014, 14:54
scientific american - 1995 03 - can science cure crime
... CRAWFORD Copyright 1995 Scientific American, Inc. G etting rid of the long-lived, ra- dioactive by-products of nucle- ar power is a problem that has stalked the industry for its 40-year his- toryÑand the ... (800) 77 7-0 444. ScientiÞc American- branded products available. For free catalogue, write Sci- entiÞc American Selections, P.O. Box 11314, Des Moines, IA 5034 0-1 314, or call...
Ngày tải lên: 12/05/2014, 15:00
scientific american - 1996 03 - revealed - spy photo secrets
... 18 SCIENTIFIC AMERICAN March 1996 tion under way in the rem- nant of supernova 1006, this process probably oc- curs in other young super- nova remnants,Ó notes Rob- ert Petre of the ... that arid ice-age con- ditions had broken the Amazonian rain forest into several separate blocks. Haf- fer, a professional geologist and ama- teur bird-watcher, proposed that the ice-age drying ... materia...
Ngày tải lên: 12/05/2014, 15:06
scientific american - 1997 03 - the rising seas - how much of a threat
... Schneider News and Analysis22 Scientific American March 1997 Copyright 1997 Scientific American, Inc. News and Analysis24 Scientific American March 1997 T he first time that paleontolo- gist Olivier Rieppel ... of the exhaust noise creat- ed by high-performance jet engines. This noise has prevented widespread use of super- sonic passen- ger aircraft. Current de- signs for mini- mizi...
Ngày tải lên: 12/05/2014, 15:21
scientific american - 1998 03 - inside a virtual human
... “No; it was very expensive,” he explains. At Dolphin on West 19th, I met Fabi- an, a six-foot-tall, 258-pound, 34-year- old professional wrestler who lifts five times a week. In Fabian’s mind, Fabian is ... pounds.” The one content lifter I met was at Johnny Lats Gym, a 24-hour-a-day hard- core joint on East 17th. Kevin, a 27-year- old bodyguard, stands 6 feet, 6 inches tall and weighs 290 pou...
Ngày tải lên: 12/05/2014, 15:34
scientific american - 1999 01 - revolution in cosmology
... and Analysis44 Scientific American January 1999 CYBER VIEW Out of Site DAVID SUTER Copyright 1998 Scientific American, Inc. Revolution in Cosmology Scientific American January 1999 45 A t a conference ... page. Surveying Space-time with Supernovae Scientific American January 1999 47 Supernovae Copyright 1998 Scientific American, Inc. Hubble and other pioneers estimate...
Ngày tải lên: 12/05/2014, 15:51
scientific american - 1999 02 - a fractual walk down wall street
... SERVICES Copyright 1999 Scientific American, Inc. FEBRUARY 1999 $4.95 www.sciam.com How Limbs Develop High Blood Pressure in African-Americans Spaceships: The Next Generation Copyright 1999 Scientific American, ... as Ken- newick Man, Stanford will, when neces- sary, force the issue. The strong-willed loner aspect of Stan- ford dates back to his grade-school days. “My school was...
Ngày tải lên: 12/05/2014, 15:53
scientific american - 1999 04 - endless space (maybe not)
... “because we’re trying to take 200 million Americans with us.” —Glenn Zorpette News and Analysis Scientific American April 1999 47 Copyright 199 9Scientific American, Inc. GEMINI: A NEW EYE OPENS ... giant light-col- lecting machines in- clude another Mauna Kea resident, the Gemini North Obser- vatory, backed by the U.S. and six other na- tions, which is near- ing its own first-light i...
Ngày tải lên: 12/05/2014, 15:56