scientific american - 1994 07 - how cancers defeat drug therapy
scientific american - 1994 07 - how cancers defeat drug therapy
... POLYCULTURE Copyright 1994 Scientific American, Inc. JULY 1994 $3.95 The moon was born when a Mars-size planetoid collided with the young earth. How cancers defeat drug therapy. Re-creating the origin ... of the Þeldwork be- cause many of the men have off-site jobs. SCIENTIFIC AMERICAN July 1994 35 Copyright 1994 Scientific American, Inc. years ago. A judicious cho...
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scientific american - 1993 07 - telling resonable risks from fools' chances
... legalizing drugs in order to re- duce drug- related violence and crime. Bill Clinton rejected that option. Declar- ing that the life of his half brother, Rog- er, had been saved by his arrest for pos- session ... foot-and-mouth dis- ease. For such a strategy to work as a therapy, however, the drugs must change the error rate of only the viral replicase and not of enzymes essential to the ho...
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scientific american - 1994 01 - searching for strange quark matter
... the low-ener- SCIENTIFIC AMERICAN January 1994 73 QUADRUPOLE FOCUSING MAGNETS CERENKOV DETECTOR TIME-OF-FLIGHT DETECTOR VECTOR CHAMBER Copyright 1993 Scientific American, Inc. gy down-quark states ... not happen. The parti- cles that make up all matter must vi- brate, at least a little, all the time. Fol- lowing ordinary logic, then, it would 24 SCIENTIFIC AMERICAN January 1994...
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scientific american - 1994 02 - do aerosols slow climatic warming
... more dis- cussion of the issues raised by genetic screening and more oversight of its de- velopment. Wood reports that leading SCIENTIFIC AMERICAN February 1994 27 Copyright 1994 Scientific American, ... hip lip-shooter find his way through the corridors of power? Laid-Back Leader Rattles the Academy 34 SCIENTIFIC AMERICAN February 1994 CHRIS USHER Black Star Copyright 199...
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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 hav...
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scientific american - 1994 04 - the dilemmas of prostate cancer
... Wilson, shown here with a giant carpenter ant of Borneo. 36 SCIENTIFIC AMERICAN April 1994 Revisiting Old BattleÞelds JASON GOLTZ Copyright 1994 Scientific American, Inc.Copyright 1994 Scientific American, ... Gould, in a review in Na- ture, lauded The Diversity of Life as Òa 38 SCIENTIFIC AMERICAN April 1994 Copyright 1994 Scientific American, Inc.Copyright 1994...
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scientific american - 1994 06 - was there a race to the moon
... Canada. Long-term monitoring is needed to track changes. SARAH LEEN Matrix Copyright 1994 Scientific American, Inc. SCIENTIFIC AMERICAN June 1994 33 I n 1939 a 33-year-old French mathe- matician ... up-down action over some unit of time. Schršdinger managed to extract clas- SCIENTIFIC AMERICAN June 1994 45 Copyright 1994 Scientific American, Inc. sical behavior from his...
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scientific american - 1994 08 - red tides - a growing hazaed
... the chromosomes. Yet this explanation does not apply to SCIENTIFIC AMERICAN August 1994 19 Copyright 1994 Scientific American, Inc. Anti-omniscience An eclectic gang of thinkers pushes at knowledgeÕs ... extreme ultraviolet obser- vatory still sending streams of new re- sults back to the earth. SCIENTIFIC AMERICAN August 1994 39 DEEP-SURVEY TELESCOPE and spectrometers are bei...
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scientific american - 1994 09 - conquering lyme disease
... budget, way behind SCIENTIFIC AMERICAN September 1994 23 Copyright 1994 Scientific American, Inc. schedule and eating into the base pro- gram. I have received hundreds of let- ters from the science ... appendix explains how to cross- reference ICD-IX and ICD-X codes. So why does DSM-IV use codes from an earlier version of ICD? ÒIt may take another seven years before ICD-X stan- d...
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scientific american - 1994 10 - special issue - life in the universe
... HEAVIER- THAN-AIR FLIGHT THEORY OF RELATIVITY COMMUNICATIONS SATELLITE TRANSISTOR Copyright 1994 Scientific American, Inc. Copyright 1994 Scientific American, Inc. SCIENTIFIC AMERICAN October 1994 ... Holloway 40 SCIENTIFIC AMERICAN October 1994 Interpretations are a good mental exercise, but people get so hot and nasty about it. Copyright 1994 Scientific America...
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