scientific american - 1996 10 - hell''s cells

... your breath. —Philip Yam News and Analysis Scientific American October 1996 37 Copyright 1996 Scientific American, Inc. E uropean governments are dis- covering the Internet, and they aren’t too ... in London News and Analysis40 Scientific American October 1996 CYBER VIEW Television by Any Other Name DAVID SUTER Copyright 1996 Scientific American, Inc. OCTOBER 1996 $4....

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... pro- vide individual investors with the same sophisticated analysis tools used by pension-fund managers. The company launched its $60-a-year, consumer- advice service in June. Similar to large-scale weather ... testing, Financial Engines em- ploys simulation mod- els to forecast how a 401(k) portfolio is likely to perform un- der possible combina- tions of interest, equi- ty returns and infla...

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... mil- lion person-days of restricted activity, 65 million person-days of chest discom- fort, 100 million person-days of head- ache, 120 million person-days of cough- ing, 180 million person-days ... Ross 28 SCIENTIFIC AMERICAN October 1993 BUGS INSIDE BUGS: Raœl J. Cano and an amber-clad, bacteria-laden insect. STEVE STARR SABA Copyright 1993 Scientific American, Inc. O ne might expec...

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... 330 REDSHIFT 0.50 DENSITY 0 .10. 01 RELATIVE ABUNDANCE 1.0 1.0 10 -2 10 -4 10 -6 10 -8 10 -1 0 HELIUM HELIUM 3 LITHIUM DEUTERIUM Copyright 1994 Scientific American, Inc. would still be detectable in the existing universe. D espite ... DNA POWERED, HEAVIER- THAN-AIR FLIGHT THEORY OF RELATIVITY COMMUNICATIONS SATELLITE TRANSISTOR Copyright 1994 Scientific American...

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... scientiÞc, legal and public atten- tion it can get. ÑKristin Leutwyler 30 SCIENTIFIC AMERICAN December 1994 Copyright 1994 Scientific American, Inc. 32 SCIENTIFIC AMERICAN December 1994 M athematicians ... into ac- The No-Name Virus Questions linger after the Four Corners outbreak Copyright 1994 Scientific American, Inc. 36 SCIENTIFIC AMERICAN December 1994 A thin layer of...

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... diphtheria-tetanus-pertussis and mea- sles-mumps-rubella are required for public school ad- mission. The chicken pox vaccine may join the list. JOHN CHIASSON Gamma Liaison Copyright 1995 Scientific American, ... Liaison DAN BURTON Copyright 1995 Scientific American, Inc. keen appreciation that magnetic con- taminants were common in the labora- tory. They could even be traced to fac- to...

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... two weeks ago, we know.Ó ÑCorey S. Powell SCIENTIFIC AMERICAN January 1996 23 Copyright 1995 Scientific American, Inc. 24 SCIENTIFIC AMERICAN January 1996 C hecking water quality was once a simple ... OGDEN Copyright 1995 Scientific American, Inc. SCIENTIFIC AMERICAN January 1996 31 easily destroyed. Moreover, some theo- rists raised certain technical objec- tions, nam...

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... while there ex- ists an acute need for health care by so many Americans, remains diÛcult to swallow. ÑDavid Schneider SCIENTIFIC AMERICAN February 1996 21 Copyright 1996 Scientific American, Inc. S chizophrenia ... 35 5-0 408. Index of articles since 1948 available in electronic format. Write SciDex  , Scien- tiÞc American, 415 Madison Avenue, New York, NY 100 1 7-1 111, fax...

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... 18 SCIENTIFIC AMERICAN March 1996 tion under way in the rem- nant of supernova 100 6, this process probably oc- curs in other young super- nova remnants,Ó notes Rob- ert Petre of the ... INSTITUTE Copyright 1996 Scientific American, Inc. 36 SCIENTIFIC AMERICAN March 1996 A new cryptanalytic attack has shaken conÞdence in the securi- ty of some very popular encryp- tion sche...

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... software de- News and Analysis Scientific American April 1996 35 Copyright 1996 Scientific American, Inc. APRIL 1996 $4.95 NANOTECHNOLOGY • FINDING EARTH-LIKE PLANETS • CHORNOBYL AFTER 10 YEARS S MART R OOMS : THEY ... 24 JOHN BIGELOW TAYLOR Art Resource 26 Scientific American April 1996 SA Copyright 1996 Scientific American, Inc. News and Analysis28 Scientific A...

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