... other (515) 247-7631 Printed in U.S.A SCIENTIFIC AMERICAN JANUARY 2003 COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC SA Perspectives Walk down the average American street, and you won’t pass many adults ... SCIENTIFIC AMERICAN JANUARY 2003 COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC GREG WHITESELL Self and Circuitry On the Web How toContactUs For Letters to the Editors: Letters to the Editors Scientific American ... get eaten away Their lips By Nick Lane 38 SCIENTIFIC AMERICAN JANUARY 2003 COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC Molecular Mechanisms of porphyria and...
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... findings appear in the January 29 Journal of the American Chemical Society — Charles Choi SCIENTIFIC AMERICAN MARCH 2003 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC AARON HAUPT Photo Researchers, Inc ... Lacking, RCED-94-190: www.gao.gov www.sciam.com SCIENTIFIC AMERICAN COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC 69 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC The bone decay of osteoporosis can cripple, ... for why we should believe them THE EDITORS editors@sciam.com 12 SCIENTIFIC AMERICAN MARCH 2003 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC GRETCHEN ERTL AP Photo Last year, as has been widely reported,...
... SCIENTIFIC AMERICAN DIGITAL Access every issue of Scientific American magazine from 1993 to the present SUBSCRIBE TODAY! www.sciamdigital.com SCIENTIFIC AMERICAN APRIL 2003 COPYRIGHT 2003 SCIENTIFIC AMERICAN, ... www.neutrinooscillation.org www.sciam.com SCIENTIFIC AMERICAN COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC 49 50 SCIENTIFIC AMERICAN COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC By Robert Langer ILLUSTRATIONS ... SCIENTIFIC AMERICAN APRIL 2003 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC REUTERS NEWMEDIA, INC Corbis news GEOCHEMISTRY news SCAN Foiling a Faint Sun HUNGRY BACTERIA MAY HAVE WARMED AN ANCIENT EARTH BY SARAH...
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... failures, RECOVERY– 54 SCIENTIFIC AMERICAN COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC – ORIENTED computing returns service faster SCIENTIFIC AMERICAN COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC 55 WHOSE FAULT ... Papadimitriou MIT Press (in press) www.sciam.com SCIENTIFIC AMERICAN COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC 61 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC PANDORA’S BABY In vitro fertilization was ... and Canada (800) 333-1199; other (515) 247-7631 Printed in U.S.A SCIENTIFIC AMERICAN JUNE 2003 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC SA Perspectives In 2001 more than 6,000 people in the U.S...
... Series, Vol 289; 2003 Available at arXiv.org/abs/astro-ph/0211161 www.sciam.com SCIENTIFIC AMERICAN COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC 41 COUNTING COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC Last ... Scientific American from 1993 to the present Exclusive online issues for FREE (a savings of $30) Subscribe to Scientific American DIGITAL Today and Save! JULY 2003 COPYRIGHT 2003 SCIENTIFIC AMERICAN, ... SCIENTIFIC AMERICAN JULY 2003 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC REUTERS/CHINA PHOTO Three Lessons of SARS How toContactUs For Letters to the Editors: Letters to the Editors Scientific American...
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... staring at the behavior of a drugged mouse SCIENTIFIC AMERICAN SEPTEMBER 2003 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC meandering in a jury-rigged box So ... Geographic Channel Please check your local listings SCIENTIFIC AMERICAN COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC 45 BRAIN, COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC REPAIR YOURSELF HOW DO YOU FIX A BROKEN ... FREE (a savings of $30) Subscribe to Scientific American DIGITAL Today and Save! SCIENTIFIC AMERICAN SEPTEMBER 2003 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC COURTESY OF HUBERT R DINSE (hand) EDITORIAL...
... Choi are in the July 25 Science CLOVIS ARTIFACTS from the first Americans SCIENTIFIC AMERICAN OCTOBER 2003 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC TONY BRAIN SPL/Photo Researchers, Inc (top); PETER ... will continue SCIENTIFIC AMERICAN OCTOBER 2003 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC Staking Claims Kick Me, Myself and I The independent inventor is a symbol of American ingenuity who can ... in an environmental catastrophe SCIENTIFIC AMERICAN OCTOBER 2003 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC PHOTOGRAPH BY KATE BROOKS, BAGHDAD, AUGUST 11, 2003 Bombs and bullets can kill years after...
... and author of How We Believe www.sciam.com SCIENTIFIC AMERICAN COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC 43 AT AT COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC TGGGATAGCGACGAGCCAGTCTGCTCTAGACAGACGTAGCATATGGGATAGCGACAGACAGACGTAGCATATGGGAG ... chemical bases SCIENTIFIC AMERICAN NOVEMBER 2003 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC REPRINTED BY PERMISSION FROM JAVIER F PALATNIK ET AL IN NATURE; AUGUST 20, 2003 (doi:10.1038/nature01958) ... SCIENTIFIC AMERICAN NOVEMBER 2003 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC RANDY HARRIS S COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC BRIAN GREENE Q& A SCIENTIFIC AMERICAN: Sometimes when our readers hear...
... SCIENTIFIC AMERICAN COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC 27 EMERGENCE Who Were the NEANDERTALS? 28 SCIENTIFIC AMERICAN Updated from the April 2000 issue COPYRIGHT 2003 SCIENTIFIC AMERICAN, ... www.sciam.com SCIENTIFIC AMERICAN COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC 29 NEANDERTAL 30 SCIENTIFIC AMERICAN NEW LOOK AT HUMAN EVOLUTION COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC ERIK TRINKAUS/MUSẫE ... Scientific American Special (ISSN 1048-0943), Volume 13, Number 2, 2003, published by Scientific American, Inc., 415 Madison Avenue, New York, NY 10017-1111 Copyright â 2003 by Scientific American, ...
... drugs are now in the final phase of human testing SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC JANUARY 2003 Originally published in July 2002 A YEAR AFTER DOCTORS ... generating new muscle tissue Researchers are now racing to deJANUARY 2003 SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC velop therapies using stem cells that could help ... Central unit Internal battery Controller External battery JANUARY 2003 SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC HOW THE ABIOCOR WORKS THE ABIOCOR is attached...
... the effects on them have been less studied The infected JULY 2003 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC T cells perish as thousands of new viral particles ... of controlling the virus This “diversity threshold,” JULY 2003 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC as we call the breaking point, can differ from ... central participants in the defense against HIV SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC JULY 2003 collapsed and is no longer an obstacle to viral survival,...
... SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC AUGUST 2003 Originally published in March 2002 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC Did extraterrestrial collisions ... 2008, will help sharpen this prediction — Sarah Simpson, contributing editor AUGUST 2003 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC KAMIL VOJNAR Rough Neighborhood ... Academic/Plenum Publishers, 2001 AUGUST 2003 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC MOUNT ETNA’S Originally published in April 2003 FEROCIOUS FUTURE Europe’s...
... EZZELL; SCIENTIFIC AMERICAN, JUNE 2002 Will there be an AIDS vaccine anytime soon? SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC NOVEMBER 2003 Originally published ... stronger [see SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE NOVEMBER 2003 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC “The Challenge of Antibiotic Resistance,” by Stuart B Levy; Scientific American, March 1998] ... SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE NOVEMBER 2003 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC BRYAN CHRISTIE DESIGN (preceding two pages) Medical Lessons SHOOT Originally published in June 2003...