scientific american - 2003 09 - special issue - better brains

... passenger pre-screening system would examine airline travelers in detail. 32 SCIENTIFIC AMERICAN SEPTEMBER 2003 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC. www.sciam.com SCIENTIFIC AMERICAN 33 CARLA ... end. www.sciam.com SCIENTIFIC AMERICAN 37 COPYRIGHT 2003 SCIENTIFIC AMERICAN, INC. 38 SCIENTIFIC AMERICAN SEPTEMBER 2003 RODGER DOYLE news SCAN A merican fertility...

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... some patients to par- ticipate in double-blind, placebo-con- trolled trials. He argues instead for out- come studies, which simply compare patients who receive a particular thera- py with others, ... Department, SCIENTIFIC AMERI- CAN, 415 Madison Avenue, New York, N.Y. 1001 7-1 111 or fax inquiries to (212) 35 5-0 408. Back issues: $6 each ($7 outside U.S.) prepaid. Most numbers availab...

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... ungulates—hoofed vertebrates related to deer—lived be- fore the Cretaceous-Tertiary extinc- tion, which wiped out the dinosaurs 65 million years ago. Eighty-five-million- year-old jaws and teeth, clearly from an ... organ-spar- ing surgeries (which minimize dis- figurement, pain and loss of func- tion) and improvement in easing the side effects of therapy. Better attention is also paid to th...

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... 2002 SCIENTIFIC AMERICAN Volume 287 Number 3 features features www.sciam.com SCIENTIFIC AMERICAN 5 SPECIAL ISSUE: A MATTER OF TIME COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC. 48 SCIENTIFIC AMERICAN ... instant mes- saging, one-hour photo, express check- out and same-day delivery threaten to rob us of any sense of permanence. Gary Stix is special projects editor. www.sciam.co...

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... DNA POWERED, HEAVIER- THAN-AIR FLIGHT THEORY OF RELATIVITY COMMUNICATIONS SATELLITE TRANSISTOR Copyright 1994 Scientific American, Inc. Copyright 1994 Scientific American, Inc. SCIENTIFIC AMERICAN October ... Performance,Ó that consid- ers the claims of learn-while-you-sleep enthusiasts. The council concludes that such claims are based on little or no ev- idence. Please, memory-enha...

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... Elevators High-Speed Trains Tiltrotor Planes 750-mph Cars Microsubs and more OCTOBER 1997 $4.95 SPECIAL ISSUE SPECIAL ISSUE News and Analysis Scientific American October 1997 49 charge even faster ... was de- signed in 1983 as a human-friendly in- terface to the dotted clumps of num- bers that routing computers under- stand. Each organization setting up on-line chooses what’s call...

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... Camp for Surgeons MICHAEL CRAWFORD Copyright 1995 Scientific American, Inc. 28 SCIENTIFIC AMERICAN September 1995 S queezed by fast-Þx Prozac dis- pensers on one side and stingy insurers on the ... that managed-care oÛcials might be skepti- cal of the chaos-inspired therapy he ad- vocates. Nevertheless, ÒI donÕt think Pro- zac is going to help everybody either,Ó he declares. ÑJohn Horg...

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... health on ICD stan- dards. In some cases, more than one DSM-IV disorder falls under the same ICD-IX heading. And the ICD-IX num- bers are diÝerent from those used in the ICD-X, which debuted ... 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- dards are adopted in...

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... GRACE Copyright 1997 Scientific American, Inc. In Search of AIDS-Resistance Genes Scientific American September 1997 49 blood cells from two of these men indi- cated that the CCR5 protein was ab- sent from ... help prevent the cell-to-cell spread of any HIV particles that somehow survived the HIV-destroying therapy. The idea of simultaneously curing pa- In Search of AIDS-Resistance Gen...

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... 1998 Scientific American, Inc. G 1-3 1 G 1-3 0 G 1-2 9 G 1-2 8 G 1-2 5 G 1-2 6 G 1-2 7 G 1-3 3 G 1-3 4 G 1-3 5 G 1-3 6 G 1-3 7 G 1-3 8 G 1-3 9 G2/ 3-2 2 G2/ 3-2 1 G2/ 3-1 8 G2/ 3-1 9 G2/ 3-2 0 G2/ 3-2 4 G2/ 3-2 5 G2/ 3-2 6 G2/ 3-2 7 G2/ 3-2 8 G2/ 3-2 9 G2/ 3-3 1 G2/ 3-3 0 CARNIVORE TRACKS HIPPARION TRACKS HIPPARION FOAL TRACKS 1979 ......

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