scientific american - 2002 07 - sweet medicine - building better drugs from sugars

... nanofabrication. COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC. Building Better Drugs from Sugars SUPERSYMMETRY in atomic nuclei ARTIFICIAL HEARTS and the alternatives A NOSE THAT “SEES” Sweet Medicine Sweet Medicine 15 ... up. contents july 2002 SCIENTIFIC AMERICAN Volume 287 Number 1 features 40 Sugarcoated cell SCIENTIFIC AMERICAN 5 COPYRIGHT 2002 SCIENTIFIC...

Ngày tải lên: 12/05/2014, 16:13

... 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 ... Baltimore, is co-sponsoring a meeting on the resolution this Novem- ber. Kurt L. Schmoke, the mayor of Bal- timore, who has supported harm-reduc- tion policies, has pledged to sign...

Ngày tải lên: 12/05/2014, 14:49

... Wash., con- Þrms that the worldÕs biggest environ- mental release occurred over decades at a site called Tomsk-7 in central Sibe- ria. Tomsk-7, whose existence was clas- 20 SCIENTIFIC AMERICAN ... SpeciÞcally, the debris originated from the immense event re- sponsible for the formation of the Imbri- um basin, a 1,300-kilometer-wide dent that corresponds to the man-in-the- moonÕs right e...

Ngày tải lên: 12/05/2014, 14:57

... area of the vi- sual cortex that re- ceives signals most di- rectly from the retina. Awareness, the re- searchers contend, is much more likely to stem from V5 or other higher-level re- gions of ... necessary to compare products. What it often fails to do, how- ever, is to translate data-on-a-screen into the understanding-in-a-head need- ed to make a decision. Ultimately the economics of u...

Ngày tải lên: 12/05/2014, 15:01

... 77 7-0 444. Scientific American- branded products avail- able. For free catalogue, write Scientific American Selections, P.O. Box 11314, Des Moines, IA 5034 0-1 314, or call (800) 77 7- 0444. E-mail: info@sciam.com Photocopying ... point out, com- puters are not the only medium com- peting to grab American eyeballs. Peo- ple are also subscribing to more pay-TV on cable stations, tun...

Ngày tải lên: 12/05/2014, 15:10

... SIMONELLI EVERETT COLLECTION; 20TH-CENTURY FOX Copyright 1997 Scientific American, Inc. News and Analysis24 Scientific American July 1997 In Brief, continued from page 22 Fur-ensic Evidence In 1994 a ... 77 7-0 444. Scientific American- branded products available. For free catalogue, write Scientific American Selec- tions, P.O. Box 11314, Des Moines, IA 5034 0-1 314, or call (80...

Ngày tải lên: 12/05/2014, 15:28

... LABORATORY Copyright 1998 Scientific American, Inc. Soils at the landing site vary from the bright-red dust to darker-red and darker- gray material. Overall, the soils are low- er in silicon than ... ulcer- causing bacterium Heli- cobacter pylori (left) in 62 percent of the peo- ple they tested with heart disease. In com- parison, H. pylori affect- ed only 40 percent of matched control s...

Ngày tải lên: 12/05/2014, 15:38

... into women-belong-back-in-the-kitchen ar- guments. And popular how-to books such as Men Are from Mars, Women Are from Venus, with their tenuous ties to evolutionary biology and their over- simplifications ... down- loading music from the Internet in the May issue. News and Analysis Scientific American July 1999 41 CYBER VIEW On-Line U. DAVID SUTER Copyright 1999 Scientific America...

Ngày tải lên: 12/05/2014, 15:58

... captured by the FBI in 1995 af- ter a two-year chase that yielded front-page headlines and a six-fig- ure advance for the journalists who made him an icon of mod- ern techno-legend. But for now, he ... idea why the up- heavals follow an 11-year cycle. Recent data from the Solar and Heliospheric Ob- servatory (SOHO), which has been orbit- ing the sun since 1995, show some peri- odic variatio...

Ngày tải lên: 12/05/2014, 16:03

... between develop- ment and manufacturing. It has done so by building a virtual mirror image of each operation. It has full-scale glass- making equipment and a five-story-high fiber-drawing (-pulling) ... McCook NEURONS could one day be harvested from the dead. CLIMATE CLUES from earthshine. SMART but not self-aware? Copyright 2001 Scientific American, Inc. 30 SCIENTIFIC AMERICAN J...

Ngày tải lên: 12/05/2014, 16:09