scientific american - 1994 04 - the dilemmas of prostate cancer

scientific american   -  1994 04  -  the dilemmas of prostate cancer

scientific american - 1994 04 - the dilemmas of prostate cancer

... each cycle of the AC Þeld. When the marble is hopping down the egg tray with the help of the AC Þeld, augmenting the av- erage tilt of the egg tray by increasing the DC voltage does not change the av- erage ... Kazumi Maki of the Universi- ty of Southern California and by the late John Bardeen of the University of Illi- nois, but it is too early to tell w...
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scientific american   -  2003 04  -  50 years of the double helix

scientific american - 2003 04 - 50 years of the double helix

... dis- covered property of the neutrinos themselves. Ironically, the confirmation of our best theory of the sun ex- poses the first flaw in the Standard Model of particle physics — our best theory of ... The average of their answers is the ba- sis of the subjective threshold calculation, in- dicated by the dark blue line. On average the respondents named a figure 7...
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scientific american   -  1995 12  -  the puzzle of consciousness

scientific american - 1995 12 - the puzzle of consciousness

... stunning movie of our watery planet. The spacecraft examined the outer expanses of the earthÕs magnet- ic Þeld and took the Þrst mea- surements of the moonÕs far side since the days of the Apol- lo program. ... returned to the earth over the low-gain antenna. Tape-search- 50 SCIENTIFIC AMERICAN December 1995 JAILBARS, slices of images taken of the asteroid...
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scientific american   -  1996 11  -  the origins of immunity

scientific american - 1996 11 - the origins of immunity

... dif- ferent risk factors may affect the expres- sion of the disorder,” the group con- cludes in the Journal of the American Medical Association. The lead author of the study, the larg- est of ... professor of psychology at the University of Liverpool, and other academics have ruffled a few well-groomed feathers in the staid linguis- tics community. Their gos-...
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scientific american   -  1998 04  -  the unwired world

scientific american - 1998 04 - the unwired world

... and applied them to the time-honored tech- nology of fuel cells. The key was in the packaging. Whereas most fuel-cell re- searchers start with the design of the electrolyte and electrodes, Hockaday re- alized ... cautious assessment of the ramifications of the WHO policies: “[They] have increased the awareness among all the players about the com- plexity of the...
Ngày tải lên : 12/05/2014, 15:35
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scientific american   -  2000 06  -  the birth of molecular electronics

scientific american - 2000 06 - the birth of molecular electronics

... Africa. The map shows data on the prevalence of wheezing —a com- monly used indicator of asthma —for 1 3- and 14-year-olds, tak- en from one of the largest epidemiological studies, the Interna- tional ... FFlloooorr?? Molecular Electronics The Birth of Copyright 2000 Scientific American, Inc. Scientific American June 2000 37Profile Profile served specimen of one of...
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scientific american   -  2000 11  -  the future of digital entertainment

scientific american - 2000 11 - the future of digital entertainment

... trade. The decline was reinforced by the social unrest of the late 1960s, which divided the supporters of civil rights. Furthermore, the economic crisis of the 1970s strengthened the hand of the more ... materials pro- vide some of the first insight into the lives of prehistoric women, children and the eld- erly —or, as Soffer describes them, the silent majo...
Ngày tải lên : 12/05/2014, 16:06
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scientific american   -  2001 06  -  the paradox of the sun's hot corona

scientific american - 2001 06 - the paradox of the sun's hot corona

... absolutely firm in their convictions. And if you say to either one of them they’re wrong, then they start tuning you out.” So McNutt tries to make the 15-year-olds aware of the other’s position ... to one of the most beau- tiful spectacles in all of nature: a total eclipse of the sun. The two of us were among them. One of us (Phillips) watched from Bulgaria as the gla...
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scientific american day in the life of your brain

scientific american day in the life of your brain

... book presents an hour-by-hour, round -the- clock journal of your brain’s activities. Drawing on the treasure trove of information from Scientific American and Scientific American Mind magazines ... possible without the research and the articles of the many excellent contributors of Scienti c American and Scienti c American Mind: their work is in large part...
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INTENSIVE LIFESTYLE CHANGES MAY AFFECT THE PROGRESSION OF PROSTATE CANCER docx

INTENSIVE LIFESTYLE CHANGES MAY AFFECT THE PROGRESSION OF PROSTATE CANCER docx

... with prostate cancer risk. In addition, epidemio- logical evidence and migrant studies indicate that the inci- dence of clinically significant prostate cancer is much lower in parts of the world ... via the Henry M. Jackson Founda- tion Grant 600 – 06971000 –236, The Prostate Cancer Foundation, National Institutes of Health 5P50CA089520 – 02 University of Californi...
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