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scientific american - 2000 08 - global warming - the hidden health risk

scientific american   -  2000 08  -  global warming  -  the hidden health risk

scientific american - 2000 08 - global warming - the hidden health risk

... Oklahoma-northern Ark-ansas-southern Missouri, the north-ern part of the lower Michiganpeninsula and most of the na-tion’s coastal areas. —Rodger Doyle (rdoyle2@aol.com)RODGER DOYLE The U.S. ... more malleable,” Owren theorizes. In the same way, when the men in the experiment laughed the most with other men,they were probably honoring the age-old tradition of the buddysystem, reinforcing ... Bureau of the CensusBy the NumbersCopyright 2000 Scientific American, Inc.News Briefs28 Scientific American August 2000 P S Y CHOLOGYSize Doesn’t MatterSince the mid-1970s psychol-ogists...
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scientific american   -  2000 12  -  rulers of the jurassic seas

scientific american - 2000 12 - rulers of the jurassic seas

... SERVER CLUS-TER. These men are the defense the BlueTeam in this high-tech version of capture the flag—and they lean back in theirchairs confidently. This past March, theyclaim, their “agents”—computer ... years.Scientific American December 2000 53www.sciam.comCopyright 2000 Scientific American, Inc.fish-lizards. The smallest of these ani-mals was no longer than a human arm; the largest exceeded ... When dinosaurs such as Iguan-odan grabbed the attention of paleon-tologists in the 1830s, the novelty of the fish-lizards faded away. Intense in-terest in the rulers of the Jurassic seasresurfaced...
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scientific american   -  1996 08  -  the electronic wallet

scientific american - 1996 08 - the electronic wallet

... to e-mail ad-dresses—fax to the number, and the document, including graphics and signa-tures, will appear in the recipient’s e-mail in-box. Received as a compressedgraphic bit-map file, the ... surgeons would thendirect the pellet through the brain byadjusting the forces of the various mag-nets. The pellet could tow a catheter,electrode or other device to minister to the troublesome ... for smart-card intro-duction in the U.S. today is the possibil-ity of multiple uses for the same card. Intheory, the same silicon-imbued piece ofplastic could serve as personal identi - cation,...
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scientific american   -  1999 08  -  the oxygen project

scientific american - 1999 08 - the oxygen project

... forms the 0 and 1 of the de-vice the absence or presence of one ex-tra Cooper pair in the finger, which isthen called a single-Cooper-pair box. The researchers test that their devicehas the ... peas-ant family to care for the three-and-a-half-year-old Mario.For a while, things went aswell as they could in the mid-dle of a war. On the farm, the boy watched the wheat harvestand would ... an eight-year-old Ca-pecchi was using the same in-tellect to avoid death on the streets of war-ravaged Italy.Capecchi was born on Oc-tober 6, 1937, in the north-ern city of Verona, the offspringof...
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scientific american   -  2000 06  -  the birth of molecular electronics

scientific american - 2000 06 - the birth of molecular electronics

... not seem to be the stuffof wild urban legend anymore. Neverthe-less, the rich mythology that has sprungup around the 840-acre island makes it amust-see stop on the con-spiracy theorist’s world ... pain—drugs in the same class asibuprofen and aspirin. The McGeers, hus-band-and-wife neuroscientists at the Uni-versity of British Columbia, arebetting on nonsteroidal anti-in-flammatories as the first ... 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...
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scientific american   -  2000 11  -  the future of digital entertainment

scientific american - 2000 11 - the future of digital entertainment

... agreement with their erstwhile oppo-nents of the Civil War, the Southern plant-er merchant class: the industrialists wouldget a free hand in dealing with unrest in the North, and the Southern planter ... communi-cate through a house-wide wireless net. Aradio-locating system can pinpoint anytagged object to within 10 feet. The two-gigabit-per-second connection to the uni-versity and the Internet ... word, they must be fun.” Witness the phe-nomenal success of the ice-blue iMac and the Volkswagen Beetle. Hence, Wolf says, the tradi-tional business cycle could evolve into a Holly-wood-like...
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under a green sky - global warming, the mass extinctions of the past, and what they can tell us about our future

under a green sky - global warming, the mass extinctions of the past, and what they can tell us about our future

... failed nineteenth-century theory, and none of the pow-erful, mid-career European paleontologists of the early 1980s—and very few of the Americans, either—were going to allow the field to fall ... nontraditional. The old-school approach was the study of the fossils themselves: anything defective here, any morphology antiquated there, as I examined fos-sil after fossil over a 20-million-year period ... or scraping skin on the razor-sharp barnacles in the process. But the pounding surf on the rocky points, the scudding clouds, and the vast cliffs that echoed back the crash-ing of waves on...
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scientific american   -  1993 06  -  tuning in the radio signals of ancient galaxies

scientific american - 1993 06 - tuning in the radio signals of ancient galaxies

... the wom-en in the rural areas have that same cy-cle, and they teach the same values totheir children. They teach their sons toorder; they teach their daughters thatthey must serve even their ... in the geothermal record. Fur-thermore, although the warming of be-tween two and four degrees C is sub-stantially greater than the global average warming of the 20th century, it is con-sistent ... chromosome.To their pleasure, theyrealized that previousgenetic studies had im-plicated roughly the same part of the chro-mosome in SCID.They decided to test the hypothesis that defects in the gam-ma-chain...
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scientific american   -  1993 08  -  can particles move faster than light

scientific american - 1993 08 - can particles move faster than light

... Witten com-ments. ÒThey also donÕt attempt to con-vey the importance of the ideas of phys-ics in mathematics.ÓJaÝe and Quinn have their support-ers. Richard M. Schoen, a mathematicianat the Institute ... two infraredones. The two photons are emitted si-multaneously, and the sum of their en-ergies exactly equals the energy of the parent photon. In other words, the col-ors of the photon pairs ... of these photons,whereas the other is allowed to ßy un-impeded. Most of the time, the Þrst pho-ton bounces oÝ the barrier and is lost;only its twin is detected. Occasional-ly, however, the...
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scientific american   -  1994 08  -  red tides  -  a growing hazaed

scientific american - 1994 08 - red tides - a growing hazaed

... suggests that the Reagan ad-ministration seized on the radon issuein the mid-1980s to counter its anti-environment image. The issue suited Re-publicans, he contends, because home-ownersÑrather than ... it now sounds, the young Mayr was not a follower of Dar-win. Rather, like most other naturalistsof the day, he subscribed to Jean-Bap-tiste LamarckÕs theory about the inheri-tance of acquired ... 1994 Scientific American, Inc.for the turn of the century, but at pres-ent evasion and electronic countermea-sures are the only way to avoid a torpe-do already in the water. Courtesy of the industrial...
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