Available for Selected Articles
News of the Week:New Antibiotic Dulls Bacterial Senses
A compound that disrupts a bacterium's internal signal pathways provides a novel type of antibiotic action.
Barrett, J.F. . . .J.A. Hoch. 1998. Antibacterial agents that inhibit two-component signal transduction systems. Proceedings of the National Academy of Sciences 95(April 28):5317.
Language origins reside in skull canals
A new analysis of fossil and modern skulls, focusing on the size of a bony passage for a nerve that controls the tongue, suggests that human ancestors used spoken language as long as 400,000 years ago.
Kay, R.F., M. Cartmill, and M. Balow. The hypoglossal canal and the origin of human vocal behavior. Proceedings of the National Academy of Sciences 95(April 28):5417.
Bower, B. 1997. Brawn of humanity. Science News 151(May 24):322.
______. 1997. Ancient roads to Europe. Science News 151(Jan. 4):12.
______. 1993. Neandertal neck bone sparks cross talk. Science News 143(April 24):262.
Deep coral reveal oceans fickle history
Major current patterns in the deep ocean can shift more quickly than climate researchers have long presumed.
Adkins, J.F., et al. 1998. Deep-sea coral evidence for rapid change in ventilation of the deep North Atlantic 15,400 years ago. Science 280(May 1):725.
Mangini, A., et al. 1998. Coral provides way to age deep water. Nature 392(March 26):347.
Smith, J.E., M.J. Risk, et al. 1997. Rapid climate change in the North Atlantic during the Younger Dryas recorded by deep-sea corals. Nature 386(April 24):818.
No raccoon boom after vaccination program
A decrease in canine distemper among vaccinated city raccoons did not trigger growth of their population.
Shubert, C., et al. Effect of canine distemper on an urban raccoon population: An experiment. Ecological Applications 8(May):379.
Mech, L.D., and S.M. Goyal. 1995. Effects of canine parvovirus in gray wolves in Minnesota. Journal of Wildlife Management 59:565.
______. 1993. Canine parvovirus effect on wolf population change and pup survival. Journal of Wildlife Diseases 29:330.
Genetic makeup can boost aspirins benefit
Some people seem to be genetically predisposed to take advantage of the anti-clotting properties of aspirin, which reduce the risk of having a heart attack.
Cooke, G.E., P.F. Bray. . . .P.J. Goldschmidt. 1998. PIA2 polymorphism and efficacy of aspirin. Lancet 351(April 25):1253.
Ridker, P.M., et al. 1997. P1A1/A2 polymorphism of platelet glycoprotein IIIa and risks of mycardial infarction, stroke, and venous thrombosis. Lancet 349:385.
Weiss, E.J., P.F. Bray, et al. 1996. A polymorphism of a platelet glycoprotein receptor as an inherited risk factor for coronary thrombosis. New England Journal of Medicine 334(April 25):1090.
Fackelmann, K. 1996. Flaws of the heart. Science News 150(Aug. 3):76.
Jack, D.B. 1997. One hundred years of aspirin. Lancet 350(Aug. 9):437.
Nurden, A.T. 1997. Platelet glycoprotein IIIA polymorphism and coronary thrombosis. Lancet 350(Oct. 25):1189.
Dolly had a little lamb
Dolly, the worlds first cloned mammal, has given birth to a lamb named Bonnie.
Cripps, R., and C. Gale. 1998. Dollys first lamb makes an appearance. Information available at http://www2.ri.bbsrc.ac.uk/library/press/pn98-02/html.
Travis, J. 1998. My mother, the clone? Science News 153(April 25):263.
Sifting through the Web's data jumble
A combination of text and link analysis underlies a novel method for automatically generating lists of authoritative Web resources.
Chakrabarti, S., et al. Preprint. Automatic resource compilation by analyzing hyperlink structure and associated text. (Available at http://simon.cs.cornell.edu/home/kleinber/www98/438.html.)
Peterson, I. 1998. Web searches fall short. Science News 153(May 2):286.
Additional information about the Seventh International World Wide Web Conference can be found at http://www7.conf.au/.
Craft eyes solar storms, hints at cooler core
An orbiting observatory has found a dozen giant tornadoes in the solar atmosphere and evidence that the suns core may be cooler than expected.
Pike, D.C., and H.E. Mason. In press. Rotating transition region features observed with the SOHO Coronal Diagnostic Spectrometer. Solar Physics.
Synchrotron beam makes cells tell all
Intense infrared light provides some of the first images of the chemical components of intact, living cells.
Nadège, J., P. Dumas, et al. Highly resolved chemical imaging of living cells by using synchrotron infrared microspectrometry. Proceedings of the National Academy of Sciences 95(April 28):4837.
Peterson, I. 1996. Bright X rays to illuminate a new frontier. Science News 149(May 4):276.
BiologyTermites use mothballs in their nests
Formosan termites are insensitive to the naphthalene that they build into their tunnel walls.
Chen, J., et al. 1998. Termites fumigate their nests with naphthalene. Nature 392(April 9):558.
Hunting for killer bees fury genes
Bee researchers speculate that a relatively small number of genes gives killer bees their stinging ferocity.
Hunt, G., et al. 1998. Quantitative trait loci for honey bee stinging behavior and body size. Genetics 148(March):1203.
BiomedicineGifts come with demands, restrictions
Recipients of corporate gifts acknowledge that donors typically expected something substantial in return.
Campbell, E.G., K.S. Louis, and D. Blumenthal. 1998. Looking a gift horse in the mouth. Journal of the American Medical Association 279(April 1):995.
Tumor-starving drugs show promise
Drugs that starve fast-dividing, malignant cells can stop a tumor's spread.
Dupont, É. 1998. Liquid shark cartilage extract shows encouraging results to cancer experts. Meeting of the American Association for Cancer Research. March. New Orleans.
Sim, K.L.B. 1998. AngiostatinTM: A potent antiangiogenic molecule that inhibits tumor growth in mice. Meeting of the American Association for Cancer Research. March. New Orleans.
ComputersHiding secret data in plain view
As an alternative to encryption, confidential information can be broken into segments that are tagged and inserted into a larger document.
Rivest, R.L. Preprint. Chaffing and winnowing: Confidentiality without encryption. Available at http://theory.lcs.mit.edu/~rivest/chaffing.txt.
Peterson, I. 1996. Boosting cryptography's role in security. Science News 149(June 8):357.
______. 1993. Encrypting controversy. Science News 143(June 19):394.
Web searches fall short
No single seach engine indexes more than about one-third of the more than 320 million pages on the World Wide Web.
Lawrence, S., and C.L. Giles. 1998. Searching the World Wide Web. Science 280(April 3):98.
Search engines are accessible at the following sites: AltaVista (http://www.altavista.digital.com), Excite (http://www.excite.com), HotBot (http://www.hotbot.com), Infoseek (http://www.infoseek.com), Lycos (www.lycos.com), Northern Light (www.nlsearch.com).
BiomedicineAntioxidants preserve lung function
Certain dietary antioxidants, such as beta carotene and selenium, appear to protect lung health.
Cassano, P.A. 1998. Antioxidant nutrients and pulmonary function in third national health & nutrition examination survey (NHANES III). Meeting of the Federation of American Societies for Experimental Biology. FASEB Journal Abstract 256. April. San Francisco.
Raloff, J. 1997. Looking for lycopene? Tomatoes are okay, but . . . Science News Online (July 19).
______. 1997. Alzheimers: E-longating survival and function. Science News Online (April 26).
______. 1996. Get granddad to take his vitamin E. Science News Online (Aug. 10).
______. 1996. Veggies may offer strong defense against breast cancer. Science News Online (July 20).
______. 1996. Antioxidants: Confirming a hearty-role. Science News 150(July 6):6.
Need a fever? Turn up the heat
Animal studies suggest that a hot environment may crank up defective internal thermostats in the elderly to fight infections.
Florez-Duquet, M., E.D. Peloso, and E. Satinoff. 1998. Florida or bust? Older lab rats seek heat to fight infection. Meeting of the Federation of American Societies for Experimental Biology. FASEB Journal Abstract 4244. April. San Francisco.
PhysicsProbing a deuteron's structure
Even when observed on a small scale, a deuteron's structure is adequately described as a loose pairing of a proton and a neutron rather than as an assemblage of six quarks.
Ahmidouch, A. 1998. Results from the t20 experiment at Jefferson Laboratory. Bulletin of the American Physical Society 43(April):1122.
Rare fission processes
The unstable nucleus californium-252 can spontaneously split into two pieces without emitting neutrons.
Gilat, J., et al. 1998. Discovery of rare processes in the spontaneous fission of 252Cf. Bulletin of the American Physical Society 43(April):1224.
Antiproton path to nuclear suburbs
Antiproton probes show that more neutrons than protons sit at the fringes of certain atomic nuclei.
Hartmann, F.J. 1998. A survey of recent experiments with exotic atoms. Bulletin of the American Physical Society 43(April):1160.
Articles:Searching for the First Light
Long ago and far away
Resurrecting an old search method and relying on the two largest visible light and near-infrared telescopes, astronomers are detecting a slew of the most distant galaxies.
Hu, E.M., and L.L. Cowie. In press. The density of Ly emitters at very high redshift. Astrophysical Journal Letters.
Cowen, R. 1988. Red glimmer reveals most distant galaxy. Science News 153(March 21):182.
______. 1998. Light from the early universe. Science News 153(Feb. 7):92.
______. 1997. After Hubble: The next generation. Science News 151(April 26):262.
______. 1994. Searching on the cosmos. Science News 146(Sept. 17):188.
The Fat Fracas
Researchers weigh in on body size
Although obesity appears to contribute proportionately less to the death rate as people age from 30 to 74 years old, the number of deaths attributed to excess weight goes up after age 30.
Stevens, J. . . .M.J. Thun. 1998. The effect of age on the association between body-mass index and mortality. New England Journal of Medicine 338(Jan. 1):1.
Fackelmann, K. 1997. Diet drug debacle. Science News 152(Oct. 18):252.
______. 1996. Fake fat gets FDAs okay. Science News 149(Feb. 3):68.
Manson, J.E. . . .C.H. Hennekens, et al. 1995. Body weight and mortality among women. New England Journal of Medicine 333(Sept. 14):677.
Additional information can be found at the Shape Up America! Web site: http://www.shapeup.org.
Table of Contents - 5/2/98
copyright 1998 Science Service