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July 5, 1997
In addition to plaques and tangles, a previously undetected protein-rich lesion riddles the brains of people with Alzheimer's disease.
Schmidt, M.L., et al. 1997. Monoclonal antibodies to a 100-kd protein reveal abundant amyloid-beta-negative plaques throughout gray matter of Alzheimer's disease brains. American Journal of Pathology 151(July):1.
A committee convened by the American Diabetes Association advises that all people age 45 and older get tested for Type 2 diabetes.
Gavin, J., et al. 1997. The 57th annual scientific sessions of the American Diabetes Association. Boston.
______. 1997. Report of the expert committee on the diagnosis and classification of diabetes mellitus. Diabetes Care 20(July):1183.
A noninvasive technique for generating high-resolution images of breast tumors may eventually allow clinicians to distinguish malignant from benign breast tumors.
Degani, H., et al. 1997. Mapping pathophysiological features of breast tumors by MRI at high spatial resolution. Nature Medicine 3(July):780.
Lipkin, R. 1996. Smart molecules may enhance images. Science News 149(Feb. 17):100.
Computing nuclear crash and burn scenariosA new computer capable of calculating at a rate of up to 1.8 trillion operations per second offers researchers a chance to simulate accidents involving nuclear weapons.
Information about Sandia's teraflops ultracomputer and various simulation projects is available at http://www.sandia.gov/.
Peterson, I. 1997. Reaching 1 trillion calculations per second. Science News 151(Jan. 4):7.
______. 1996. Sparking fusion. Science News 150(Oct. 19):254.
In the wake of a major collision damaging the Mir space station, NASA faces some tough decisions about its participation in the U.S.-Soviet program.
References:For updates on conditions aboard Mir, check the website http://shuttle-mir.nasa.gov. Click on "Hot Borscht" for the latest news.
Further Readings:Cowen, R. 1995. Space: The International Approach. Science News 147(May 20):312.
The president backed proposed rules, first announced last November, for smog ozone and soot.
Environmental Protection Agency fact sheets on the proposed rules are avaiable at http://ttnwww.rtpnc.epa.gov/naaqsfin/achieve.htm.
Adler, T. 1993. Health effects of smog: Worse than thought. Science News 144(Nov. 20):326.
Calvert, K., et al. 1997. The science behind the U.S. Environmental Protection Agency's proposed revisions to the primary national ambient air quality standards for ozone and particulate matter. Committee on Science, U.S. House of Representatives (June 25). (Available at http://www.house.gov/science/epa_report_6-25.html)
Nichols, M.D. 1997. Testimony on the proposed national ambient air quality standards. Available at http://www.epa.gov/oar/aqstd/testimon.html.
Raloff, J. 1995. A better way to manage smog. Science News 148(Aug. 5):92.
______. 1995. Heart-y risks from breathing fine dust. Science News 148(July 1):5.
______. 1994. Are indoor gases sickening microcircuits? Science News 146(Nov. 19):327.
______. 1992. VOCs: Smog's indoor legacy. Science News 142(Dec. 19/26):420.
______. 1992. Fueling cleaner air. Science News 141(Feb. 29):143.
______. 1991. Dust to dust: A particulately lethal legacy. Science News 139(April 6):212.
______. 1991. Air pollution: A respiratory hue and cry. Science News 139(March 30):203.
Community study traces bulimia's originsA rare study of bulimic women outside of psychiatric clinics finds that this eating disorder most frequently occurs in dieters who have experienced mental disorders and certain family conflicts and who are at high risk of obesity.
Fairburn, C., et al. 1997. Risk factors for bulimia nervosa. Archives of General Psychiatry 54(June):509.
Halmi, K. 1997. Models to conceptualize risk factors for bulimia nervosa. Archives of General Psychiatry 54(June):507.
Kendler, K., et al. 1995. The structure of the genetic and environmental risk factors for six major psychiatric disorders in women. Archives of General Psychiatry 52(May):374.
Ovarian cancer risk appears to be tied to the number of times a woman ovulates over a lifetime.
Schildkraut, J., E. Bastos, and A. Berchuck. 1997. Relationship between lifetime ovulatory cycles and overexpression of mutant p53 in epithelial ovarian cancer. Journal of the National Cancer Institute 89(July 2):932.
Whittemore, A., and V. McGuire. 1997. Ovulation, p53 mutations, and ovarian cancer: A causal link? Journal of the National Cancer Institute 89(July 2):906.
Fackelmann, K. 1992. Motherhood and cancer. Science News 142(Oct. 31):298.
Fathalla, M. 1971. Incessant ovulation: A factor in ovarian neoplasia? Lancet 2:163.
Pike, M. 1987. Age related factors in cancers of the breast, ovary, and endometrium. Journal of Chronic Diseases 40(Supplement 2):59S.
Raloff, J. 1991. Later in life babies cut cancer risk. Science News 139(April 13):231.
Whittemore, A. 1994. The risk of ovarian cancer after treatment for infertility. New England Journal of Medicine 331(Sept. 22):805.
Ovarian cancer risk appears to be tied to the number of times a woman ovulates over a lifetime.
Schildkraut, J., E. Bastos, and A. Berchuck. 1997. Relationship between lifetime ovulatory cycles and overexpression of mutant p53 in epithelial ovarian cancer. Journal of the National Cancer Institute 89(July 2):932.
Whittemore, A., and V. McGuire. 1997. Ovulation, p53 mutations, and ovarian cancer: A causal link? Journal of the National Cancer Institute 89(July 2):906.
Fackelmann, K. 1992. Motherhood and cancer. Science News 142(Oct. 31):298.
Fathalla, M. 1971. Incessant ovulation: A factor in ovarian neoplasia? Lancet 2:163.
Pike, M. 1987. Age related factors in cancers of the breast, ovary, and endometrium. Journal of Chronic Diseases 40(Supplement 2):59S.
Raloff, J. 1991. Later in life babies cut cancer risk. Science News 139(April 13):231.
Whittemore, A. 1994. The risk of ovarian cancer after treatment for infertility. New England Journal of Medicine 331(Sept. 22):805.
A diverse set of social ties offers powerful protection against colds, over and above such strategies as getting lots of rest and ingesting vitamin C.
Cohen, S., et al. 1997. Social ties and susceptibility to the common cold. Journal of the American Medical Association 277(June 25):1940.
Bower, B. 1997. Lowly status proves infectious in monkeys. Science News 151(June 21):381.
Evidence of a lethal poultry virus has turned up among Antarctic penguins.
Gardner, H., et al. 1997. Poultry virus infection in Antarctic penguins. Nature 387(May 15):245.
Dwindling fish stocks near their South Atlantic colony seem to be sending penguins far out to sea to secure enough food for their broods.
Stokes, D.L., and P.D. Boersma. In press. Where breeding Magellanic penguins forage: Satellite telemetry results and their implications for penguin conservation. Marine Ornithology.
Women with diabetes run the risk of developing lumpy breast tissue.
Kudva, Y. 1997. The 57th annual scientific sessions of the American Diabetes Association. Boston.
Women with diabetes are several years younger than nondiabetic women when they go through menopause.
Dorman, J. 1997. The 57th annual scientific sessions of the American Diabetes Association. Boston.
A new technique provides information about both size and chemical composition of airborne particles.
Liu, D.-Y. . . .K.A. Prather. 1997. Real-time monitoring of pyrotechnically derived aerosol particles in the troposphere. Analytical Chemistry 69(May 15):1808.
Monastersky, R. 1996. Ten thousand cloud makers. Science News 150(July 6):12.
Raloff, J. 1989. Smallest aerosol pollutants linked to disease. Science News 135(May 6):277.
A small protein produced by human skin cells acts as an antibiotic, effectively protecting against infection.
Harder, J. . . .J.-M. Schroder. 1997. A peptide antibiotic from human skin. Nature 387(June 26):861.
Raloff, J. 1995. Defending us from our dirty mouths. Science News 147(March 18):166.
Weisburd, S. 1987. Frogs get the jump on microbes. Science News 132(Aug. 8):85.
Unusual activity along the San Andreas hints at a long-expected tremor
Although California seismologists were wrong when they predicted that an earthquake would hit the town of Parkfield by 1993, the quake may now be coming.
Gwyther, R.L., et al.1996. Anomalous shear strain at Parkfield during 1993-94. Geophysical Research Letters 23(Sept.1):2425.
Monastersky, R. 1993. Parkfield jolt triggers quake alert. Science News 133(Dec. 4):382.
______. 1991. Perils of prediction. Science News 139(June 15):376.
Roeloffs, E., and J. Langbein. 1994. The earthquake prediction experiment at Parkfield, California. Reviews of Geophysics 32(Aug.):315.
Hiding in LatticesAn improved mathematical strategy for encrypting data
The mathematics of lattices offers an alternative basis for a public-key cryptosystem.
Ajtai, M., and C. Dwork. Preprint. A public-key cryptosystem with worst-case/average-case equivalence. (Available at http://www.almaden.ibm.com/cs/k53/lattice.html)
Cipra, B. 1996. Lattices may put security codes on a firmer footing. Science 273(Aug. 23):1047.
Peterson, I. 1997. Chinks in digital armor. Science News 151(Feb. 1):78.
______. 1996. Bits of uncertainty. Science News 149(Feb. 10):90.
______. 1994. Opening a quantum door on computing. 145(May 14):308.
______. 1994. Team sieving cracks a huge number. Science News 145(May 7):292.
______. 1991. Digital security signed, sealed, delivered. Science News 140(Sept. 7):148.
______. 1984. The unpacking of a knapsack. Science News 126(Nov. 24):330.
Table of Contents - 7/5/97
