Uncategorized

  1. Archaeology

    From Science News Letter, August 2, 1958

    PORCUPINES GNAWED ON STONE AGE MAN’S TOOLS — Razor sharp edges on some of the bone chisels of Middle Stone Age man in Africa were found to have been put there by the needle-sharp front teeth of porcupines, Dr. Raymond A. Dart of the University of the Witwatersrand, Johannesburg, South Africa, reports. But the fact […]

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  2. Astronomy

    Science Future for August 2, 2008

    August 16–24 Australia celebrates National Science Week. Visit www.scienceweek.info.au September 18 and 19 University of Wisconsin–Madison’s Holtz Center presents “Climate Change is Global.” Visit www.sts.wisc.edu October 8 Space Shuttle Atlantis is scheduled to launch as part of the final mission to the Hubble Space Telescope. Visit www.nasa.gov/missions

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  3. Humans

    Science should be prominent in U.S. foreign policy

    Excerpted comments from a panel discussion at the World Science Summit that addressed the topic of the role of science in foreign affairs. Among the participants were the esteemed scientists Harold Varmus, David Baltimore and Nina Fedoroff.

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  4. Physics

    Decoding the Quantum Mystery

    An essay by Tom Siegfried, SN's Editor in Chief, explores how signals from space to Earth could establish the reality of Einstein's worst fear.

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  5. Health & Medicine

    Insightful Light

    Raman spectroscopy may offer doctors, dentists and forensic scientists a better tool for molecular detection.

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  6. Health & Medicine

    Finding the Golden Genes

    Advances in gene therapy could tempt some athletes to enhance their genetic makeup, leading some researchers to work on detection methods just in case.

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  7. Planetary Science

    Tasting ice

    Phoenix Mars Lander drills for ice.

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  8. Ecosystems

    Tracing Tahitian vanilla

    The discovery of Tahitian vanilla’s heritage could set off a custody battle between nations.

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  9. Good mood gone bad

    Feeling happy may lessen children’s ability to perform tasks that require attention to detail, a new study suggests.

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  10. Life

    Hidden in plain view

    Looking for unwavering genes rather than standouts could reveal which genes contribute to disease.

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  11. Space

    First triple near-Earth asteroid found

    Astronomers have discovered the first known triple near-Earth asteroid.

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  12. Climate

    Hydrogen economy sustainable in 15 years

    Hydrogen fuel cells can eventually replace the combustion engine, but meanwhile a wider range of technologies will be needed to reduce carbon emissions.

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