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Science News

  • 22 May 1997

    Today is the 67th birthday of LaSalle Leffall Jr., an American oncologist who has brought attention to the problem of high cancer death rates among minorities, particularly African Americans. Leffall published research in 1973 showing increasing cancer mortality in the U.S. black population.

  • 22 May 1997

    Scientists have found that proteins that stimulate the growth and survival of nerve cells as they build the brain do more than just that.

  • 22 May 1997

    The Internet has been a boon to science, but paleoanthropologists surfing the Web last week got an unpleasant surprise: A site called Fossilnet is advertising 20,000-year-old human skulls and even older human jaws for sale online.

  • 22 May 1997

    By monitoring the brains of napping and active cats, scientists have pinpointed a natural brain chemical that brings on a deep slumber after prolonged wakefulness.

  • 21 May 1997

    For scientists trying to share vast amounts of electronic data, traffic on the Internet can slow to an agonizing crawl. But the pace will pick up soon for 35 research institutions across the country.

  • 21 May 1997

    Genome researchers have put together the most complete map of the human genome yet.

  • 21 May 1997

    An analysis of medical research grant applications in Sweden suggests that the peer-review process is not immune to sexism.

  • 20 May 1997

    The rising stock market will be floating more biomedical research. With its endowment soaring, the Howard Hughes Medical Institute (HHMI) of Chevy Chase, Maryland, is expanding its support for scientists at universities and labs around the country.

  • 20 May 1997

    Astronomers' spirits sagged earlier this year when the Hubble Space Telescope's new infrared camera sprang a coolant leak, potentially cutting in half the instrument's planned 4-year lifetime.

  • 20 May 1997

    Women who are obese or who gain significant amounts of weight as adults have a higher risk of the most common kind of stroke, according to a study in tomorrow's issue of The Journal of the American Medical Association.

  • 19 May 1997

    Yesterday would have been the 94th birthday of Frits Went, a Dutch-born American botanist who discovered the role of the plant hormone auxin and paved the way for the development of weed killers, fertilizers, and genetically engineered crops.

  • 19 May 1997

    Worried that business secrecy may undermine scientific cooperation, an international group of geneticists last week appealed for a change of European patent policies to encourage scientists to release sequence data as quickly as robotic sequencing machines spew the information out.

  • 19 May 1997

    Light is a great way to transmit information, but its speedy photons are difficult to slow down when signals must be delayed, for example, to be stored for brief times in optoelectronic circuits.

  • 19 May 1997

    TOKYO--A Japanese mission to sample a small asteroid got a boost last week when NASA announced it would contribute a robotic rover and ground support.

  • 16 May 1997

    A theoretical physicist who helped lead the U.S. effort to develop the atom bomb has launched an appeal for an end to all federal funding for new nuclear weapons.

  • 16 May 1997

    When the possible existence of an exotic new particle called a leptoquark was announced earlier this year by researchers in Germany, other physicists rushed to try and corroborate their results.

  • 16 May 1997

    The skull of what may be the biggest meat-eating dinosaur ever found confirms that the southern continents were once a single huge stomping ground for dinosaurs.

  • 16 May 1997

    In a speech on Sunday in Baltimore, President Clinton is expected to ask researchers to develop an AIDS vaccine within 10 years.

  • 15 May 1997

    Forty-four years ago today, American chemist Stanley Miller gave a jolt to the debate on the origins of life with the publication in Science of his famous paper, "A Production of Amino Acids Under Possible Primitive Earth Conditions." Miller tested the hypothesis that life's chemical build

  • 15 May 1997

    A highly contagious poultry virus has infected penguins in Antarctica. It is the first known transmission of a "foreign" disease to wildlife on the icy continent.

  • 15 May 1997

    Funding problems in Russia have led to an 8-month delay in the planned launch of the first pieces of the international space station. The initial launch will now occur in June 1998, NASA announced today.

  • 15 May 1997

    Scientists have cloned the first biological "clock" gene from a mammal.

  • 14 May 1997

    Some scrounging in the basements of the University of Munich has turned up brain samples from the first patient known to be correctly diagnosed with Alzheimer's disease.

  • 14 May 1997

    In an ambitious bid to put a price tag on Mother Nature, a group of conservation-minded ecologists and economists has estimated that it would cost $33 trillion per year to replace the Earth's "ecosystem services": environmental resources such as fresh water and soil, and processes such as climate

  • 14 May 1997

    Quick reactions from astronomers last week may have settled a long-standing debate in astrophysics: the origin of the mysterious flashes of energy called gamma-ray bursts.

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