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  • Embargo expired:
    5-Apr-2000 2:00 PM EDT

Article ID: 18167

Catching A Comet by the Tail

University of Michigan

New finding: The ionized vapor trails left behind by comets as they zing past our sun may be billions of miles longer than anyone previously recognized.

Released:
6-Apr-2000 12:00 AM EDT
  • Embargo expired:
    5-Apr-2000 2:00 PM EDT

Article ID: 18099

Monkeys Pay One Another for Work

Yerkes National Primate Research Center, Emory University

Primatologists at the Yerkes Primate Center have found new evidence that capuchin monkeys cooperate to obtain food and share the rewards of their efforts (Nature, 4-6-00).

Released:
6-Apr-2000 12:00 AM EDT

Social and Behavioral Sciences

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  • Embargo expired:
    5-Apr-2000 2:00 AM EDT

Article ID: 18153

Cheating Can Pay when You're a Bacterium

Michigan State University

The adage that predicts cheaters will never prosper isn't necessarily true - at least among bacteria, according to an MSU study published in Nature.

Released:
6-Apr-2000 12:00 AM EDT
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Article ID: 18227

Low Water Quality Found on Nebraska Reservations

University of Arkansas, Fayetteville

University of Arkansas researchers have found that the percentage of contaminated wells on two American Indian reservations in Nebraska exceeds state and national averages. This may point to a national problem with water quality on tribal lands, the researchers contend.

Released:
5-Apr-2000 12:00 AM EDT
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Article ID: 18225

Ballooning to Mars

University of Arkansas, Fayetteville

Every day a mechanical engineering professor at the University of Arkansas grapples with questions like: How do you inflate what does not exist, under unknown conditions, using unknown materials, for an unknown application?

Released:
5-Apr-2000 12:00 AM EDT

Article ID: 18221

Alternative Fuel Vehicles Not Likely to Be Common by 2010

University of Maine

Market costs are likely to make vehicles that are powered by fuels other than gasoline too expensive for most consumers for the next decade, according to a model developed by a University of Maine resource economist and a researcher at the Oak Ridge National Laboratory.

Released:
5-Apr-2000 12:00 AM EDT
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Article ID: 18217

Sun's Got the Beat

NASA Marshall Space Flight Center

Newly discovered currents of gas beat deep inside the Sun, speeding and slackening every 16 months.

Released:
4-Apr-2000 12:00 AM EDT

Article ID: 18200

Print Your Own DNA

Nature Biotechnology

Japanese researchers have adapted the Bubble-Jet printing head for printing spots of DNA onto glass slides to create microarrays; in preliminary tests on a fragment of the p53 tumor suppressor gene, the researchers were able to successfully distinguish single base mismatches from perfect matches.

Released:
4-Apr-2000 12:00 AM EDT

Article ID: 18182

Nanobeacons for Tracking Cells

Nature Biotechnology

Nanometer-sized magnetic particles that slip into cells where they can serve as beacons for tracking movement of cells throughout the body have been designed by scientists.

Released:
4-Apr-2000 12:00 AM EDT

Research Results

Article ID: 18181

Artificial Immunity

Nature Biotechnology

By introducing human proteins into cultured mouse cells, scientists think they might have come up with a way of artificially stimulating the immune system into action against tumors and infectious agents using genetic engineering.

Released:
4-Apr-2000 12:00 AM EDT

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