Latest Issue of Science News

March 4, 2000

  • News

    Super fireworks

    A blast wave from supernova 1987A, the brightest stellar explosion witnessed from Earth since 1604, has begun lighting up a ring of gas surrounding the explosion.
  • News

    No signal from Mars Polar Lander

    A radio signal that NASA hoped came from the vanished Mars Polar Lander has a terrestrial origin, scientists from the space agency and Stanford University have concluded.
  • News

    Is that salamander virus flying?

    Scientists searching for the carrier of the iridovirus causing a salamander disease have dismissed frogs and fish, but not birds.
  • News

    Electron spins pass imposing frontier

    Electron spins crossed from one semiconductor to another with apparent ease and little or no mussing of their direction, suggesting that sandwiches of materials common in microcircuits are no obstacle to creating spin-information channels in future circuits.
  • News

    Sprawling over croplands

    Satellite imagery indicates that sprawling urban development has been disproportionately gobbling up those lands best able to support crops.
  • News

    Glacial warming’s pollutant threat

    Some Arctic wildlife are being exposed to high amounts of toxic wastes as glacial melting releases pollutants that had been buried in ice for decades.
    11 years ago
  • Feature

    Getting a Clear View

    Outfitted with a mirror that flexes several hundred times a second to compensate for the blurring induced by Earth’s atmosphere, one of the world’s sharpest telescopes just got a whole lot sharper.
  • Feature

    Great Computations

    From sifting through radio telescope signals for signs of extraterrestrial life to searching for record-breaking prime numbers, home and office computers contribute via the Internet to a variety of research efforts.