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  • Shanghai in October 2015
  • nuclear power plant in Stade, Germany
  • machine learning illustration
Your search has returned 56 articles:
  • Science Stats

    Air pollution takes a toll on solar energy

    Air pollution is a drag for renewable energy. Dust and other sky-darkening air pollutants slash solar energy production by 17 to 25 percent across parts of India, China and the Arabian Peninsula, a new study estimates. The haze can block sunlight from reaching solar panels. And if the particles land on a panel’s flat surface, they cut down on the area exposed to the sun. Dust can come from...

    09/08/2017 - 09:00 Pollution, Sustainability
  • 50 years ago, West Germany embraced nuclear power

    Nuclear power go-ahead

    West German power companies have decided to go ahead with two nuclear power station projects…. Compared with the U.S. and Britain, Germany has been relatively backward in the application of nuclear energy…. The slow German start is only partly the result of restrictions placed upon German nuclear research after the war. — Science News, September 16, 1967

    ...
    09/07/2017 - 07:00 Technology
  • Letters to the Editor

    Readers were curious about rogue planets, exomoons and more

    Going rogue

    Astronomers estimate that wandering Jupiter-mass planets without a parent star are about a tenth as common as once believed, Ashley Yeager reported in “Giant solo planets are in limited supply” (SN: 8/19/17, p. 10).

    Online reader Brian Bixby wondered how often such a rogue planet would come close to our solar system and proposed that one near the Kuiper Belt or Oort cloud...

    09/06/2017 - 13:30 Planetary Science, Exoplanets, Anthropology
  • Editor's Note

    Learning is a ubiquitous, mysterious phenomenon

    I’ll admit it. I’m addicted to learning. There’s nothing quite like the thrill that comes with finding out something new.

    It’s no surprise I ended up this way. My parents were public school teachers. They instilled in me the belief that education not only opens up new opportunities but also is enjoyable in itself. My parents regularly took my siblings and me to museums, encouraged...

    09/06/2017 - 13:15 Science & Society, Neuroscience
  • Feature

    Machines are getting schooled on fairness

    You’ve probably encountered at least one machine-learning algorithm today. These clever computer codes sort search engine results, weed spam e-mails from inboxes and optimize navigation routes in real time. People entrust these programs with increasingly complex — and sometimes life-changing — decisions, such as diagnosing diseases and predicting criminal activity.

    Machine-learning...

    09/06/2017 - 13:00 Artificial Intelligence, Technology, Science & Society