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Your search has returned 25 articles:
  • Letters to the Editor

    Feedback

    A statistical education Odds are it’s wrong, but the chances that statistics is to blame are slim and fat. Tom Siegfried (“Odds are, it’s wrong,” SN: 3/27/10, p. 26) accurately portrays the importance of statistics in the conduct of science. However, his failure to clearly distinguish between the misuses of statistics and its methodological limitations leads to misleading conclusions about...

    04/23/2010 - 16:45
  • Science Past from the issue of May 7, 1960

    WHISTLING SWANS DYED TO STUDY MIGRATION ROUTE —  The U.S. Fish and Wildlife Service has been dyeing whistling swans vivid colors to learn more about their migratory movements. With their wings, tails or other body parts colored blue, yellow, green or red, the swans are easier to observe both when flying and resting on the ground. The Service is interested in determining over which states the...

    04/23/2010 - 16:37
  • Science Future

    Science Future for May 8, 2010

    May 12 Students can visit scientists or conduct their own experiments to celebrate National Lab Day. Find local events at www.nationallabday.orgMay 27 – 30 The Association for Psychological Science hosts its annual meeting in Boston. See www.psychologicalscience.orgJune 4 – 8 The American Society of Clinical Oncology meets in Chicago. See www.asco.org
    04/23/2010 - 16:35
  • Feature

    Lasing Beyond Light

    View a list of some of the world's leading laser facilities at the bottom of this article.

    Lasers and light seem as inseparable as snow and cold: If you have one, you have to have the other. From presentation pointers to Darth Vader’s lightsaber, lasers have become synonymous with brightly colored beams of visible light.

    But it wasn’t...

    04/23/2010 - 15:42 Physics, Technology
  • Feature

    Inventing the Light Fantastic

    Sidebar : Beyond the Ruby Laser

    After nine months of intensive study, physicist Theodore Maiman was hoping for a flash of brilliance.

    It was spring 1960, and Maiman had been working with an assistant, Irnee D’Haenens, at the Hughes Research Laboratories in Malibu, Calif., to see if he could generate a new type...

    04/23/2010 - 14:30 Matter & Energy, Humans & Society, Technology
  • Comment

    Laser pioneer reflects on making Einstein’s idea real

    The laser celebrates its 50th birthday this month. Charles Townes shared the 1964 Nobel Prize in physics for his role in the laser’s invention and at age 94 remains active in research at the University of California, Berkeley. Townes spoke about his life in science and the events leading up to the development of the maser — the laser’s microwave cousin — and of the laser itself with Science...

    04/23/2010 - 12:22 Physics, Technology
  • News

    Lice hang ancient date on first clothes

    ALBUQUERQUE — For once lice are nice, at least for scientists investigating the origins of garments.

    Using DNA to trace the evolutionary split between head and body lice, researchers conclude that body lice first came on the scene approximately 190,000 years ago. And that shift, the scientists propose, followed soon after people first began wearing clothing. The new estimate...
    04/20/2010 - 10:44 Anthropology, Humans & Society
  • News

    Hobbit debate goes out on some limbs

    ALBUQUERQUE — Two fossil hobbits have given what’s left of their arms and legs to science. That wasn’t enough, though, to quell debate over hobbits’ evolutionary status at the annual meeting of the American Association of Physical Anthropologists on April 17.

    Since 2004, the discoverers of unusual “hobbit” fossils on the Indonesian island of Flores have attributed their find to a pint-...

    04/19/2010 - 15:21 Anthropology, Archaeology, Humans & Society
  • News

    For ancient hominids, thumbs up on precision grip

    ALBUQUERQUE — A tiny fossil thumb bone provides a gripping look at the early evolution of human hands, according to a study presented April 16 at the annual meeting of the American Association of Physical Anthropologists.

    An upright gait and a relatively sophisticated ability to manipulate objects apparently evolved in tandem among the earliest hominids at least 6 million years ago,...

    04/19/2010 - 14:14 Anthropology, Humans & Society
  • News

    Not your grandfather's space program

    Speaking at NASA’s Kennedy Space Center April 15, President Obama outlined a new plan for the space agency that would forgo sending astronauts back to the moon, but would send humans to an asteroid in 2025 and into orbit around Mars a decade later.

    The strategy would rely on private aerospace companies to ferry crew and supplies into space. It would also cancel a program known as...

    04/15/2010 - 18:44 Atom & Cosmos, Humans & Society