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  • Handguns at a gun show in Las Vegas
Your search has returned 27 articles:
  • Feature

    Gun research faces roadblocks and a dearth of data

    Buying a handgun in Connecticut means waiting — lots of waiting. First comes an eight-hour safety course. Then picking up an application at a local police department. Review of the application (which includes a background check and fingerprinting) can take up to eight weeks. If approved, the state issues a temporary permit, which the buyer trades in at state police headquarters for a permanent...

    05/03/2016 - 15:00 Science & Society, Mental Health, Health
  • Feature

    View to a cell

    Imagine if your best knowledge of human anatomy came from viewing the body through binoculars from a mile away. You might make out the shape of a hand, but knuckles and fingernails would elude you. Experiments could tell you there’s a pumping heart inside, but to see that heart with any clarity you would have to fix it in formaldehyde or liquid nitrogen, blast it with electrons and add dyes to...

    05/28/2013 - 16:22 Cells, Biophysics
  • Feature

    The 3-D Printing Revolution

    Joshua Pearce takes unusual satisfaction in strolling through Walmart. The shelves laden with toys, household items, tools and clothing inspire in him a certain smugness, a pride in American entrepreneurship. But it’s not because Pearce admires the chain as an empire built by a self-made man. Pearce swells with pride at Walmart because the store is full of mass-manufactured objects that he...

    02/20/2013 - 23:31 Technology, Computing
  • Feature

    The Digital Camera Revolution

    Take a grainy, blurred image of a formless face or an illegible license plate, and with a few keystrokes the picture sharpens and the killer is caught — if you’re a crime-scene tech on TV. From Harrison Ford in Blade Runner to CSI, Criminal Minds and NCIS, the zoom-and-enhance maneuver has become such a staple of Hollywood dramas that it’s mocked with video montages on YouTube.

    ...
    01/13/2012 - 06:54
  • Feature

    Software Scientist

    Games such as chess have long been mastered by thinking machines. But weightier intellectual feats, such as deducing the laws of nature, have remained the domain of living, breathing brainiacs — until now.

    A new computer program called Eureqa comes up with fundamental mathematical laws, the great equations of textbooks and history, from scratch. Feed Eureqa a mess of raw...

    12/30/2011 - 09:46 Technology
  • Math Trek

    App for analyzing leafy curves lets amateur botanists identify trees

    Peter Belhumeur just wanted to know what type of tree was outside his apartment. He scanned field guides, looking for willowlike leaves with a wavy, spiked edge, but he couldn’t find the right one. Neither could his neighbors.

    As it happened, though, he was building a tool designed to address just this problem.  Belhumeur is a computer scientist at Columbia University who has worked on...

    08/29/2011 - 16:46
  • Feature

    Cosmic questions, answers pending

    Read features from the special edition Articles in the Cosmic questions, answers pending. | GoDownload a PDF of the special edition Exclusive for Science News subscribers.Download | Subscribe

    Throughout human history, great missions of exploration have been inspired by curiosity, the desire to find out about unknown realms. Such missions have taken explorers across wide oceans and...

    04/08/2011 - 12:08
  • Feature

    The Science of Slumber

    Read features from the special edition Reports on the science of sleep. | GoDownload a PDF of the special edition Exclusive for Science News subscribers.Download | Subscribe

    Despite its utter mundanity, sleep resists simple scientific explanation. It appears to recuperate the body and refresh the mind, but exactly how isn’t at all clear. The brain appears to be as active in some of the...

    10/09/2010 - 15:15
  • Feature

    A mind for music

    Read features from the special edition Articles in A mind for music. | GoDownload a PDF of the special edition Exclusive for Science News subscribers.Download | Subscribe

    There are very few activities for which your birthday suit and a three-piece suit are equally appropriate attire. Music is one of them.

    Belting an improvised ditty alone in the shower and performing Handel’s “...

    07/30/2010 - 14:25
  • 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