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  • Handguns at a gun show in Las Vegas
  • cows grazing
  • doctor talking to a father
Your search has returned 24 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

    Getting creative to cut methane from cows

    View the video

    In a pasture outside Edmonton, Canada, you’ll find a few dozen cows doing what cows do: mostly eating. The average animal spends eight-plus hours a day filling its belly, or as is the case with cows, bellies. Along with that enormous appetite, cows are born with the ability to digest almost any plant they can chew, thanks to a multichambered stomach and a helpful army of...

    11/18/2015 - 16:36 Animals, Microbes, Climate
  • Letters to the Editor

    Lucy's new neighbor, downloading New Horizon's data and more reader feedback

    New Horizons phones home

    In “Pluto: Explored” (SN: 6/27/15, p. 16), Christopher Crockett chronicled New Horizons’ long journey to the dwarf planet. He followed up with a report on the successful flyby in “Pluto’s icy landscape comes into view” (SN: 8/8/15, p. 6).

    “Having read that early images of Pluto encoded in radio waves would take 4.5 hours to reach Earth from the New Horizons space...

    08/12/2015 - 13:56 Astronomy, Neuroscience, Human Evolution
  • Scicurious

    There’s more than one way to persuade people to vaccinate

    Measles used to sound like such an old-fashioned disease. But the current Disneyland measles outbreak has put it back in the news, with 141 cases reported so far this year in 17 states and the District of Columbia. While the outbreak has some parents who formerly delayed or refused to vaccinate racing to the clinic, others are becoming more entrenched in their belief that vaccination is both...

    02/19/2015 - 16:14 Health
  • Reviews & Previews

    Catching Particle Fever

    There’s a brilliant dreamlike sequence about halfway through the documentary Particle Fever, when theoretical physicist Nima Arkani-Hamed enters his building at the Institute of Advanced Studies in Princeton, N.J., looking troubled. Cartoon equations and figures swirl around his head. As he walks upstairs to his office and starts to work, the building’s windows fall away. Shortly thereafter,...

    02/22/2014 - 14:22 Particle Physics
  • Feature

    The long and winding Colorado

    Standing on a mesa high above the town of Rifle, Colo., Andres Aslan is having a hard time staying quiet. The lanky geologist from nearby Colorado Mesa University normally speaks in a low-key professorial drone. But here, looking down at a sprawling river valley blazing with autumnal cottonwoods, his enthusiasm cranks up his volume. “This could be it,” says Aslan, gesticulating wildly. “This...

    01/10/2014 - 14:00 Earth, Planetary Science
  • 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
  • Science & the Public

    Airports’ leaden fallout may taint some kids

    People who live near airports serving small planes are exposed to lead from aviation fuel. A new study now links an airport’s proximity to slightly elevated blood-lead levels in children from area homes.

    Small planes (known in the trade as general aviation) tend to run on gasoline, most of which contains lead as an octane booster. These aircraft — used as taxis, personal aircraft and...

    07/14/2011 - 16:55 Technology, Humans & Society, Earth & Environment
  • Feature

    Breaking it Down

    Suppose there was a fourth little pig. This one was a physicist. Unlike his brother the engineer, who built a house out of tried-and-true bricks, the physicist pig chose a building material by doing calculations based on fundamental principles. He settled on a substance made from silicon and oxygen, an abundant material with high bond strength and the aesthetic bonus of transparency. It was...

    01/29/2010 - 14:02