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Your search has returned 28 images:
  • Gun sounds
  • a person shooting up
  • Shark snout
Your search has returned 60 articles:
  • Letters to the Editor

    Readers debate gun violence research and more

    Gun debate cross fire

    In “Misfires in the gun control debate” (SN: 5/14/16, p. 16), Meghan Rosen reported on the roadblocks researchers face in collecting informative data on gun violence in the United States. Readers responded passionately, expressing many different viewpoints about the story and the controversial topic of gun control.

    “I thought Ms. Rosen’s article was well-...

    06/29/2016 - 12:15 Science & Society, Health
  • Editor's Note

    Problem-solving insights enable new technologies

    Fire was one of our ancient ancestors’ first forays into technology. Controlled burns enabled early hominids to ward off cold, cook and better preserve game. New evidence places fire-making in Europe as early as 800,000 years ago, much earlier than previously thought and closer to scientists’ best estimate for hominids’ first use of fire, about 1 million years ago in Africa.


    06/29/2016 - 12:00 Science & Society
  • The Science Life

    Sounds from gunshots may help solve crimes

    The surveillance video shows a peaceful city streetscape: People walking, cars driving, birds chirping.

    “Then, abruptly, there’s the sound of gunfire,” said electrical engineer Robert Maher. “A big bang followed by another bang.”

    Witnesses saw two shooters facing off, a few meters apart — one aiming north, the other south. But no one knew who shot first. That’s where Maher comes in...

    06/29/2016 - 11:30 Physics, Science & Society
  • Feature

    Vaccines could counter addictive opioids

    By age 25, Patrick Schnur had cycled through a series of treatment programs, trying different medications to kick his heroin habit. But the drugs posed problems too: Vivitrol injections were painful and created intense heroin cravings as the drug wore off. Suboxone left him drowsy, depressed and unable to study or go running like he wanted to. Determined to resume the life he had before his...

    06/28/2016 - 12:00 Health, Neuroscience, Clinical Trials
  • Mystery Solved

    Shark jelly is strong proton conductor

    Sharks have a sixth sense that helps them locate prey in murky ocean waters. They rely on special pores on their heads and snouts, called ampullae of Lorenzini, that can sense electric fields generated when nearby prey move. The pores were first described in 1678, but scientists haven’t been sure how they work. Now, the answer is a bit closer.

    The pores, which connect to electrosensing...

    06/27/2016 - 14:30 Materials, Biophysics, Animals