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Your search has returned 23 images:
  • bottled water pickup site in Flint, Mich.
  • brain cleaning illustration
  • IceCube Neutrino Observatory
Your search has returned 25 articles:
  • Reviews & Previews

    ‘The Poisoned City’ chronicles Flint’s water crisis

    The Poisoned CityAnna ClarkMetropolitan Books, $30

    America is built on lead. Networks of aging pipes made from the bluish-gray metal bring water into millions of U.S. homes. But when lead, a poison to the nervous system, gets into drinking water — as happened in Flint, Mich. — the heavy metal can cause irreparable harm (SN: 3/19/16, p. 8). In The Poisoned City, journalist Anna Clark...

    07/17/2018 - 07:00 Health, Toxicology, Science & Society
  • Feature

    The brain may clean out Alzheimer’s plaques during sleep

    Neuroscientist Barbara Bendlin studies the brain as Alzheimer’s disease develops. When she goes home, she tries to leave her work in the lab. But one recent research project has crossed into her personal life: She now takes sleep much more seriously.

    Bendlin works at the University of Wisconsin–Madison, home to the Wisconsin Registry for Alzheimer’s Prevention, a study of more than 1,500...

    07/15/2018 - 06:00 Biomedicine, Neuroscience, Mental Health
  • 50 years ago, neutrinos ghosted scientists

    Tracking the neutrino

    The definite detection of nonterrestrial neutrinos, whether from the sun or from beyond the solar system, will yield a far deeper understanding of stellar interiors and, therefore, of how today’s universe came to be. — Science News, July 20, 1968.

    Update

    In May 1968, researchers reported that a particle detector in South Dakota spotted ghostly subatomic...

    07/12/2018 - 16:47 Particle Physics, Astronomy, Technology
  • Feature

    The ecosystem that controls a galaxy’s future is coming into focus

    There’s more to a galaxy than meets the eye. Galaxies’ bright stars seem to spiral serenely against the dark backdrop of space. But a more careful look reveals a whole lot of mayhem.

    “Galaxies are just like you and me,” Jessica Werk, an astronomer at the University of Washington in Seattle, said in January at a meeting of the American Astronomical Society. “They live their lives in a...

    07/12/2018 - 07:00 Astronomy, Cosmology
  • Letters to the Editor

    Readers ask about proton pressure, wearable tech and more

    Pressure gauge

    The pressure inside a proton is the highest of any known substance, Emily Conover reported in “The inside of a proton endures more pressure than anything else we’ve seen” (SN: 6/9/18, p. 10).

    “I don’t think it’s valid to think of pressure on a quantum level the same way we do classically,” Reddit user phazer6 wrote. Pressure relates to collections of particles, but “...

    07/11/2018 - 07:15 Particle Physics, Technology, Earth
  • Editor's Note

    In research, detours are a key part of discovery

    For more than a century, scientists have known that abnormal clumps and tangles in the brain are the hallmarks of Alzheimer’s disease. But identifying the cause of that devastating damage has proven elusive, hampering efforts to come up with a cure for an affliction that robs memory from millions of people worldwide.

    But what if those clumps and tangles accumulated because the brain...

    07/11/2018 - 07:00 Science & Society, Health, Neuroscience
  • Science Visualized

    How a particle accelerator helped recover tarnished 19th century images

    With the aid of a particle accelerator, scientists are bringing back ghosts from the past, revealing portraits hidden underneath the tarnished surface of two roughly 150-year-old silver photographic plates.

    Researchers used an accelerator called a synchrotron to produce strong, but nondamaging beams of X-rays to scan the damaged photographs, called daguerreotypes, and map their chemical...

    07/09/2018 - 07:00 Chemistry, Physics
  • Reviews & Previews

    Why humans, and Big Macs, depend on bees

    Buzz: The Nature and Necessity of BeesThor HansonBasic Books, $27

    When you hear the word bee, the image that pops to mind is probably a honeybee. Maybe a bumblebee. But for conservation biologist Thor Hanson, author of the new book Buzz, the world is abuzz with thousands of kinds of bees, each as beautiful and intriguing as the flowers on which they land.

    Speaking from his “...

    07/08/2018 - 08:00 Animals, Agriculture, Ecology
  • News

    NASA’s Parker probe is about to get up close and personal with the sun

    NASA’s Parker Solar Probe is about to embark on one daredevil stunt of a space mission.

    Slated to launch August 4, the probe will be the first spacecraft to swoop through the sun’s outer atmosphere, or corona, a roiling inferno of plasma heated to several million degrees Celsius.

    Parker will whip around the sun two dozen times over the next seven years, skirting within about 6...

    07/05/2018 - 07:09 Astronomy, Technology
  • News

    A brain chemical tied to narcolepsy may play a role in opioid addiction

    Using opioids gives some brain cells a call to action.

    Opioid addicts’ brains, examined after death, contain about 50 percent more nerve cells that release a molecule called hypocretin, compared with people who didn’t use the drugs, a new study finds. Giving the opiate morphine to mice also induced similar changes in their brains. But the increase didn’t come from new nerve cells, or...

    06/27/2018 - 14:00 Neuroscience, Health