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E.g., 07/19/2019
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Your search has returned 2006 articles:
  • Feature

    Nanosponges sop up toxins and help repair tissues

    To take his fledgling lab to new heights, Liangfang Zhang hatched a plan that he considered brilliant in its simplicity. It involved procedures that many of his peers found a little out there. But if he could make his idea work, it would clear a major hurdle to safely ferry therapies through the body on nanoparticles one-thousandth the width of a human hair.

    Yet back in 2010, the young...

    03/07/2019 - 07:00 Biomedicine, Technology
  • News

    Wireless patches can comfortably monitor sick babies’ health

    Wireless skin patches that measure a baby’s vital signs could offer a safer, more comfortable way of monitoring premature and sick infants in the hospital.

    Each year, about 300,000 newborns are admitted to U.S. neonatal intensive care units, or NICUs, including preemies that are vulnerable to heart problems, breathing trouble and other medical complications (SN Online: 2/16/11). Doctors...

    02/28/2019 - 14:00 Health, Technology
  • Soapbox

    Why a data scientist warns against always trusting AI’s scientific discoveries

    WASHINGTON — We live in a golden age of scientific data, with larger stockpiles of genetic information, medical images and astronomical observations than ever before. Artificial intelligence can pore over these troves to uncover potential new scientific discoveries much quicker than people ever could. But we should not blindly trust AI’s scientific insights, argues data scientist Genevera...

    02/20/2019 - 13:28 Artificial Intelligence, Technology, Science & Society
  • News

    Why some Georgia O’Keeffe paintings have ‘art acne’

    WASHINGTON — Like pubescent children, the oil paintings of Georgia O’Keeffe have been breaking out with “acne” as they age, and now scientists know why.

    Tiny blisters, which can cause paint to crack and flake off like dry skin, were first spotted forming on the artist’s paintings years ago. O’Keeffe, a key figure in the development of American modern art, herself had noticed these knobs...

    02/16/2019 - 09:00 Chemistry, Technology
  • News

    A new insulation material is practically weightless yet still durable

    A new, nearly weightless insulation material can withstand extreme heat that would destroy other materials.

    The porous aerogel is at least 99 percent open space, with the rest made up of an atomically thin ceramic called hexagonal boron nitride. The design proves extremely durable under high temperatures and rapid temperature shifts of over 1,000 degrees Celsius, researchers report in...

    02/14/2019 - 14:00 Materials, Technology
  • News in Brief

    A new 2-D material uses light to quickly and safely purify water

    Using light, a prototype “green” material can purify enough daily drinking water for four people in just one hour. In tests, it killed nearly 100 percent of bacteria in 10 liters of water, researchers report February 7 in Chem.

    This new material, a 2-D sheet of graphitic carbon nitride, is a photocatalyst: It releases electrons when illuminated to create destructive oxygen-based...

    02/12/2019 - 15:30 Technology, Sustainability
  • Feature

    Robots are becoming classroom tutors. But will they make the grade?

    Pondering a tablet screen displaying a town scene, a pre-K student tilts her head to the side and taps her lip thoughtfully.

    “What are we trying to find?” asks the plush, red and blue robot called Tega that’s perched on the desk beside the girl. The bot resembles a teddy bear–sized Furby.

    “We are trying to find lavender-colored stuff,” the girl explains. Lavender is a new...

    02/12/2019 - 06:00 Robotics, Technology, Science & Society