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E.g., 11/21/2017
E.g., 11/21/2017
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Your search has returned 109675 articles:
  • Growth Curve

    Six-month-old babies know words for common things, but struggle with similar nouns

    Around the six-month mark, babies start to get really fun. They’re not walking or talking, but they are probably babbling, grabbing and gumming, and teaching us about their likes and dislikes. I remember this as the time when my girls’ personalities really started making themselves known, which, really, is one of the best parts of raising a kid. After months of staring at those beautiful, bald...

    11/20/2017 - 16:30 Child Development, Parenting
  • News

    This material does weird things under pressure

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    A newly fabricated material does more than just hold up under pressure. Unlike many ordinary objects that shrink when squeezed, the metamaterial — a synthetic structure designed to exhibit properties not typically found in natural materials — expands at higher pressures.

    This counterintuitive material is made up of a grid of hollow 3-D crosses — shaped like six-way...

    11/20/2017 - 09:00 Materials, Technology
  • Science Visualized

    Watch NASA’s mesmerizing new visualization of the 2017 hurricane season

    View the video

    How do you observe the invisible currents of the atmosphere? By studying the swirling, billowing loads of sand, sea salt and smoke that winds carry. A new simulation created by scientists at NASA’s Goddard Space Flight Center in Greenbelt, Md., reveals just how far around the globe such aerosol particles can fly on the wind.

    The complex new simulation , powered by...

    11/20/2017 - 07:00 Earth, Climate
  • Exhibit

    A new map exhibit documents evolving views of Earth’s interior

    Much of what happens on the Earth’s surface is connected to activity far below. “Beneath Our Feet,” a temporary exhibit at the Norman B. Leventhal Map Center in the Boston Public Library, explores the ways people have envisioned, explored and exploited what lies underground.

    “We’re trying to visualize those places that humans don’t naturally go to,” says associate curator Stephanie Cyr...

    11/19/2017 - 07:00 History of Science, Earth
  • Science Ticker

    The Arecibo Observatory will remain open, NSF says

    The iconic Arecibo Observatory has survived a hurricane and dodged deep budget cuts. On November 16, the National Science Foundation, which funds the bulk of the observatory’s operating costs, announced that they would continue funding the radio telescope at a reduced level.

    It’s not clear yet who will manage the observatory in the long run, or where the rest of the funding will come...

    11/17/2017 - 15:15 Astronomy
  • News

    Skeletons could provide clues to who wrote or protected the Dead Sea Scrolls

    BOSTON — A decades-long debate over who once occupied a settlement located near the caves where the Dead Sea Scrolls were found has taken a chaste turn.

    Analyses of 33 newly excavated skeletons of people buried at the West Bank site, Qumran, supports a view that the community consisted of a religious sect of celibate men. Anthropologist Yossi Nagar of the Israel Antiquities Authority in...

    11/17/2017 - 14:05 Archaeology
  • News in Brief

    The key to breaking down plastic may be in caterpillars’ guts

    MINNEAPOLIS — To destroy plastic, caterpillars go with their gut bacteria.

    Caterpillars that nibble through polyethylene plastic cultivate a diverse community of digestive bacteria that process the plastic, researchers reported November 13 at the annual meeting of the Society of Environmental Toxicology and Chemistry North America. Dousing old plastic in a similar mix of bacteria might...

    11/17/2017 - 13:12 Animals, Pollution
  • Science Visualized

    Fluorescence could help diagnose sick corals

    Sickness makes some corals lose their glow.

    Disease reduces a coral’s overall fluorescence even before any sign of the infection is visible to the naked eye, a new study finds. An imaging technique that illuminates the change could help with efforts to better monitor coral health, researchers report November 6 in Scientific Reports.

    Many corals naturally produce fluorescent...

    11/17/2017 - 07:00 Animals, Technology, Conservation
  • News

    Current CRISPR gene drives are too strong for outdoor use, studies warn

    Gene-editing tools heralded as hope for fighting invader rats, malarial mosquitoes and other scourges may be too powerful to use in their current form, two new papers warn.

    Standard forms of CRISPR gene drives, as the tools are called, can make tweaked DNA race through a population so easily that a small number of stray animals or plants could spread it to new territory, predicts a...

    11/16/2017 - 15:00 Genetics, Conservation
  • News

    Excess antielectrons aren’t from nearby dead stars, study says

    New observations of the whirling cores of dead stars have deepened the mystery behind a glut of antimatter particles raining down on Earth from space.

    The particles are antielectrons, also known as positrons, and could be a sign of dark matter — the exotic and unidentified culprit that makes up the bulk of the universe’s mass. But more mundane explanations are also plausible: Positrons...

    11/16/2017 - 14:19 Particle Physics