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E.g., 04/30/2017
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Your search has returned 21736 articles:
  • Feature

    There’s still a lot we don’t know about the proton

    Nuclear physicist Evangeline Downie hadn’t planned to study one of the thorniest puzzles of the proton.

    But when opportunity knocked, Downie couldn’t say no. “It’s the proton,” she exclaims. The mysteries that still swirl around this jewel of the subatomic realm were too tantalizing to resist. The plentiful particles make up much of the visible matter in the universe. “We’re made of them...

    04/18/2017 - 08:00 Physics, Particle Physics, Quantum Physics
  • Mystery Solved

    Hawk moths convert nectar into antioxidants

    Hawk moths have a sweet solution to muscle damage.

    Manduca sexta moths dine solely on nectar, but the sugary liquid does more than fuel their bodies. The insects convert some of the sugars into antioxidants that protect the moths’ hardworking muscles, researchers report in the Feb. 17 Science.

    When animals expend a lot of energy, like hawk moths do as they rapidly beat their wings...

    04/17/2017 - 07:00 Ecology, Microbiology
  • Television

    The drama of Albert Einstein’s life unfolds in the new series Genius

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    Albert Einstein was a master of physics, but his talent in personal relationships was decidedly underdeveloped. A new 10-episode series, Genius, airing on the National Geographic Channel, focuses on the facets of Einstein’s life where he was anything but a virtuoso.

    Genius is a dramatization, not a documentary. The series reveals the human side of the famously brainy...

    04/16/2017 - 08:00 Physics, History of Science
  • Science Visualized

    Cells’ stunning complexity on display in a new online portal

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    Computers don’t have eyes, but they could revolutionize the way scientists visualize cells.

    Researchers at the Allen Institute for Cell Science in Seattle have devised 3-D representations of cells, compiled by computers learning where thousands of real cells tuck their component parts.

    Most drawings of cells in textbooks come from human interpretations gleaned by...

    04/12/2017 - 07:00 Cells
  • News

    Scientists seek early signs of autism

    Soon after systems biologist Juergen Hahn published a paper describing a way to predict whether a child has autism from a blood sample, the notes from parents began arriving. “I have a bunch of parents writing me now who want to test their kids,” says Hahn, of Rensselaer Polytechnic Institute in Troy, N.Y. “I can’t do that.”

    That’s because despite their promise, his group’s results,...

    04/10/2017 - 07:00 Human Development, Neuroscience
  • News

    Genetic risk of getting second cancer tallied for pediatric survivors

    WASHINGTON — A second cancer later in life is common for childhood cancer survivors, and scientists now have a sense of the role genes play when this happens. A project that mined the genetic data of a group of survivors finds that 11.5 percent carry mutations that increase the risk of a subsequent cancer.

    “We’ve always known that among survivors, a certain population will experience...

    04/07/2017 - 13:00 Cancer, Biomedicine, Genetics
  • News

    Common virus may be celiac disease culprit

    A common and usually harmless virus may trigger celiac disease. Infection with the suspected culprit, a reovirus, could cause the immune system to react to gluten as if it was a dangerous pathogen instead of a harmless food protein, an international team of researchers reports April 7 in Science.

    In a study in mice, the researchers found that the reovirus, T1L, tricks the immune system...

    04/06/2017 - 14:03 Health, Immune Science
  • News

    Cephalopods may have traded evolution gains for extra smarts

    Octopus, squid and cuttlefish don’t always follow the rules laid out in their DNA. Straying from prescribed genetic instructions may have increased the cephalopods’ thinking prowess, but comes at a cost, a new study suggests.

    Once genes have been copied from DNA into RNA, these cephalopods heavily edit the genes’ protein-making directions, researchers report April 6 in Cell. The study...

    04/06/2017 - 12:00 Genetics
  • Growth Curve

    Language heard, but never spoken, by young babies bestows a hidden benefit

    The way babies learn to speak is nothing short of breathtaking. Their brains are learning the differences between sounds, rehearsing mouth movements and mastering vocabulary by putting words into meaningful context. It’s a lot to fit in between naps and diaper changes.

    A recent study shows just how durable this early language learning is. Dutch-speaking adults who were adopted from South...

    04/05/2017 - 14:00 Human Development, Health
  • News

    Massive red, dead galaxy spotted in young universe

    A hefty red, dead galaxy in the early universe appears to have bulked up a bit too fast.

    The galaxy, seen as it was when the universe was only 1.65 billion years old, weighs at least three times as much as the Milky Way, but has stopped making stars. Other galaxies at the time tend to be much smaller and continue to churn out stars. How such a monster was made in less than a billion...

    04/05/2017 - 13:00 Astronomy