Science

  • Your brain is like a wad of paper

    Your brain is like a wad of paper

    Whether they’re from humans, whales, or elephants, the brains of many mammals are covered with elaborate folds. Now, a new study shows that the degree of this folding follows a simple mathematical relationship—called a scaling law—that also explains the crumpling of paper. That observation suggests that the myriad forms of mammalian brains arise not from…

  • Why a pandemic flu shot caused narcolepsy

    Why a pandemic flu shot caused narcolepsy

    The 2009 H1N1 influenza pandemic left a troubling legacy in Europe: More than 1300 people who received a vaccine to prevent the flu developed narcolepsy, an incurable, debilitating condition that causes overpowering daytime sleepiness, sometimes accompanied by a sudden muscle weakness in response to strong emotions such as laughter or anger. The manufacturer, GlaxoSmithKline (GSK), has acknowledged the link, and some patients and their families have…

  • Sorting cells through levitation

    Sorting cells through levitation

    What looks like a row of drifting gumdrops could hold a wealth of information for both clinical researchers and bench scientists. A team of bioengineers and geneticists has designed a device that can suspend a single living cell between magnets and measure its density based on how high it floats. Such measurements could be used…

  • Newly identified brain structure may explain why parrots are such good copycats

    Newly identified brain structure may explain why parrots are such good copycats

    Scientists say they have pinpointed the neurons that turn these birds into copycats. The discovery could not only illuminate the origins of bird-speak, but might shed light on how new areas of the brain arise during evolution.

  • Huge study links wastewater injection wells to earthquakes

    Huge study links wastewater injection wells to earthquakes

    Before 2008, Oklahoma experienced roughly one noticeable earthquake per year. By 2014, that number had soared to almost one a day, and the state is not alone. Scientists have documented an astronomical rise in seismic activity across the central and eastern United States, linking it to wastewater pumped into the ground from burgeoning oil and…

  • Chimps caught drinking after hours

    Chimps caught drinking after hours

    Alcoholic beverages are imbibed in nearly every human society across the world—sometimes, alas, to excess. Although recent evidence suggests that tippling might have deep roots in our primate past, nonhuman primates are only rarely spotted in the act of indulgence. A new study of chimpanzees with easy access to palm wine shows that some drink…

  • Comet impacts may explain mysterious swirls on moon

    Comet impacts may explain mysterious swirls on moon

    Light-colored swaths of terrain may be a side effect of comets striking the moon

  • Some chimpanzees infected with AIDS virus may harbor protective, humanlike gene

    Some chimpanzees infected with AIDS virus may harbor protective, humanlike gene

    A gene has been found for what’s known as the major histocompatibility complex (MHC)—cell surface molecules that help the immune system recognize foreigners—that was remarkably similar to one in humans that allows infected people to keep the virus in check for decades. And it seemed to be doing the same thing in SIVcpz-infected Gombe chimps.

  • Electron microscopes close to imaging individual atoms

    Electron microscopes close to imaging individual atoms

    Researchers report that they’ve created the highest ever resolution cryo-EM image, revealing a druglike molecule bound to its protein target at near atomic resolution.