Uncategorized

  1. Tech

    Origami outfits help these bots change tasks swiftly

    These robots change shape by slipping into different origami exoskeletons.

    By
  2. Paleontology

    This giant marsupial was a seasonal migrant

    A new analysis suggests that Diprotodon optatum, a giant plant-eating marsupial that went extinct about 40,000 years ago, migrated long distances, much like today’s zebras and wildebeests.

    By
  3. Animals

    To test sleep, researchers don’t let sleeping jellyfish lie

    Upside-down jellyfish are the first known animals without a brain to enter a sleeplike state.

    By
  4. Physics

    Turning up the heat on electrons reveals an elusive physics phenomenon

    Heating a strip of platinum creates a “spin current” in the material’s electrons due to the spin Nernst effect.

    By
  5. Health & Medicine

    About 1 in 5 teens has had a concussion

    Almost 20 percent of U.S. teens have had at least one diagnosed concussion in the past, an analysis of a 2016 national survey finds.

    By
  6. Anthropology

    Neandertal kids were a lot like kids today — at least in how they grew

    Ancient youngster’s spine and brain grew at relatively slow pace.

    By
  7. Health & Medicine

    From day one, a frog’s developing brain is calling the shots

    Frog brains help organize muscle and nerve patterns early in development.

    By
  8. Environment

    The way poison frogs keep from poisoning themselves is complicated

    Gaining resistance to one of their own toxins forced some poison dart frogs to make other genetic tweaks, too.

    By
  9. Neuroscience

    Gene variant linked to Alzheimer’s disease is a triple threat

    A genetic risk factor for Alzheimer’s disease works on multiple aspects of the disease, researchers report.

    By
  10. Psychology

    Confusion lingers over health-related pros and cons of marijuana

    50 years ago, the effects of chronic marijuana smoking on mental health were hazy. They still are.

    By
  11. Earth

    Plate tectonics started at least 3.5 billion years ago

    Analyses of titanium in rock suggest plate tectonics began 500 million years earlier than thought.

    By
  12. Astronomy

    Ultrahigh energy cosmic rays come from outside the Milky Way

    The biggest cosmic ray haul ever points toward other galaxies as the source of the rays, not our own.

    By