Uncategorized

  1. Health & Medicine

    Ketamine cultivates new nerve cell connections in mice

    In mice, ketamine prods nerve cells to connect, which may explain the hallucinogenic drug’s ability to ease depression.

    By Laura Sanders
  2. Climate

    Climate change made the Arctic greener. Now parts of it are turning brown.

    Arctic browning could have far-reaching consequences for people and wildlife, affecting habitat and atmospheric carbon uptake as well as increasing wildfire risk.

    By Hannah Hoag
  3. Anthropology

    A new hominid species has been found in a Philippine cave, fossils suggest

    Cave fossils found in the Philippines come from a newly discovered member of the human lineage, researchers say.

    By Bruce Bower
  4. Astronomy

    How scientists took the first picture of a black hole

    Here’s how scientists connected eight observatories across the world to create one Earth-sized telescope in order to create an image of a black hole.