Uncategorized

  1. Life

    A gene therapy shot might keep cats from getting pregnant without being spayed

    Even after mating with fertile males, females given the cat contraceptive, which targets an ovulation-preventing hormone, did not get pregnant.

    By Erin Garcia de Jesús
  2. Ecosystems

    Marjorie Weber explores plant-protecting ants and other wonders of evolution

    Cooperation across the tree of life is an understudied driver of evolution and biodiversity, Marjorie Weber says.

    By Meghan Rosen
  3. Anthropology

    Homo naledi may have dug cave graves and carved marks into cave walls

    Proposed discoveries of humanlike activities by these ancient, small-brained hominids have elicited skepticism from some researchers.

    By Bruce Bower
  4. Life

    Air pollution monitoring may accidentally help scientists track biodiversity

    Filters in air monitoring facilities inadvertently capture environmental DNA, which could give scientists a new tool to track local plants and animals.