News

  1. Anthropology

    Big Neandertal noses weren’t made for cold

    Tiny cameras threaded inside a Neandertal skull provide evidence that their big noses were not an adaptation to cold climates.

    By Tom Metcalfe
  2. Animals

    How male seahorses tap into their mothering side

    By studying the genes responsible for the seahorse’s brood pouch, researchers uncovered a new route to “motherhood.”

    By Elizabeth Pennisi
  3. Paleontology

    Nanotyrannus is still not a teenage T. rex

    Nanotyrannus wasn’t a juvenile T. rex but a petite adult of a separate species, a new study of fossil hyoid bones finds, bolstering a recent report.

    By Carolyn Gramling
  4. Health & Medicine

    How a bacterial toxin linked to colon cancer messes with DNA

    A closeup look at colibactin’s structure reveals chemical motifs that guide its mutation-wreaking “warheads” to specific stretches of DNA.