News

  1. Spider real estate wars: Wake up early

    Big spiders in a colony get prime real estate day after day by spinning webs early.

    By Susan Milius

  2. Dolphins bray when chasing down a fish

    The first high-resolution analysis of which dolphin is making which sound suggests that hunters blurt out a low-frequency, donkeylike sound that may startle prey into freezing for an instant or attract other dolphins.

    By Susan Milius

  3. Invader ants win by losing diversity

    The Argentine ants that are trouncing U.S. species derive much of their takeover power, oddly enough, from losing genetic diversity.

    By Susan Milius

  4. Attachment disorder draws closer look

    A substantial minority of children exposed to severe deprivation in institutions as infants can't form close relationships, a condition for which there is no established treatment.