News

  1. Animals

    Would dogs return the favor if you gave them treats? It’s complicated

    An experiment in which dogs did not reciprocate food giving with humans may reveal something about the dogs, or about how science is done.

    By Betsy Mason
  2. Animals

    Climate change may rob male dragonfly wings of their dark spots

    Less colorful, cooler wings may be advantageous to dragonflies in a warmer world. But the change could mess with the insects’ mating.

    By Jake Buehler
  3. Animals

    Froghoppers are the super-suckers of the animal world

    To feed on plant xylem sap, a nutrient-poor liquid locked away under negative pressure, froghoppers have to suck harder than any known creature.