News

  1. Animals

    Vampire bats don’t learn from bad lunch

    For the first time, a mammal has flunked a controlled test for developing a food aversion after getting sick just once, and that unusual creature is the common vampire bat.

    By Susan Milius
  2. Health & Medicine

    Protective virus ties up HIV docking sites

    A harmless virus that seems to keep HIV infections from progressing to AIDS appears to do so by occupying key molecular receptors on immune cells.

    By Nathan Seppa
  3. Physics

    New approach smooths wrinkle analysis

    A simple new theory of wrinkle formation predicts basic traits of wrinkled surfaces, such as how close together the folds will be, without miring scientists in impossible-to-solve equations.