Uncategorized

  1. Space

    Planet hidden in Hubble archives

    A new way to process images reveals an extrasolar planet that had been hiding in an 11-year-old Hubble picture.

    By Ron Cowen
  2. Math

    Chicks do arithmetic

    Using the natural inclination of young chickens to cluster in large groups, researchers show that the birds are hatched with a numerical sense.

    By Susan Milius
  3. Life

    Genes help monarchs migrate

    At least 40 genes help monarch butterflies find their way to overwintering sites in Mexico.

    By Tina Hesman Saey
  4. Health & Medicine

    Parasites hinder immunity against cholera

    Harboring intestinal parasites seems to limit a person’s ability to fend off cholera, a new study conducted in Bangladesh shows.