Uncategorized

  1. Health & Medicine

    Umbilical Bounty: Cord blood shows value against leukemia

    Umbilical cord blood transplants offer a viable treatment alternative for leukemia patients who don't have a matching bone marrow donor.

    By Nathan Seppa
  2. Paleontology

    Subway dig in L.A. yields fossil trove

    Fossil finds made when a subway line was extended from Los Angeles into the San Fernando Valley include bones of mastodons, ground sloths, extinct bison and camels, and 39 new species of fish.

    By Sid Perkins

  3. Nightlife: Marsupial meets mistletoe

    A tiny marsupial in Argentina turns out to disperse mistletoe seeds, a job once presumed to be for the birds.

    By Susan Milius

  4. Great tits inherit egg spots from mom

    An unusual study of eggshell spots suggests that there may be a gene for spottiness on the great tit's female sex chromosome.