News

  1. Health & Medicine

    Embryos, please

    Almost half of Spanish couples who were asked recently to donate excess embryos for stem cell research did so.

    By Brian Vastag
  2. Health & Medicine

    Therapeutic sorghum?

    Sorghum's inflammation-fighting activity is comparable to that of a prescription arthritis medicine, animal research indicates.

    By Janet Raloff
  3. Physics

    Broadband vision

    Cells that act like optical fibers could explain why vertebrate retinas have sharp vision despite being mounted backwards.

    By Davide Castelvecchi
  4. Plants

    Tiny pool protects flower buds

    A rare structure on flowers, tiny cups that keep buds underwater until they bloom, can protect the buds from marauding moths.