News

  1. Animals

    Comb jellies take root in a new tree of animal life

    A team of biologists places comb jellies, not sponges, at the base of a new tree of animal life.

    By Amy Maxmen
  2. Health & Medicine

    Take a Breath: Fatty substance may play role in cystic fibrosis

    A fatty compound called ceramide that accumulates in lung cells may be instrumental in the devastating disease cystic fibrosis.

    By Nathan Seppa
  3. Health & Medicine

    Traveling Toxin: Botox may hitch a ride on nerve cells

    New evidence suggests that Botox migrates from the injection site, perhaps traveling along nerve cells.

    By Rachel Ehrenberg
  4. Paleontology

    Salty Old Cellulose: Tiny fibers found in ancient halite deposits

    Researchers have recovered microscopic bits of cellulose from 253-million-year-old salt deposits deep underground.