News

  1. Health & Medicine

    Don’t forget diet composition

    Caloric restriction, an antiaging technique, fails to lower levels of IGF-1, a growth factor that, in high amounts, is linked to cancer in humans. But cutting protein along with calories does decrease IGF-1.

    By Tina Hesman Saey
  2. Life

    Old fish, new fish, red fish, blue fish

    A difference in vision in cichlids in Lake Victoria could be pushing a species to split into two.

    By Patrick Barry
  3. Health & Medicine

    Pregnancy curiosity

    Asian-Caucasian couples having children face slightly increased risks of pregnancy complications.

    By Nathan Seppa
  4. Health & Medicine

    Anthrax vaccine makeover

    Revamped anthrax vaccination regimen eases some side effects that have hampered the vaccine’s acceptance.