News

  1. Health & Medicine

    Memory may draw addicts back to cocaine

    The hippocampus may be the seat of powerful cravings for cocaine in rats and play a key role in drug-addiction relapse.

    By Jessa Netting
  2. Earth

    Lead Therapy Won’t Help Most Kids

    Removing lead from the blood fails to spare even moderately exposed children from cognitive impairments.

    By Janet Raloff
  3. Health & Medicine

    Fat may spur heart cells on to suicide

    Fat in the heart may kill cells and eventually lead to heart failure.

    By Jessa Netting
  4. Health & Medicine

    Virulent bacterium’s DNA is sequenced

    The completed genome sequence of Staphylococcus aureus reveals transfers from other organisms of many of the antibiotic-resistance and virulence genes.