Uncategorized

  1. 19699

    Please check the picture in this article. The teeth shown are lower teeth. Theodore BlinderHavertown, Pa. The story and caption misidentified the teeth that had been filed down 4,300 years ago. They were the bottom-front teeth, shown at left in the photo. —B. Bower

    By Science News
  2. Tech

    Pumping Alloy

    A new way to power artificial muscles improves the prospects for making lifelike humanoid robots and prosthetic limbs.

    By Peter Weiss

  3. 19698

    Your article implies that there’s not an available cure for chronic fatigue syndrome. I was amazed to find no mention of vitamin B12. I can attest to the remarkable effect. Earl L. PyeOak Hills, Calif . Limited evidence suggests that vitamin B12 absorption may be impaired in some people with chronic fatigue syndrome.