Uncategorized

  1. Health & Medicine

    Brain Food

    New food labeling will identify foods rich in choline, a nutrient that plays an integral role in learning and brain health.

    By Janet Raloff
  2. Tech

    Curve on golf club sends ball straight

    Although the curved faces of golf clubs called drivers blast balls sideways, their convex design works just right to compensate for other effects tending to make balls veer off the fairway, new calculations show.

    By Peter Weiss
  3. Tech

    Cooling film tempers tiny hot spots

    Shattering a 40-year-old performance limit, a new layered, semiconductor material promises to spur wider use of so-called thermoelectric devices that cool or heat electrically and can convert heat to electric power.