Uncategorized

  1. Health & Medicine

    Food Forays

    Ever wonder what the Vikings ate on their lengthy voyages to new lands? What pioneers cooked on their treks along the Oregon Trail? Who invented the potato chip? The fascinating answers to these and many other food-related questions can be found at the Food Timeline, a collection of links to related Web pages, compiled by […]

    By Science News
  2. Health & Medicine

    Natural fluoride isn’t quite enough

    In the absence of a public water-fluoridation program in eastern Germany, natural background concentrations of fluoride in drinking water affect children’s dental health.

    By Ben Harder
  3. Earth

    Child-care sites, health threats

    Federal agencies have completed the first national study of lead, pesticides, and allergens in U.S.