Uncategorized

  1. Health & Medicine

    No benefit from screening

    Two large studies confirm that a urine test for a common childhood cancer—neuroblastoma—offers no benefit.

    By
  2. Boys take a tumble

    A long-term study of children from grades 1 through 12 finds a disturbing tendency for boys to report much larger declines in appraisals of their academic abilities than do girls.

    By
  3. 19003

    This article says, “While tornadoes are most common on the Great Plains and throughout the Mississippi River valley, they can occur almost anywhere in the United States.” Are tornadoes unique or more common in North America than elsewhere? Ruth HousmanNewton Center, Mass. Tornadoes have been spotted on every continent except Antarctica, says Harold Brooks of […]

    By
  4. Earth

    Tornado Alley, USA

    A new model that simulates 30,000 years worth of tornadoes in the United States finds that the place not to be if you fear funnel clouds is southeastern Oklahoma, where any particular spot can expect to get damaged once every 4,000 years.