5th-Grader Finds a Mistake at the Smithsonian Museum

news.yahoo.com — Since the Smithsonian opened in 1981, millions of people have passed a display involving prehistoric time. Nobody ever reported anything amiss with the exhibit until 11-yr-old Kenton Stufflebeam noticed that a notation identified the Precambrian as an era. Of course, everyone knows that the Precambrian is actually a dimensionless unit of time... Apr 3, 2008 View in Crawl 4