Problem Solved: The Egg Came First - Smithsonian (blog)

via brain teasers - Google News http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNGbvh8VcN7ZjQ_hrdAIPuQyEaSvvw&url=http://blogs.smithsonianmag.com/smartnews/2013/03/problem-solved-the-egg-came-first/