2010-07-27 パンゲア大陸 http://www.google.co.jp/search?aq=f&sourceid=chrome&ie=UTF-8&q=%E3%83%91%E3%83%B3%E3%82%B2%E3%82%A2%E5%A4%A7%E9%99%B8Discovery => http://japan.discovery.com/index.html