July 1st, 2011, Scholar Makoto Manabe is explaing about why Tyrannosaurus rex cannot run fast.  The Dinosaur Expo 2011 is held at the National Science Museum in Ueno, Japan. The main attractions of the event are showpieces of Tyrannosaurus rex and triceratops fossils, which are facing each other as if they are fighting. The exhibition will be held from July 2 to October 2, 2011.
{}