2011-02-15 Galileo Galilei * http://en.wikipedia.org/wiki/Galileo_Galilei_ Calvino, Galileo e la luna http://www.youtube.com/watch?v=fpvLGfe2gj8 _ Galileo Galilei 僕から君へ.mp4 http://www.youtube.com/watch?v=m3eY4IQ0Qh0