http://en.wikipedia.org/wiki/Gottfried_Leibniz http://www.radicalacademy.com/philleibniz.htm_ Anthony Quinton on Spinoza and Leibniz: Section 1 http://www.youtube.com/watch?v=GmbGbo-oyKc _ Gottfried Leibniz http://www.youtube.com/watch?v=N…

TOKYO_SUNRISE-04:25 SUNSET-19:00 MOON-08.7DAYS_ Bright Green Comet Easy to See This Week http://news.nationalgeographic.com/news/2010/06/100615-biggest-comet-mcnaught-sky-show-science-space/スナックの日, 漬物の日, 冷蔵庫の日, 大師の縁日, …