http://en.wikipedia.org/wiki/Ludwig_Boltzmann_ BBC-Dangerous Knowledge (Part 1-10) http://www.youtube.com/watch?v=Cw-zNRNcF90 _ Do we really exist? http://www.youtube.com/watch?v=Axw8AeNVS1c

TOKYO_SUNRISE-06:23 SUNSET-17:27 MOON-17.0DAYS_ Red Squirrel, Poland http://photography.nationalgeographic.com/photography/photo-of-the-day/red-squirrel-snow-poland/旅券の日, 歌舞伎の日, 水戸梅まつり, アレルギーの日, 大阪住吉神社一夜官女, …