The Japan Society for the Promotion of Science is inviting nominations to the 2013 International Prize for Biology which is given in ceremonies held in the presence of His Majesty the Emperor. The Prize, compromising a medal and prize of ten million yen, is awarded to the selected recipient in autumn every year. For 2013, the selection committee has chosen the theme "Biology of Evolution." Attached is the nomination form and other requirements, which should be emailed to the committee by no later than May 17. The nomination form can also be downloaded from the JSPS website: http://www.jsps.go.jp/english/e-biol/index.html.