When I went to a Buddhist service, I got a notice about the International Archaebotany Symposium, which will be admission free.
International Archaeobotany Symposium (click on "english" on the first news)
Date: Sunday, 30 August (9:30-17:00) to Monday, 31 August (9:50-17:00) 2009
Place: The Lecture Hall, Research Institute for Humanity and Nature (RIHN)
Organiser: RIHN Sato Project