予知困難　等身大の説明大切
http://sankei.jp.msn.com/science/news/120308/scn12030822590004-n1.htm

ちょっと広末入ってるかね(;´Д`)

http://www.google.co.jp/search?q=%E5%A4%A7%E6%9C%A8%E8%81%96%E5%AD%90&oe=utf-8&rls=org.mozilla:ja:official&hl=ja&client=firefox-a&um=1&ie=UTF-8&tbm=isch&source=og&sa=N&tab=wi&ei=dlVZT7SRMcSziQfbssHODQ&biw=1341&bih=1004&sei=elVZT9rAMs2ciAeJ-8S2DQ