Nifty, Complex Su Doku

benhill posted a link to a So Duku that requires math as well as logic. nosebeepbear, might you point the roommate at this? I think he'd really enjoy it.

Hurrican Formation

dr_tectonic went all weather-geeky, leaving me totally aswoon. He wrote about technical aspects of hurricane formation, so naturally i thought of flyingwolf, but figured others of you would be interested.