“ Infection by sushi eating microbes? :) Quote: "I eat a lot of sushi, even though I am not Asian. Would I maybe have the same microbe?" Probably... (read full comment) ” 

Posted on April 13, 2010 at 5:26 AM EDT

“ Why would a perpetual motion machine be useful to anyone? Perpetual motion machines are impossible creations and are practically useless (even if... (read full comment) ” 

Posted on April 13, 2010 at 5:04 AM EDT