DAVID: For our chocoholic: > http://www.sciencedaily.com/releases/2012/09/120920135605.htm > > I am totally mystified as to why researchers should think it necessary to explain why humans (and rats) find chocolate irresistible. The puzzle is why some humans (and presumably some rats) do NOT find it irresistible.-Human curiosity is endless. Besides one has to do something to justify the grant money, the source of life for many labs.