Snerk...
For you 'sciency' types...
Ya know, I really DO wonder about folks sometimes...
Not saying I'm disagreeing, but somebody had way too much time on their hands. And I'm not sure I want to know 'how' they determined which was which.
Just sayin...
This IS funny. But, I remember when I was in school, taking an organic chemistry lab way back in the dark ages. The first thing the lab teaching assistants would do to start identifying a sample was take a big whiff, and maybe an occasional lick. All good humor has a basis in reality.
We really need to reverse the colors for Democrats....