You know, strictly speaking, a guinea pig isn't really a pig either. If you were expecting real physics, you should have realized from the word “social” that i

You know, strictly speaking, a guinea pig isn't really a pig either. If you were expecting real physics, you should have realized from the word “social” that it wouldn't be in there. Particle families aren't really families either. Quantum mechanical spin and flavor are just metaphors, too. Welcome to human language.