I believe that laughter is the best emotional Band-Aid in the world. It's like nature's Neosporin.
They have to exist or not in their own right. I mean, with kids, you don't say, 'Which is your favourite,' or 'Which did you enjoy bringing up the best?'
True science is never speculative; it employs hypotheses as suggesting points for inquiry, but it never adopts the hypotheses as though they were demonstrated propositions.

