We support Black Lives Matter. We recorded this well before the protests began, so nothing is related to the current protests in this episode. Nevertheless, we wanted to show our support in some small way!

Is kissing learned or genetic? Both of course. But why do we do it? It turns out It is pretty common among a wide range of cultures, yet not completely universal. The history is also unclear and several theories exist, but very few seem comprehensive enough to adequately address the existence of this strange behavior. Or not so strange. Animals do it too!

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