Motus Mentis

Glaciers are melting in Europe. Alpine valleys that have been blocked by rivers of ice for as long as anyone can remember are now passable on foot. This is due to the maleficent influence of human activity, we hear: in particular, due to humans of the gas-guzzling American entrepreneurial capitalist white male sort. But there was time, long before Republicans, oil-company executives, current or prospective vice-presidents, or talk-radio personalities bestrode the beleaguered Earth, when those same high valleys were as free of ice as they may soon be again. Reader JK earns his second hat tip in as many days with this item about recent archaeological discoveries in Switzerland.