Our Inner Zoos

The implication was that big-brained Homo sapiens, perched at the top of the topmost twig, formed the pinnacle of evolution. This is a fallacy. Evolution proceeds by blind chance, not by design. We are adapted creatures, but we are not optimized creatures. As counterintuitive as it might seem, it’s inaccurate to suggest that humans are more evolved than, say, horseshoe crabs, which have been living and dying for 400 million years

From All Creatures, Great and Overrated, a March 16 column in the Sunday Globe.