Quote of the Day

From the standpoint of sexual selection, the mind is best seen as a gaudy, over-powered home entertainment system, evolved to help our stone-age ancestors to attract, amuse, and bed each other.
-Denis Dutton

And, in the "Excuse me, is that a large vocabulary in your pocket or are you just happy to see me?" category:

As a telling example of the human self-created overabundance of mental capacity, consider vocabulary. Nonhuman primates have up to twenty distinct calls. The average human knows perhaps 60,000 words, learned at an average of ten to twenty a day up to age 18. As 98 per cent of daily speech uses only about 4,000 words, and no more than a couple of thousand words at most would have sufficed in the Pleistocene, the excess vocabulary is well explained by sexual selection theory as a fitness and general intelligence indicator. Miller points out that the correlate between body symmetry—a well-known fitness indicator—and intelligence is only about 20 per cent. Vocabulary size, on the other hand, is more strongly correlated to intelligence, which is why it is still used both in scientific testing and more generally by people automatically to gauge how clever a person is. Such an indicator is especially telling in courtship contexts. Indeed, extravagant, poetic use of language— including a large vocabulary and syntactic virtuosity—is associated worldwide with love, being a kind of cognitive foreplay. But it is also, he points out, something that can “give a panoramic view of someone’s personality, plans, hopes, fears, and ideals.” It would therefore have been an essential item in the inventory of mate selection criteria (Miller 2000).