Yes, and thank you, I couldn't remember the name of the book to reference it!
I think it makes a somewhat strong case; to me, the big problem to explain regarding the evolution of intelligence is the fact that it only helps survival a little bit, not a lot. And it evolved in very little time, which usually requires huge selection pressure. Sexual selection offers a potential explanation there.
I think it makes a somewhat strong case; to me, the big problem to explain regarding the evolution of intelligence is the fact that it only helps survival a little bit, not a lot. And it evolved in very little time, which usually requires huge selection pressure. Sexual selection offers a potential explanation there.