And now, as John Cleese might say, for something completely different. A book review. Books about science aimed at a general audience can have profound effects. They might enlighten us concerning something we’ve wondered about (‘DNA, The Secret of Life’), or tell how a famous scientist lived and worked (‘Why Do You Care What Other People Think, Dr. Feynman?’). Or, they may change the way we see the world. In that category, for me, is a book by the Dutch ethologist Frans de Waal, with the axe-handle title, “Are We Smart Enough to Know How Smart Animals Are?”.… Read the rest “how smart are animals?”