Media Object: Animal Intelligence | After Dark Online

What do animals know, and how do they know it? Author Peter Godfrey-Smith discusses his latest book, an inquiry into the origins of animal intelligence considering ocean creatures from sponges and shrimp to octopuses and whale sharks. These animals hold surprising lessons for some of philosophy's most vexing puzzles: how animals first folded the raw materials of nature into minds, why it worked, and what sort of thing a mind might be, whether it belongs to a sea slug, a crow, or ourselves.