“…there is no ladder of intelligence. Intelligence is not a single dimension. It is a complex of many types and modes of cognition, each one a continuum. … we have no measurement, no single metric for that intelligence. Instead we have many different metrics for many different types of cognition.”

“A squirrel can remember the exact location of several thousand acorns for years, a feat that blows human minds away. So in that one type of cognition, squirrels exceed humans.”