Our greatest invention was the invention of invention itself
What caused our species to break out of the pattern set by archaic humans? "There were probably many factors. But from my perspective as someone who studies the human mind, one development stands out as of special importance. There is a mental ability we possess today that must have emerged at some point in our history, and whose emergence would have vastly enhanced our ancestors’ creative powers." Philosopher Keith Frankish contemplates for Psyche magazine.