Hilary Putnam, dead at 89, led a life of reason and argument. He was a thinker of breadth. “Any philosophy that can be put in a nutshell belongs in one”... more »
Adventures in lepidoptery. Nabokov regarded his 14-hour days producing comparative analyses of butterfly genitalia as the most rewarding of his life ... more »
Consciousness is a spectrum; the mind flows from one mental state to another. Software could imitate this spectrum. How would humans fare in a world of superhuman robots?... more »