"Over the weekend, I borrowed a friend’s time machine and cold-bloodedly killed a Neandertal, a Homo erectus, an Australopithecus, a dolphin, a chimp, eight sentient robots, the first extraterrestrial visitor to Earth, and my neighbor with the unreasonably loud sound system. Question: in the eyes of the law, how many murders did I just commit?" — John Rennie on the ongoing debate about intelligence, species, and the rights of non-human persons. Read his great story at Smart Planet. (Via Philip Yam) NOW WITH WORKING LINK!