Carl Sagan, writer and scientist, returns from the frontier to tell us about how the world works. In his delightfully down-to-earth style, he explores and explains a mind-boggling future of intelligent robots, extraterrestrial life and its...
Brilliant, shattering, mind-jolting, The Mind’s I is a searching, probing nook—a cosmic journey of the mind—that goes deeply into the problem of self and self-consciousness as anything written in our time. From verbalizing chimpanzees to...
"This lecture is about whether we can predict the future, or whether it is arbitrary and random. In ancient times, the world must have seemed pretty arbitrary. Disasters such as floods or diseases must have seemed to happen without warning or...