Kepler-452b revolves around a sun much like our own.
September 7, 1987|
Although many scientists must narrowly fail to make an important discovery, it is hard not to feel guilty for not having pushed oneself just that little bit harder. Early in my career as a psychologist, I began to study vision in the octopus. I chose this strange beast because it was an invertebrate; hence its visual system, though highly developed, has evolved from structures very different from that of vertebrates. I believed (perhaps rather naively) that by finding the differences betwee