Each year the Edge Foundation poses one thought-provoking question to over one hundred of the world's leading minds. This year's question: "What are you optimistic about?" Edge publisher John Brockman points out that while conventional wisdom warns us that things are sliding from bad to worse, many of our top scientists have a brighter outlook on our future. This stimulating compilation of answers represents high-powered optimism from 160 thinkers and scientists speaking of things as diverse as cancer, solar power, climate and culture.
