Looking through rose-colored microscopes [1]

[ Sat. Jan. 6. 2007 ]

EVERY YEAR SINCE 1996, the online salon Edge has e-mailed a question to scientists and thinkers about the state of the world. This year's question was: "What are you optimistic about?" Below are excerpts of some of the responses. For full responses (and those of other contributors), go to http://www.edge.org [5] .