From KurzweilAI.net, some bleeding-edge science news and speculation:
Freeman Dyson has an interestingand though I respect him, I feel, not wholly convincingargument for space exploration.
Fish oil may be good against Alzheimer’s disease!
Wired reports on a useful new biolaser for looking inside cells, which may help us figure out how the hell stem cells work.
And NASA engages in a little fun speculation about what a Martian mission might look like in the future, and reports on the current state of automated exploration. Which, if you ask me, is really the way to go for now.