NASA spacecraft scouts for alien worlds

NASA's Deep Impact spacecraft has begun scouting for alien (exosolar) planets as part of its extended mission, called EPOXI. Earlier, Deep Impact had made history when the mission team directed an......

COLUMN: If you're so smart, why aren't you rich?

The true creators of the knowledge that lead to very, very successful companies do not often financially benefit from the knowledge they create and disseminate, writes Ajit Balakrishnan Next time......