Weekend field trips on the WebBy Alan Boyle, Science Editor, NBC News• New Scientist: Boulders dash hopes for Mars landing site• N.Y. Times (reg. req.): A smarter computer to pick stocks• Space Daily: Can Russia build a better Hubble? (via Daily Grail)• 'Nova' on PBS: 'Dogs and More Dogs' • The Economist: Don't misunderestimate yourselfAlan Boyle, Science Editor, NBC News
