Traveling-Wave Reactor

http://www.technologyreview.com/energy/22114/

NASA announcement: Arsenic-based life form discovered on Earth

http://www.washingtonpost.com/wp-dyn/content/article/2010/12/02/AR201012
0204183.html

UN 'to appoint space ambassador to greet alien visitors'

http://www.telegraph.co.uk/science/space/8025832/UN-to-appoint-space-ambassador-to-greet-alien-visitors.html

How many stars are there? More than you thought

http://us.mobile.reuters.com/article/idUSTRE6B053U20101201?ca=rdt

NASA finds new life

http://m.gizmodo.com/5704158/nasa-finds-new-life