On Halloween Wednesday 10/31/2012, I held a presentation in the Transcendental Talks group covering the topics of extraterrestial intelligence search. This is a very broad area, spanning from biology to history to cosmology. There was quite a lot of useful discussion. The resulting slidesow is presented here:
(https://skydrive.live.com/redir?resid=41BEDAFA0CE1821C!4568)
Slides download direct link: http://tung-sten.no-ip.com/Texts/Presentations/AreWeAlone/AreWeAlone.1.01.pptx