http://news.yahoo.com/higgs-boson-particle-may-spell-doom-universe-152236961.html

Because I am often very dubious about humanity being around another 1000 years. And quite selfishly I am more concerned about having to work still a very long time until I can retire. I don't care what's to come that far in the future.

http://www.newscientist.com/article/dn16684-ethical-stem-cells-stripped-of-cancer-genes.html

http://www.nytimes.com/2007/03/08/science/08louse.html?_r=2&oref=slogin&oref=slogin