http://journalofcosmology.com/Life100.html
http://www.wired.com/wiredscience/2011/03/aliens-riding-meteorites-arsenic-redux-or-something-new/
http://news.ycombinator.com/item?id=2293643
I don't even know of a single post that shows how to apply what you can learn on LW to real life problems.
As the author of one such post I have to protest this exaggeration, even while I agree that it would be nice to see more.
http://journalofcosmology.com/Life100.html
http://www.wired.com/wiredscience/2011/03/aliens-riding-meteorites-arsenic-redux-or-something-new/
http://news.ycombinator.com/item?id=2293643