http://www.geniusstuff.com/blog/list/10-accidental-inventions/
http://www.slate.com/blogs/business_insider/2013/11/09/thomas_edison_his_light_bulb_invention_was_a_publicity_stunt.html
http://www.slate.com/articles/business/the_dismal_science/2012/04/patent_trolls_how_they_stifle_innovation_.html
http://www.motherjones.com/blue-marble/2011/10/awesome-animal-inspired-inventions
http://www.motherjones.com/blue-marble/2013/11/carbon-sucking-golf-balls-and-3-other-cool-climate-inventions
