This reminded me of a nice article about how blindness evolved in the Mexican cavefish, http://seedmagazine.com/content/article/pz_myers_on_how_the_cavefish_los

This reminded me of a nice article about how blindness evolved in the Mexican cavefish, http://seedmagazine.com/content/article/pz_myers_on_how_the_cavefish_lost_its_eyes/ http://seedmagazine.com/content/article/pz_myers_on_how_the_...