Who Was the First Human Ancestor? : http://www.scientificamerican.com/video.cfm?id=who-was-the-first-human-ancestor--2013-01-28&p=1&ct=21&c=18
Are We Facing the Sixth Mass Extinction? : http://www.scientificamerican.com/video.cfm?id=instant-egghead---are-we-facing-the2012-10-20&p=1&ct=21&c=18
How Do Animals Become Zombies? - http://www.scientificamerican.com/video.cfm?id=how-do-animals-become-zombies---ins2012-10-30&p=1&ct=21&c=18
F:\EUROP CLASS\scientific materialism.odt : http://blogs.scientificamerican.com/cross-check/2013/01/30/is-scientific-materialism-almost-certainly-false/
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