Fear- survival mechanism or irrational behavior? 37,598 views | Posted in Philosophy & Sociology | by Zbigniew Gargasz+ | on 12 September 2013 Tags: biology, Fear, irrational behavior, psychology, survival mechanism Short film about the conditioning of fear, and what irrational fears can lead to. SHARE THIS Related Posts Before we understand science, it is natural to believe that God created the universe.. Jacek Walkiewicz o zyciu…. (polish) Did Humans Become Monogamous to Stop Infanticide?