Extreme Pain And Pleasure Produce Basically The Same Facial Expression

Kind of backs up my theory that we only experience two emotions: fear and pleasure.

http://jezebel.com/5964795/extreme-pain-and-pleasure-produce-basically-the-same-facial-expressions

http://www.sciencemag.org/content/338/6111/1225.abstract

http://www.wired.com/wiredscience/2012/11/body-language/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+wired%2Findex+%28Wired%3A+Top+Stories%29