RT @openculture Stanford biologist, Robert Sapolsky, talks about the science of pleasure. Engaging as always. http://bit.ly/i3whob
6:04 PM - 8 Mar 2011
0 replies
3 retweets
7 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.