Prof. Philip Zimbardo "used a nationally-representative sample of 4,000 adults and found that 20% qualified as heroes" http://usat.ly/fmOfbz
5:24 PM - 14 Jan 2011
0 replies
7 retweets
1 like
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.