but, paul zach is easier to do it, he has done versions of if there are last 14 years, why?ea prosperity lives in some countries not other, we studied role of trust, we wanted a biological basis for why we trust strangers. john: because of a chemical in our body? >> it functions to cause us to resip kate, almost always. you are nice to me, i am nice to you. john: my hugging people, people release more of that hormone. >> oxyto since. john: makes people happier. >> and healthier, and promoteing cooperation, without anybody telling us we have to. john: you try to do a scientific experiment with this in america, america said no. >> we did our first study in europe, and now have gotten fda approval a backdoor method for oxitosin instution studies in u.s., for a given environment why would you trust me? >> i would not, you some are weirdo with a drug. >> and a crazy white coat, we did it recall of time, but if we don't the economy crashs, unless we have someone telling us what to do we have to create opportunity to create wealth, and country with high trust we see higher prosperi

. >>> golf paul says i can, jimmy walker, and zach johnson share the lead after the first round of theallenge in the bahamas. jord jord jordan spooes is a shot behind the leader. this event features 18 of the top-ranked golfers in the world. >>> in the nfl the colorado avalanche beat the new york rangers. the main piece of action of the first period was a fight between colorado's cody mcleod, and [ inaudible ]. but there was a scary moment in the second period, when the skate of new york rick nash clipped erik johnson, fortunately it his his wiser and not his face, and the avalanche went on this win 2-1. >> we're back at the usual time tomorrow. do check out the website, aljazeera.com. bye-bye for now. ♪ >>> a resounding yes, germany's politicians approve a support mission against isil in syria. ♪ >>> it is good to have you along, i'm david foster, you are watching al jazeera, live from london. well, in this program -- [ gunfire ] >> -- reporting on the friday violence in the occupied west bank where four palestinians have been killed. >>> cameroon reveals what boko haram had in mind f