nohaimo·vor 12 Jahren·discussTwo oldies but goodieshttp://www.ted.com/talks/tom_wujec_demos_the_13th_century_as...http://www.ted.com/talks/joshua_klein_on_the_intelligence_of...found here : http://mayageddon.tripod.com/TED_Talks.html
http://www.ted.com/talks/tom_wujec_demos_the_13th_century_as...
http://www.ted.com/talks/joshua_klein_on_the_intelligence_of...
found here : http://mayageddon.tripod.com/TED_Talks.html