This is from the German TV program "Alles Wissen". The topic is Why are we ticklish? and Why can't we tickle ourselves?. The video material was partly used already in the program "Visite" which was posted some time ago. But there are some new scenes as well. If you don't understand German you don't miss anything in my opinion because it's always the same in those reports.
7 MB, 2:14 min, split with Hacha
7 MB, 2:14 min, split with Hacha