If you've got an extra 9 minutes, there's an entertaining clip over at ted also about our safety craze that I just watched last night with my parents, who got a kick out of telling me about all the dangerous stuff they had when they were kids, which of course they never let me near until I was quite a bit older.
http://www.ted.com/index.php/talks/gever_tulley_on_5_dangero...