Whereabouts are you from? <a href=" http://www.brainsatwork.nl/write-paper ">essay on social life</a> Why do pigeons nod when they walk? Is toast healthier than bread? Why do some people have curly hair? These and a multitude of other questions &ndash; entertaining, strange, topical and complex - have been answered by LBC presenter James O&rsquo;Brien during the &lsquo;Mystery Hour&rsquo; segment of his daily phone-in, which is now available as a weekly podcast. Perfect for long family road trips.