There is nothing in this article that we haven't all already known for
years but it's nicely written and might provide a talking point for non-
cyclists (especially those who laugh at us for arriving at work with a
few spots of damp this morning!)
http://www.theage.com.au/opinion/a-bike-often-gets-you-there-quicker-
20080720-3i7z.html?page=-1