Roman http://redriverradio.org en McDonald: A leapin' lizards leap year http://redriverradio.org/post/mcdonald-leapin-lizards-leap-year <p>Commentator Archie McDonald&nbsp;explains&nbsp;leap year: a&nbsp;mathematical and historical lesson in&nbsp;one.</p> Fri, 24 Feb 2012 17:35:52 +0000 Archie McDonald, Ph.D. 7282 at http://redriverradio.org McDonald: A leapin' lizards leap year