http://www.pbs.org/wnet/humanspark/video/spark-blog-video-scientist-tanya-chartrand-on-filming-with-alan-alda/169/ January 6, 13, and 20, 2010 at 8pm (check local listings) Tue, 24 Nov 2009 07:41:45 -0500 http://wordpress.org/?v=2.8.4 hourly 1