http://www.bbpctv.com The National Geographic Society (NGS), headquartered in Washington, D.C. in the United States, is one of the largest non-profit scientific and educational institutions in the world. Its interests include geography, archaeology and natural science, the promotion of environmental and historical conservation, and the study of world culture and history. en-us 2008 BbPcTv.com 5 http://www.bbpctv.com/Program-Science-Channel.aspx Science Channel 2/11/2012 http://www.bbpctv.com/Program-TLC.aspx TLC 2/11/2012