From the award-winning producers of NOVA, NOVA scienceNOW is a fast-paced and provocative science magazine show that highlights four timely science and technology stories per episode. Launched in 2005, the show is hosted by renowned astrophysicist Neil deGrasse Tyson. <a href="http://www.shoppbs.org/search/index.jsp?kwCatId=&kw=nova%20sciencenow&origkw=nova%20sciencenow&sr=1" target="_blank">Buy