The Avengers Trailer 2012 - Official movie teaser trailer in HD - starring Robert Downey Jr., Chris Evans, Mark Ruffalo, Chris Hemsworth, Scarlett Johansson. The Avengers continues the epic big-screen adventures started in "Iron Man," "The Incredible Hulk," "Iron Man 2," "Thor" and "Captain America:...

This documerntary was produced in 2004 by CBS as part of "Witness", a documentary from CBS news. Origin of AIDS: The Polio Vaccine (CBC 'Witness', 2004) On April 12, 1955 Jonas Salk's polio vaccine was first licensed for public use in the U.S. In the years afterwards 90 million Americans were vac...

This intense social drama from writer-director Thom Fitzgerald chronicles the spread of AIDS on three continents — Asia, Africa and North America — and the wrenching, controversial choices that three sets of people make to cope with the disease. An all-star cast including Stockard Channing, Lucy Liu