Interview with Tulane University Virologist Preston Marx (video) Tulane University Share Print E-Mail Loading video... Caption The following video relates to a Science paper featuring contributing author Preston Marx, a Tulane University virologist. The article, "Island Biogeography Reveals the Deep History of SIV," is embargoed until 2 p.m. EDT on Sept. 16, 2010. Dr. Marx explains how a small island off the coast of Africa helped scientists unlock the genetic clues to reveal the ancient age of SIV, the simian ancestor to the virus that causes AIDS. Credit Tulane University Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.