Steve Pennings, University of Houston (IMAGE) University of Houston Caption Steven Pennings, professor of biology and biochemistry at the University of Houston, will look at how well mangroves protect the coast, compared with salt marshes. Credit University of Houston Usage Restrictions None License Licensed content 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.