AIDS in Africa, developing working evacuation-systems for natural Across the world, we need new energy sources, healthcare solutions, Birck Nanotechnology Center Engineering, we do everything we can to encourage and support our Purdue these are a few of the issues we face every day. Our Taking on Society's Grand Challenges Birck Nanotechnology Center disasters, and creating technologies to prevent and deal with possible engineering faculty, researchers, graduate students, and undergraduate environmentally friendly technologies, and an end to terrorism. At in which their expertise can benefit humanity. In the College of people. They are engineering the solutions to the grand challenges of students are making hydrogen fuel cells more efficient, helping fight terrorist attacks. Purdue engineers are working in virtually any area the 21st century.