Space Invaders (IMAGE) Arizona State University Caption At 3:21 a.m. PDT on April 5, Biodesign's Cheryl Nickerson (center) and her team, including post-doctoral researchers Jennifer Barrila (right) and Shameema Sarker (left) will see their latest experiment launched into low earth orbit aboard the space shuttle Discovery on mission STS-131. Credit Cheryl Nickerson, Biodesign Institute, Arizona State University 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.