Barry Perlman with Pembroke Pines Charter Middle School talks to the media about some of the experiments recovered during the search for Columbia debris.

Barry Perlman (left), with Pembroke Pines Charter Middle School in Florida, talks to the media about some of the experiments recovered during the search for Columbia debris. At right are John Cassanto, with Instrumentation Technology Associates, Inc., and Lou Friedman, executive director of the Planetary Society. The Commercial ITA Biomedical Experiments payload on mission STS-107 included the Growth of Bacterial Biofilm on Surfaces during Spaceflight (GOBBSS) experiment and crystals grown for cancer research. The GOBBSS experiment was sponsored by the Planetary Society, with joint participation of an Israeli and a Palestinian student, and developed by the Israeli Aerospace Medical Institute and JSC Astrobiology Center.