Tag Archives: Arsenic

With TV cameras pointed at her, Felisa Wolfe-Simon began speaking at NASA Headquarters in Washington, D.C., on Dec. 2, 2010. “I’ve discovered — I’ve led a team that has discovered — something that I’ve been thinking about for many years,” Dr. Wolfe-Simon said. She was at that time a visiting researcher with the U.S. Geological Survey, speaking to a sizable …