Dr. Stuart Hameroff, director of the UA Center for Consciousness Studies, presents "What Is Consciousness?" and speaks about how the laws of quantum mechanics may connect brain processes to the universe and other living beings from 6:30 to 8:30 p.m., Friday, April 2. $5. Sponsored by the Institute of Noetic Science Tucson Community Group. Call 399-8285, or visit www.ionstucson.org for more information.