Deborah Estrin, PhD, director of the Center for Embedded Networked Sensing at the University of California, Los Angeles, will discuss "Wireless Sensing Systems: From Ecosystems to Human Systems" on March 21, 2:30-4 p.m. in the Campus Center Ballroom at NJIT. The event is sponsored by the NJIT Distinguished Lecture Series in Environmental Science, Engineering and Policy, the Murray Center for Women in Technology Lillian Gilbreth Colloquium, the NJIT ADVANCE Program and Albert Dorman Honors College.