The Warrington Science Symposium returns after a two-year hiatus and takes place on Friday, April 22, at 7 p.m. in Halpin-Harrison Hall, Stimpson Auditorium. Please note the change from the previously announced date. Guest speaker Veronica G. Martinez Acosta, Ph.D., professor of biology at the University of the Incarnate Word in San Antonio, Texas, will present “It Cuts Both Ways: An Annelid Model for the Study of Regeneration.” Poster presentations by biology, chemistry and mathematics students will follow. The event is free and open to all members of the Shenandoah University. Questions? Contact Beth Cantwell at email@example.com.