Prof. LIQIN TAN (associate professor, CFAS-art) is displaying his artwork during a solo exhibition, “Primitive-Level Signals; Animation Installation with Digital Metal Prints,” at the Dalet Art Gallery in Philadelphia through June 23. In the exhibit, the Rutgers–Camden professor uses spirit levels as a signal to describe a natural phenomenon in humans, where human brain development is an equalized procedure. For more information, visit www.daletart.com.