Local author Guy Harrison will speak at the May meeting of the Atheist Coalition of San Diego.

Suzanne Cahill, specialist in medieval Chinese cultures, will discuss the significance and meaning of vehicles and clothing worn during the Tang dynasty, the subject of her current study.

Eloisa Orozco from Waste Management of Southern California will moderate a panel who will discuss the human and environmental health risks associated with plastic foam food containers, including Donna Chralowicz, Alicia Glassco and Michael Zouroudis.