Family Sunday

Affairs of the Hearts: Love and Science on Valentine's Day 1-4 p.m. Admission is free for members or $5 per family for non-members Make Valentine's Day crafts--scherenschnitte, origami, and pop-up valentines. Learn the science of blood components by sampling "candy blood," and monitor your heartbeat with a pulse meter. The Hunt for the Hearts Scavenger Hunt begins at 2 p.m. Call 770-297-5900 for more information.