text:  that it can slow or accelerate in the presence of emotion, of chemicals in the blood. The bed is empty. Louise turns slowly in a circle, naming the girls she can see. Melissa, Melissa, Jennifer, Michelle, Amy, Caroline, Tracy, Kim. Eight campers, nine beds. She counts and counts again. At last, when she can no longer defer it, she lets one name bob to the surface of her mind. Barbara. Barbara.