Dead or alive? Researchers use uncertainty to scare

Lisa Feldman Bar­rett, Uni­ver­sity Dis­tin­guished Pro­fessor of Psy­chology, and her team at the Inter­dis­ci­pli­nary Affec­tive Sci­ence Lab­o­ra­tory use the sci­ence of emo­tion to scare people at a haunted house — and raise money for charity.