PoliticsMichel Siffre, 85, Dies; Descended Into Caves to Study the Human Mind 3 months ago01 mins He was a pioneer in chronobiology, the study of how our bodies understand the passage of time. Post navigation Previous: Early Voting Begins in Minnesota, South Dakota and VirginiaNext: Kamala Harris Tells Oprah ‘They’re Getting Shot’ if Somebody Breaks Into Her Home Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.