Aging in the Wild • James R. Carey, University of California, Davis ; Nikos Papadopoulos, University of Thessaly ; Pablo Liedo, El Colegio de la Frontera Sur (ECOSUR) ; Hans Muller, University of California, Davis ; Jane-Ling Wang, University of California, Davis

A New Estimate of Permanent Sterility by Age • Henri F. Leridon, Institut National de la Santé et de la Recherche Médicale (INSERM)

Is a Baby Later in Life a Life Extending Event? • Ulrich Mueller, University of Marburg

Do Grandmothers Promote Inclusive Fitness?: Evidence from the Utah Population Database • Ken R. Smith, University of Utah ; Edward Christenson, University of Utah ; Alan Rogers, University of Utah