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Dan Franks – The Evolution of a Long Post-Reproductive Lifespan in Killer Whales

Dan Franks: University of YorkWhy females of some species cease ovulation before the end of their natural lifespan is a longstanding evolutionary puzzle. In humans as well as some natural populations of cetaceans and insects, reproductive aging occurs much faster than somatic aging and females exhibit prolonged post-reproductive lifespans (PRLSs). Determining the mechanisms and functions […]

Kristin Snopkowski – Reproductive Decision-Making in Transitional Contexts

Kristin Snopkowski: Boise State UniversityOver the past two hundred years, most societies around the world have experienced fertility transitions, defined as a dramatic decline in reproductive rates through time. The conscious decision to reduce fertility to very low levels appears maladaptive and poses a theoretical challenge to human behavioral ecologists who expect humans to maximize […]

A.J. Figueredo and Michael Anthony Woodley – A Sequential Canonical Cascade Model of Social and Cognitive Biogeography

A.J. Figueredo and Michael Anthony Woodley: University of Arizona, Free University of BrusselsA sequential canonical cascade model, detailing the hypothesized biogeography of human life history (LH) and intelligence (IQ), derives elevated levels of IQ through a series of causal steps, starting with the evolution of slower LH strategies based on both the physical ecology (climatological […]