Nature’s Calling: How Long Should Humans Live?
Mammals, including humans, have natural lifespans that have remained about the same through each species’ existence. What are these figures, and why do they vary so greatly across species?
Tyler Volk is a Science Director of Environmental Studies and Professor of Biology at New York University. He is the author of "Death & Sex" (with co-author Dorion Sagan), "CO2 Rising: The World' Greatest Environmental Challenge," "Gaia's Body: Toward a Physiology of the Earth," and "Metapatterns: Across Space, Time, and Mind." Professor Volk is also lead guitarist for The Amygdaloids, a "heavy mental" band comprised of NYU scientists. He lives in New York.