Biodemography and Evolution Kraft, T., Cummings, D., Venkataraman, V., Alami, S., Beheim, B., Hooper, P., Seabright, E., Stieglitz, J., Trumble, B., Kaplan, H., Endicott, K., Endicott, K., Gurven, M. 2022. Philosophical Transactions of the Royal Society B 378: 20210431. 2022 Michael Gurven