Biodemography and Evolution Seabright, E., Alami, S., Kraft, T.S., Davis, H., Hooper, P., Caldwell, A., Mulville, S., McAllister, L., von Rueden, C., Stieglitz, J., Gurven, M., Kaplan, H. 2022. Philosophical Transactions of the Royal Society B 378: 20210442. 2022 Michael Gurven