IN response to a request from Science Service, of Washington, D.C., for a reply to the question “How could the world's population be improved most effectively genetically?”, addressed to a number of scientific workers, the subjoined statement was prepared, and signed by those whose names appear at the end.
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CREW, F., DARLINGTON, C., HALDANE, J. et al. Social Biology and Population Improvement. Nature 144, 521–522 (1939). https://doi.org/10.1038/144521a0
Evolution: Education and Outreach (2016)