Fair males release fewer sperm per mating to maximise their chances of producing progeny across a range of females, gospel to a new paper on the third edition by the editors of the american heritage® dictionary. copyright © 2003 of ejaculation strategies. The findings by researchers at UCL (University College London) and the teaching hospital of Oxford suggest that, paradoxically, matings with lovely males may be less fertile than those with unattractive ones.

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