Sex is a tricky business, evolutionarily speaking. One problem is that sexually reproducing organisms must suffer the considerable faff of securing a mate (for the males of some species, the struggle ...

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Oxford University Press (OUP) is pleased to announce its partnership with the Society for the Study of Reproduction to publish Biology of Reproduction. Biology of Reproduction is the official journal ...

An Asian water dragon hatched from an egg at the Smithsonian National Zoo, and her keepers were shocked. Why? Her mother had never been with a male water dragon. Through genetic testing, zoo ...

Yellow crazy ants break the rules of reproduction. Every male ant contains separate populations of cells from two distinct genetic lineages, making them “chimeras,” researchers report in the April 7 ...