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Male pufferfish carve seven-foot sand circles, and females reject sloppy geometry
Male pufferfish off the coast of Japan spend days sculpting radial sand formations that stretch roughly two meters across, ...
Successful reproduction presents a fundamental evolutionary paradox: the immune system must tolerate genetically foreign sperm and embryos while maintaining ...
Microplastics have been found in human semen and testes, but do they cause infertility? Explore the latest evidence on sperm ...
Finding an unexpected lump on your body can be incredibly alarming, especially when it is painful.
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