sperm
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Deer mouse sperm engage in 'group swim' to up fertility: Harvard study
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Killer sperm stops nematode worms from cross-breeding
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Freezing testicles could provide hope for cancer survivors - it works in mice!
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Marijuana may stem fertility in men so stop toking if you're trying for a baby
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Male infertility, semen abnormalities may reflect higher death risk, says study
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World's oldest fossilized sperm is huge, shocks scientists
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Petrified 16 million-year-old sperm of mussel shrimp is sperm-tacular in size
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Scientists produce sperms from human skin. Here's how they did it.
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Discovery of key protein that lets sperm and egg fuse could revolutionize infertility treatment
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Tiny sperm-like bio-bots explore uncharted world of aquatic micro-organisms
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