sperm
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Scientists Discover Oldest Sperm Inside Fossilized Cocoon Of Mysterious Worm
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Fossilized Sperm Sample Found In Antarctica Is Oldest Animal Sperm Ever Found
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Experts Urge Men To Freeze Sperm When They Turn 18
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Egg Or Sperm? How The Genetic Switch foxl3 Determines What Germ Cells Will Be
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Genetic Switch Decides Whether Germ Cells Become Sperm Or Egg
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Sperm Could Help Predict Autism
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Introverts Are Better In Bed... In The World Of Hermit Crabs
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Use of Embryonic Stem Cells to Create Primordial Germ Cells May Help Age-Related and Fertility Treatments
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Zinc Sparks Fly When Sperm and Egg Meet
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Men With Poor Semen Production May Be Suffering from Bigger Health Problems: Study
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Infertility, Poor Semen Quality Hints of Other Serious Health Problems
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Condom-free world by 2017? Yes, if it's Vasalgel
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