Fertilization
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DNA Tests Show Fertility Doctor Jan Karbaat Used Own Sperm To Father 49 Children
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So NASA Just Sent Sperm To The International Space Station
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Fertility Clinic Investigates Possible Mix-Up That May Have Left 26 Women Fertilized With Wrong Sperm
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Scientists Breed Live Mice Without Using Fertilized Eggs: Here's How They Tricked Nature
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Female Hybrid Fish Develops Testicles And Gives Birth To Young
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Male Spiders Tie Up Their Mates During Sex To Avoid Getting Eaten Afterwards
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Bill Nye The Science Guy Defends Women's Reproductive Rights [Video]
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Sperm Cells Use Tiny 'Harpoons' To Facilitate Fertilization
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UK surgeon accidentally performs vasectomy on man who needs minor procedure. Uh-oh.
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