https://scitechdaily.com/extinction-of-the-human-species-harvard-researchers-say-not-to-panic-over-declining-sperm-counts/
An alternative explanation of recent findings of declining sperm counts: normal, non-pathological variation. A new study from the Harvard GenderSci Lab in the journal Human Fertility, "The Future of Sperm: A Biovariability Framework for Understanding Global S…
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