population
- Health
Count Down: Hormonal havoc in our midst
Editor’s note: The following is an excerpt from the book “Count Down: How Our Modern World Is Threatening Sperm Counts,…
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First million-year-old DNA extracted from Siberian mammoth teeth
By Michael Marshall Mammoths once roamed Siberia Beth Zaiken/Centre for Palaeogenetics For the first time, preserved DNA has been recovered…
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