The vicissitudes of sex.

• Autores: Kat Long
• Localización: Scientific American, ISSN 0036-8733, Vol. 313, Nº. 4, 2015, págs. 21-21
• Idioma: inglés
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• Resumen

  • The article focuses on research by biologist Steven Hecht Orzack and colleagues which analyzed around 36 million prenatal tests, induced abortions, fertility treatment records, and U.S. Census data points and discovered several points at which the sex ratio differed from 50-50.