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Cetaceans identified as having passed irreversible evolutionary threshold for terrestrial life
La Nación (Argentina)LO·3 days ago
An Australian woman has given birth to twins who are biologically unrelated, a rare phenomenon known as heteropaternal superfecundation where two eggs are fertilized by different fathers. The case highlights an extreme biological anomaly rather than a systemic health or policy shift. The medical details remain limited to the reported birth event.