Brazilian Woman’s Twins with Different Fathers: A Rare but Real Phenomenon

A widely shared story claims that a 19-year-old woman from Mineiros, Goiás, Brazil, gave birth to twins who have two different biological fathers. The report has been repeated by international outlets and social media posts, often framed as a “one-in-a-million” case that surprised doctors worldwide. While this claim is true, the way it spreads online […]

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No, Children Do Not Inherit All Their Intelligence From Their Mother

A viral claim asserts that children “inherit all of their intelligence from their mother,” often referencing simplified headlines claiming “science proves intelligence comes from mom.” These posts regularly attract large engagement because they appear to offer an easy genetic explanation for a complex trait. However, our investigation found that this claim is an oversimplification and […]

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