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  "path": "/article/2515693-humans-are-the-only-primates-with-a-chin-now-we-finally-know-why/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home",
  "publishedAt": "2026-02-16T12:00:16.000Z",
  "site": "https://www.newscientist.com",
  "textContent": "Biologists have debated the reason why Homo sapiens evolved a prominent lower jaw, but this unique feature may actually be a by-product of other traits shaped by natural selection",
  "title": "Humans are the only primates with a chin – now we finally know why"
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