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  "path": "/archaeology/2-000-year-old-skulls-reveal-people-in-ancient-vietnam-permanently-blackened-their-teeth-a-stylish-practice-that-persists-today",
  "publishedAt": "2026-02-21T11:00:00.000Z",
  "site": "https://www.livescience.com",
  "tags": [
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  "textContent": "In a study of 2,000-year-old skulls from Vietnam, archaeologists discovered that iron was the primary component that dyed teeth black.",
  "title": "2,000-year-old skulls reveal people in ancient Vietnam permanently blackened their teeth — a stylish practice that persists today",
  "updatedAt": "2026-02-20T21:13:54.000Z"
}