{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreifssf4xpvph4edv5oesy33ne3wdeo356ragpuurx22pqtn7znlsdq",
    "uri": "at://did:plc:k7h5fn3kdhjpj37pc6yhno2o/app.bsky.feed.post/3mop72oktc6o2"
  },
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreifo3yt2v7ee4j6mjtno5msdjc6isztag4qaxinlloogmzyjy6yot4"
    },
    "mimeType": "image/jpeg",
    "size": 168847
  },
  "path": "/article/ancient-human-ancestors-may-have-first-used-fire-1-79-million-years-ago/",
  "publishedAt": "2026-06-19T11:00:00.000Z",
  "site": "https://www.scientificamerican.com",
  "textContent": "A new method that detects whether bones have been burned reveals _Homo erectus_ brought fires into caves far earlier than previous evidence had suggested",
  "title": "Ancient human ancestors may have first used fire 1.79 million years ago"
}