{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreifkk3s2hb6osx3j4jlgm2jnbvgjjpfvxke2mm6imynr754f57mrw4",
    "uri": "at://did:plc:q27hltg3oatmy4g7oio4vbc3/app.bsky.feed.post/3mlfwefr3iiu2"
  },
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreiezk4uesspvojmnskqxfdep3mij2qobw543hn5gz56zb7browddjm"
    },
    "mimeType": "image/jpeg",
    "size": 192757
  },
  "path": "/archaeology/human-evolution/if-humans-are-getting-smarter-why-are-our-brains-shrinking",
  "publishedAt": "2026-05-09T09:00:00.000Z",
  "site": "https://www.livescience.com",
  "tags": [
    "Human Evolution",
    "Archaeology"
  ],
  "textContent": "Human brains have been shrinking since prehistoric times, some studies suggest. Whether this is true and why it has happened are debated.",
  "title": "If humans are getting smarter, why are our brains shrinking?"
}