{
  "id": 8686558,
  "title": "Scientists discover a hidden “ID card” in cat urine",
  "url": "https://urgent.news/2026/09/20/scientists-discover-a-hidden-id-card-in-cat-urine",
  "topic": "science",
  "section": "Science",
  "published": "2026-09-20T12:24:21.000Z",
  "source": {
    "name": "ScienceDaily",
    "slug": "sciencedaily",
    "url": "https://www.sciencedaily.com/releases/2026/09/260919031033.htm"
  },
  "original_language": "en",
  "account": null,
  "summary": "Cats may identify one another through a surprisingly durable chemical “calling card” made from 13 unusual fatty acids in their urine. The compounds appear linked to mysterious fat droplets in the kidneys and may represent a scent-recognition system shared across the cat family.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}