{
  "id": 14838216,
  "title": "Continuous UV irradiation played an inconclusive role in selecting the canonical genetic alphabet",
  "url": "https://urgent.news/2026/09/28/continuous-uv-irradiation-played-an-inconclusive-role-in-selecting",
  "topic": "science",
  "section": "Science",
  "published": "2026-09-28T07:00:00.000Z",
  "source": {
    "name": "PNAS",
    "slug": "pnas",
    "url": "https://www.pnas.org/doi/abs/10.1073/pnas.2602433123?af=R"
  },
  "original_language": "en",
  "account": null,
  "summary": "Proceedings of the National Academy of Sciences, Volume 123, Issue 41, October 2026. SignificanceUltraviolet (UV) light was likely to be present in abundance on the surface of the early Earth. UV light has been suggested to influence prebiotic chemistry, either through driving productive synthesis or degrading photounstable molecules, ...",
  "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."
}