Five or six step scenario for evolution? · HackerPapers discussionshttps://hackerpaper.kaipfister.de/p/0711.1985/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMTFive or six step scenario for evolution? — mentioned by Qemhttps://news.ycombinator.com/item?id=41148548urn:hackerpapers:mention:0711.1985:41148548Sat, 03 Aug 2024 19:10:19 GMT<p>It&#x27;s not necessary to assume a single hard step to explain the rarity of intelligent life. Considerations about the late appearance of a technological civilization on Earth point to between five and six hard steps from origin of life to us. Abiogenesis can account for one, oxygenation for another, and we still need to find another three or four more. See https://arxiv.org/pdf/0711.1985</p><p><a href="https://hackerpaper.kaipfister.de/p/0711.1985/">Paper and discussion history</a>. A mention is not an endorsement.</p>astro-ph