{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"1fee64357903bb6ad063faca14a2dde3cd05b2dc531c1d0b2ac31ae55fb6eb60","created":"2026-10-03T07:17:50Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"dd8acc2d8f1454c1b957dd43ccccb461df5f48d32494f313abed1898e2433d27","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"bio.origin-of-life","field":"bio","n":"1","review_cite":"Jack W. Szostak, David P. Bartel, P. Luigi Luisi, Synthesizing life, Nature, 2001","review_link":"https://doi.org/10.1038/35053176","review_verified":"true","summary":"At some point, chemistry on the early Earth produced molecules that could copy themselves and evolve. Life also uses molecules of only one handedness (one of two mirror-image forms), and how either of these came about is unknown.","title":"Origin of life: self-replication and homochirality","topic_ref":null,"why":"It is the transition from chemistry to biology, and its mechanism bears on how common life is elsewhere in the universe."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"819c3cf4ef1ce5d66c72a382f1081518f28c7f8a56681c740fe7338f60746ab9","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"f0bbe6426ea56556f77f4919b82d259995afda3eaa9c71589080b5bb8ecc36de","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"paKpTKyxfVoagUU89kOmhNP3iMsIWrBRPjdPrsUhGAHvYx7kb6QfopXbKROup3euxQ9pLkD2rwgYPKVs4WPMAg"},"schema":"pubphys.envelope/1"},"record_hash":"819c3cf4ef1ce5d66c72a382f1081518f28c7f8a56681c740fe7338f60746ab9","leaf_index":98}