{"id":"W4416782237","doi":"10.1038/s41467-025-65711-1","title":"Abiotic N2 reduction in submarine hydrothermal systems could quickly fertilize prebiotic oceans","year":2025,"lang":"en","type":"article","venue":"Nature Communications","topic":"Origins and Evolution of Life","field":"Physics and Astronomy","cited_by":6,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"Major Research Plan; Natural Sciences and Engineering Research Council of Canada; National Natural Science Foundation of China; Government of Canada","keywords":"Abiotic component; Hydrothermal circulation; Abiogenesis; Hydrothermal vent; Prebiotic; Atmosphere (unit); Greenhouse gas; Submarine","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001218424,0.0002066872,0.000123179,0.0001645133,0.0002874621,0.0002388913,0.0001961735,0.000321633,0.0008516451],"category_scores_gemma":[0.0001860504,0.0001439508,0.000133341,0.0001110964,0.0004082964,0.0004074365,0.0004107739,0.0002109347,0.0001175396],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003448088,"about_ca_system_score_gemma":0.0002667796,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003439883,"about_ca_topic_score_gemma":0.004399336,"domain_scores_codex":[0.9999522,0.000003862321,0.000002745101,0.00002332717,0.00000710885,0.00001075666],"domain_scores_gemma":[0.999934,0.000009783948,0.00002022446,0.000009529372,0.00001295865,0.0000135095],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.0001205602,0.0000149715,0.1748056,0.000114209,0.00005144494,0.0005218498,0.0002237379,0.001493317,0.8124685,0.0007977383,0.0001687466,0.00921934],"study_design_scores_gemma":[0.00003199663,0.0002653529,0.7466964,0.00002395395,0.00006232744,0.0003216112,0.0009836886,0.008063878,0.2325221,0.002820254,0.008174128,0.00003416835],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9976057,0.0001841326,0.001045718,0.0000763672,0.000009849618,0.000003689136,0.0000579844,0.00002860298,0.0009879362],"genre_scores_gemma":[0.9993424,0.00005939066,0.0003016696,0.00001948367,0.000002663903,0.000001912851,0.00003444608,0.000002419433,0.0002357406],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003439883,"threshold_uncertainty_score":0.006839693,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01169697400751225,"score_gpt":0.2914291051830133,"score_spread":0.2797321311755011,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}