{"id":"W2799740826","doi":"10.1089/ast.2018.1917","title":"Methane on Mars and Habitability: Challenges and Responses","year":2018,"lang":"en","type":"review","venue":"Astrobiology","topic":"Planetary Science and Exploration","field":"Physics and Astronomy","cited_by":99,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"Keck Institute for Space Studies","keywords":"Mars Exploration Program; Astrobiology; Habitability; Martian; Biosphere; Martian surface; Earth science; Extraterrestrial life; Atmosphere of Mars; Life on Mars; Atmosphere (unit); Biogeochemical cycle; Early Earth; Environmental science; Geology; Planet; Chemistry; Physics; Meteorology; Astronomy; Environmental chemistry","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003017207,0.0002026819,0.0005971913,0.00008219358,0.00004771347,0.00001297023,0.00009488816,0.0001009808,0.00003297194],"category_scores_gemma":[0.00001411507,0.0001464274,0.00005570144,0.00003812964,0.0002146738,0.00006759253,0.00005693093,0.0001407328,0.0001586388],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000005533738,"about_ca_system_score_gemma":0.00004708721,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0000100221,"about_ca_topic_score_gemma":0.000009280486,"domain_scores_codex":[0.9989197,0.000264185,0.0001842931,0.0004028943,0.000032063,0.000196849],"domain_scores_gemma":[0.9993075,0.0003233627,0.0001070016,0.0001936798,0.00001305701,0.00005539542],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00001085228,0.00001229649,0.0001049953,0.0002037767,0.00004611236,6.065969e-7,0.00004829045,3.202603e-8,0.00000134173,0.001401594,0.0001305432,0.9980395],"study_design_scores_gemma":[0.00007526538,0.0003622252,0.0002962612,0.0003961636,0.00008237641,0.000009745704,0.00007071436,0.000001019867,9.178611e-7,0.0009932694,0.9975556,0.0001565011],"study_design_candidate":"design_other","study_design_consensus":null,"genre_codex":"review","genre_gemma":"review","genre_scores_codex":[0.002048668,0.9967725,0.00001138319,0.0001065331,0.0001396982,0.0002092087,0.000119801,0.00001142426,0.0005808097],"genre_scores_gemma":[0.0009793572,0.9980245,0.0001749071,0.00001711615,0.0002441377,0.00002787127,0.0004013258,0.000008201167,0.000122607],"genre_candidate":"review","genre_consensus":"review","teacher_disagreement_score":0.9978831,"threshold_uncertainty_score":0.5971137,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.08573438719613317,"score_gpt":0.3186940005709348,"score_spread":0.2329596133748016,"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."}}