{"id":"W4412640183","doi":"10.1038/s41559-025-02795-4","title":"Enlargement of sternum traits facilitated the evolution of powered flight in birds","year":2025,"lang":"en","type":"article","venue":"Nature Ecology & Evolution","topic":"Paleontology and Evolutionary Biology","field":"Earth and Planetary Sciences","cited_by":5,"is_retracted":false,"has_abstract":false,"ca_institutions":"Royal Ontario Museum; University of Toronto","funders":"","keywords":"Sternum; Biology; Evolutionary biology; Anatomy","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005038538,0.0003610202,0.0002475931,0.0008135147,0.0005113739,0.0006031506,0.000392666,0.0006459222,0.005073325],"category_scores_gemma":[0.001061433,0.0002577099,0.0003213716,0.0004255784,0.0007852347,0.0005077745,0.0008124255,0.0007796795,0.000343928],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002924588,"about_ca_system_score_gemma":0.0002430226,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0006195746,"about_ca_topic_score_gemma":0.001481939,"domain_scores_codex":[0.9997483,0.00006083031,0.00001305823,0.0001010444,0.00003158075,0.00004512014],"domain_scores_gemma":[0.9992815,0.000224651,0.0001884864,0.00009740685,0.00006767404,0.0001404375],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.0009094713,0.0001233558,0.2683687,0.0001587251,0.0002336529,0.002075129,0.001315596,0.001607202,0.6755496,0.003947885,0.0002826795,0.04542799],"study_design_scores_gemma":[0.00002279426,0.0002006338,0.9854726,0.00001677009,0.0000605804,0.001381663,0.0003722289,0.001697775,0.008497386,0.0009148995,0.001328274,0.00003428222],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9987432,0.00005898127,0.0004028988,0.00004206736,0.000005306264,0.00000267346,0.00003498827,0.000009251688,0.0007004992],"genre_scores_gemma":[0.9990888,0.00003397964,0.0004023484,0.00001997657,0.000009715304,0.000003652037,0.00003162693,0.000009750391,0.0004000282],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005073325,"threshold_uncertainty_score":0.01697201,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.00392500556328607,"score_gpt":0.216343107947655,"score_spread":0.212418102384369,"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."}}