{"query": "Evolution — common descent and selection", "count": 20, "results": [{"id": "card_bio_evolution", "title": "Evolution — common descent and selection", "shelf": "codex", "surface": "secular", "snippet": "All life descends from one root (LUCA); variation and natural selection build the tree. The near-universal genetic code and the universal genes are the evidence. Rests on the tree of life.", "authority_tier": "engine_derived", "source": "Narrow Highway — biology", "readable": false, "generated": false}, {"id": "card_theory_optimization", "title": "Optimization & gradient descent (following the slope)", "shelf": "theories", "surface": "secular", "snippet": "Optimization & gradient descent (following the slope) — an engine domain that can touch it: mathematics. Calibration: seals — gradients, step updates and convexity conditions compute. Find the input t", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_theory_central_dogma_of_molecular_biology", "title": "Central dogma of molecular biology (DNA→RNA→protein)", "shelf": "theories", "surface": "secular", "snippet": "Central dogma of molecular biology (DNA→RNA→protein) — an engine domain that can touch it: genetics. Calibration: partial — codon translation computes; the framework is empirical. Information flows DN", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_bridge_master_stationary_action", "title": "Master equation: delta(integral L) = 0", "shelf": "bridges", "surface": "secular", "snippet": "nature takes the extremal path — physics as optimization over functions. ONE equation, 5 domains, connected by a change of variable: physics [L = kinetic - potential; the path extremizes the action]; ", "authority_tier": "reference", "source": "The Bridges — cross-domain isomorphisms", "readable": false, "generated": false}, {"id": "card_n_84ee70059175", "title": "The map's axes are its spectral modes (the Fourier lens)", "shelf": "concepts", "surface": "secular", "snippet": "Fourier's move — decompose a whole into the few fundamental modes that generate it — generalized off the regular cycle (where the FFT lives) to the map: the EIGENMODES of the dimension correlation mat", "authority_tier": "matt", "source": "Operator's seed (Matt) — honest grade: plausible", "readable": false, "generated": false}, {"id": "card_n_88ac7219a4a9", "title": "Laplace — the map's dynamics (decay/growth), beyond the steady spectrum", "shelf": "concepts", "surface": "secular", "snippet": "Matt: 'laplace transform ... missing.' Fourier gives the STEADY spectrum (the imaginary axis); Laplace adds the REAL axis s=sigma+i*omega — decay/growth RATES. The map's eigenvalue spectrum decays EXP", "authority_tier": "matt", "source": "Operator's seed (Matt) — honest grade: plausible", "readable": false, "generated": false}, {"id": "card_bridge_theory_optimization__linear_programming_duality", "title": "Bridge: Optimization & gradient descent (following the slope)  ↔  Linear programming & duality", "shelf": "bridges", "surface": "secular", "snippet": "Optimization & gradient descent (following the slope) and Linear programming & duality are the same form in different domains. constrained optimisation by LAGRANGE MULTIPLIERS produces exactly the SHA", "authority_tier": "reference", "source": "The Bridges — cross-domain isomorphisms", "readable": false, "generated": false}, {"id": "card_n_5e4190e4815e", "title": "Universal Gradient Manifold (UGM) — a heat-source-agnostic energy OS", "shelf": "concepts", "surface": "secular", "snippet": "Matt's seed (Universal_Gradient_Manifold_Concept). The valuable asset in an energy system is not the fuel or the engine but the RESERVOIR that stores a gradient and the MANIFOLD that routes it to work", "authority_tier": "matt", "source": "Operator's seed (Matt) — honest grade: resonance", "readable": false, "generated": false}, {"id": "card_n_dcb1a67c26e8", "title": "The evolution of language — descent traced by regular law", "shelf": "science", "surface": "secular", "snippet": "Languages descend like living lineages, and the descent is RECOVERABLE — the comparative\nmethod is one of the humanities' deterministic sciences. English 'father' descends from\nProto-Indo-European *ph", "authority_tier": "engine_derived", "source": "Concordance assay — 2026-07-09", "readable": false, "generated": false}, {"id": "card_c_5fdcfbcf97d3", "title": "Natural descent meets a language built from scratch", "shelf": "connections", "surface": null, "snippet": "Languages evolve by law; Toki Pona was designed minimal — the wild and the cultivated tongue.", "authority_tier": "engine_derived", "source": "Concordance assay — 2026-07-09", "readable": false, "generated": false}, {"id": "card_src_openstax_concepts_biology_key_terms_b4c29bb4", "title": "Key Terms — Concepts of Biology", "shelf": "biology", "surface": "secular", "snippet": "Key Terms\n\nadaptation a heritable trait or behavior in an organism that aids in its survival in its present environment\n\nadaptive radiation a speciation when one species radiates out to form several o", "authority_tier": "reference", "source": "OpenStax: Concepts of Biology (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_etym_descent", "title": "descent", "shelf": "etymology", "surface": "secular", "snippet": "descent: etymology (Webster 1913) — n.: [F. descente, fr. descendre; like vente, from vendre. See Descend.]. From Webster's Revised Unabridged Dictionary (1913), public domain.", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_c_3c6c15d8a253", "title": "The linguistic clock — the comparative metho ↔ The evolution of language — descent traced b", "shelf": "connections", "surface": null, "snippet": "The comparative method reconstructs ancestral tongues from their daughters (sealed in the language-evolution wing)  — a concord the card itself states; mined + verified.", "authority_tier": "engine_derived", "source": "Concordance miner — 2026-07-11", "readable": false, "generated": false}, {"id": "card_c_acce15e9c67a", "title": "The evolution of language — descent traced b ↔ Glottochronology — carbon-dating the words", "shelf": "connections", "surface": null, "snippet": "glottochronology's constant rate is HEURISTIC — a trend, not a law  — a concord the card itself states; mined + verified.", "authority_tier": "engine_derived", "source": "Concordance miner — 2026-07-11", "readable": false, "generated": false}, {"id": "card_src_etym_ascent", "title": "ascent", "shelf": "etymology", "surface": "secular", "snippet": "ascent: etymology (Webster 1913) — [Formed like descent, as if from a F. ascente, fr. a verb ascendre, fr. L. ascendere. See Ascend, Descent.]. From Webster's Revised Unabridged Dictionary (1913), pub", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_c_60f141ce870b", "title": "The evolution of language — descent traced b ↔ Grimm's Law — sound change without exception", "shelf": "connections", "surface": null, "snippet": "the sound-law REGULARITY is a strong empirical finding (Grimm, 1822)  — a concord the card itself states; mined + verified.", "authority_tier": "engine_derived", "source": "Concordance miner — 2026-07-11", "readable": false, "generated": false}, {"id": "card_bridge_hub_optimization", "title": "Hub: Optimization & gradient descent (following the slope) carries 4 domains", "shelf": "bridges", "surface": "secular", "snippet": "Calculations from 4 different domains (computer_science, mathematics, operations_research, statistics) all rest on Optimization & gradient descent (following the slope) — one theory holding up many fi", "authority_tier": "reference", "source": "The Bridges — cross-domain isomorphisms", "readable": false, "generated": false}, {"id": "card_c_d76131142563", "title": "The evolution of language — descent traced b ↔ The linguistic clock — the comparative metho", "shelf": "connections", "surface": null, "snippet": "the comparative method is one of the humanities' deterministic sciences  — a concord the card itself states; mined + verified.", "authority_tier": "engine_derived", "source": "Concordance miner — 2026-07-11", "readable": false, "generated": false}, {"id": "card_calc_gradient_descent", "title": "Gradient descent", "shelf": "calculations", "surface": "secular", "snippet": "Gradient descent — computer_science. Formula: x_{n+1} = x_n - eta grad f. Canonical FORM: recursion (x_{n+1} = f(x_n)) — a recursion that walks downhill to an optimum — where learning lives. Same form", "authority_tier": "reference", "source": "The Calculation Map — every calculation, mapped by form", "readable": false, "generated": false}, {"id": "card_calc_brachistochrone", "title": "Brachistochrone (fastest descent)", "shelf": "calculations", "surface": "secular", "snippet": "Brachistochrone (fastest descent) — mathematics. Formula: minimize integral ds/v. Canonical FORM: variational (delta integral L = 0) — the curve of quickest slide — the problem that founded the field.", "authority_tier": "reference", "source": "The Calculation Map — every calculation, mapped by form", "readable": false, "generated": false}], "house": {"door": "FIND", "kind": "cards", "trail": "results", "seal": null, "next_step": {"do": "open the top card", "door": "FIND", "tool": "card_get", "params": {"id": "card_bio_evolution"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}