RESEARCH BASE
Search 3,721 documents across 34 fields — every claim tier-rated by evidence
3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.
1,495 results for "evolution of sex" — page 8 of 75
P_2_14 — Philosophy of Action: Agency, Intention, and Collective Action
The philosophy of action investigates the nature of human agency — what it means to act (as opposed to merely moving), what makes an action intentional, how reasons relate to causes, and how individual agency extends to
ZE_5_08 — Professional Ethics: Engineering, Journalism, and Academic Integrity
Professional ethics examines the moral obligations that arise from occupying specialized roles — obligations that go beyond ordinary morality and are grounded in the trust, expertise, and power that professionals wield.
ZE_1_16 — Epistemic Ethics: The Morality of Belief, Knowledge, and Intellectual Virtue
Epistemic ethics — the study of the moral dimensions of belief, knowledge-seeking, and intellectual conduct — addresses a fundamental question: do we have moral obligations regarding what we believe and how we form our b
ZE_2_08 — Philosophy of Time and Temporal Ethics
The philosophy of time and temporal ethics investigates how our understanding of time's nature shapes moral obligations. McTaggart's 1908 argument that time is unreal introduced the distinction between A-series (past/pre
N_2_08 — Carbonari and Revolutionary Secret Societies
The Carbonari ("charcoal burners") were the most influential of a network of revolutionary secret societies that operated across Europe — particularly in Italy, France, and Spain — during the early 19th century (c. 1800–
N_2_14 — Priory of Sion — Myth & Reality
The Priory of Sion (French: Prieuré de Sion) is one of the most thoroughly investigated alleged secret societies in modern history — and one whose fraudulent origins are now definitively established. [KEY FINDING] The Pr
N_3_09 — OTO Thelema and Aleister Crowley
Thelema is a philosophical and religious system developed by English occultist Aleister Crowley (1875–1947), centered on the principle "Do what thou wilt shall be the whole of the Law" — articulated in The Book of the La
N_4_16 — Club of Rome & Limits to Growth
The Club of Rome is an international think tank founded on April 8, 1968, in Rome, by Aurelio Peccei (1908–1984), an Italian industrialist (former managing director of Fiat and co-founder of Olivetti), and Alexander King
R_4_05 — Seed Plants and Angiosperm Evolution
Angiosperms (flowering plants) are the most species-rich and ecologically dominant group of land plants, comprising roughly 300,000–400,000 species — over 90% of all living plant species. Their origin and rapid diversifi
R_4_18 — Virology and Viral Evolution
Virology — the study of viruses, their structure, classification, evolution, and interactions with hosts — has undergone a revolution since the development of high-throughput sequencing, revealing that viruses are the mo
R_4_10 — Cetacean Evolution: Whales, Dolphins, and the Return to the Sea
The evolution of cetaceans — whales, dolphins, and porpoises — from small, four-legged terrestrial mammals to the largest animals ever to live on Earth is one of the best-documented major evolutionary transitions, suppor
R_4_06 — Skeleton Evolution and Biomechanics
Skeletal systems — structures providing support, protection, and movement — have evolved independently multiple times across the tree of life, representing one of the great themes in the history of life. Three fundamenta
R_4_15 — Insect Evolution: Flight, Metamorphosis, and Mega-Diversity
Insects (class Insecta) are the most species-rich group of organisms on Earth — with over 1 million described species and an estimated 5–10 million total, they account for approximately 80% of all known animal species. T
R_4_03 — Nervous System Evolution: From Nerve Nets to Brains
The nervous system — the most complex organ system in animals — evolved once (possibly twice) from electrically excitable cells in the common ancestor of bilaterians and cnidarians, approximately 600–700 million years ag
R_3_05 — Coevolution — Arms Races, Mutualisms, and Red Queens
Coevolution — reciprocal evolutionary change between interacting species — is one of the most powerful engines of biological diversity. Leigh Van Valen's Red Queen hypothesis (1973) captured its essence: species must con
R_3_11 — Microevolution and Rapid Adaptation
Microevolution — changes in allele frequencies within populations over generations — is the fundamental engine of biological adaptation. Once assumed to operate too slowly to observe directly, research over the past 50 y
R_3_10 — Protein Evolution and Molecular Machines
Proteins are the molecular workhorses of life — catalyzing reactions, building structures, transporting cargo, transmitting signals, and defending against pathogens. They are also some of biology's most astonishing molec
R_3_09 — Molecular Phylogenetics and Tree of Life
Molecular phylogenetics — reconstructing evolutionary relationships from DNA, RNA, and protein sequences — has revolutionized our understanding of the tree of life since Carl Woese's landmark 1977 discovery, using small-
R_3_03 — Evo-Devo: Evolutionary Developmental Biology
Evolutionary developmental biology ("evo-devo") reveals one of biology's most profound discoveries: the same small set of "toolkit" genes (Hox, Pax6, Sonic hedgehog, BMP, Wnt, etc.) controls body plan development across
R_5_06 — Fungal Kingdom: Deep Evolution, Networks, and Ecological Dominance
The Kingdom Fungi — comprising an estimated 2.2–3.8 million species (of which only ~150,000 have been formally described) — is one of the most ecologically dominant, evolutionarily ancient, and biologically consequential
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