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.
81 results for "species distribution" — page 2 of 5
M_5_08 — Elongated Skulls Expanded: Global Distribution and Genetics
Artificial cranial modification (ACM) — the deliberate reshaping of the infant skull through binding, boarding, or padding — is one of the most widespread and ancient cultural practices in human history, documented indep
C_4_01 — Credo Mutwa & African Serpent/Reptilian Traditions
This document examines Credo Mutwa & African Serpent/Reptilian Traditions, a topic within the Global Traditions research area. Key areas of investigation include Basic Information, Key Life Events, The Significance of Ti
Z_3_07 — Gene Drive Technology
Gene drives are genetic systems that bias their own inheritance to spread through a population at rates exceeding normal Mendelian expectations (~50% → ~99% transmission). Natural selfish genetic elements (transposons, m
Z_2_08 — Prion Genetics and Misfolded Proteins
Prions are infectious agents composed entirely of misfolded protein — the only known pathogen that contains no nucleic acid (no DNA, no RNA). The protein-only hypothesis (Stanley Prusiner, 1982 — Nobel Prize 1997) states
Z_2_20 — Prion Molecular Biology
At the molecular level, prion diseases arise from the conversion of the normal cellular prion protein (PrPᶜ) into a misfolded, aggregation-prone conformer (PrPˢᶜ) through a process that remains one of the most extraordin
E_5_06 — Holocene Sixth Mass Extinction: Current Biodiversity Crisis
The Holocene "Sixth Mass Extinction" hypothesis holds that current species loss rates are 100–1,000 times the normal background extinction rate, driven primarily by human activity: habitat destruction, overexploitation,
ZG_3_21 — Tone Languages & Cognition
Tone languages — languages in which the pitch pattern of a syllable determines or changes its lexical meaning — are spoken by more than half of the world's population, though they are frequently overlooked in linguistic
Q_2_12 — Cosmic Nucleosynthesis and Primordial Helium Abundance
Big Bang nucleosynthesis (BBN) — the formation of the lightest elements during the first ~20 minutes after the Big Bang — stands as one of the most remarkable quantitative successes of modern cosmology. With only one fre
Q_2_14 — Gamma-Ray Bursts
Gamma-ray bursts (GRBs) are the most energetic electromagnetic events in the universe — brief, intense flashes of gamma radiation that, when corrected for beaming, release ~10⁴⁴–10⁴⁷ joules in seconds to minutes. First d
ZB_5_14 — Conservation Biology
Conservation biology — the scientific study of biodiversity loss and the methods to protect species, habitats, and ecosystems — was formally established as a discipline by Michael Soulé (University of California, San Die
ZB_5_05 — Extinction Biology and De-Extinction
Extinction — the complete disappearance of a species — is a permanent event that has shaped life's history as profoundly as origination. Background extinction (the normal, continuous loss of species) proceeds at ~0.1–1 s
ZB_4_11 — Island Ecology: Biogeography, Endemism, and Evolutionary Radiation
Island ecology — centered on the theory of island biogeography developed by Robert MacArthur and Edward O. Wilson (1963, 1967) — provides one of ecology's most influential theoretical frameworks, explaining how species d
ZB_4_08 — Rewilding and Ecological Restoration
Rewilding is an emerging approach to conservation that aims to restore self-sustaining, self-regulating ecosystems by reintroducing missing species — particularly large vertebrates and ecological engineers — and allowing
ZB_4_01 — Biogeography and Island Biology
Biogeography — the study of the geographic distribution of organisms — was one of Darwin's and Wallace's most powerful lines of evidence for evolution and remains central to modern biology. Alfred Russel Wallace identifi
ZB_3_04 — Ecological Succession
Ecological succession — the process of community change over time following a disturbance or the creation of new habitat — is one of ecology's oldest and most studied concepts. Primary succession occurs on newly exposed
ZB_3_11 — Tropical Rainforest Ecology: Earth's Richest Biome
Tropical rainforests — evergreen broadleaf forests occurring in equatorial zones receiving >2,000 mm annual rainfall with no pronounced dry season and temperatures averaging 25–27°C year-round — cover approximately 6–7%
ZC_4_01 — Gift Economy and Reciprocity
The gift economy — a system of exchange in which goods and services are transferred without explicit agreement for immediate return, yet create bonds of obligation, reciprocity, and social hierarchy — has been one of the
G_1_05 — eDNA and Environmental DNA — Reading Invisible Life
Environmental DNA (eDNA) refers to genetic material shed by organisms into their environment — through skin cells, mucus, feces, urine, gametes, decomposing tissue, pollen, root exudates, and other biological residues —
G_1_06 — Paleoproteomics — Ancient Proteins Beyond DNA
Paleoproteomics is the extraction, identification, and analysis of ancient proteins from archaeological and paleontological materials — an emerging molecular method that extends biological identification far beyond the t
G_2_04 — Complexity Economics and Ancient Trade Systems
Complexity economics — the application of complex systems theory, non-linear dynamics, and agent-based modeling to economic phenomena — provides a powerful modern framework for understanding ancient and premodern trade s
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