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.
65 results for "endangered species" — page 2 of 4
ZF_5_20 — Wallace Line: Biogeographic Boundary and Deep-Time Distribution Patterns
The Wallace Line is a biogeographic boundary running through the Malay Archipelago, separating the fauna of Asia (Sunda Shelf) from that of Australasia (Sahul Shelf). First identified by Alfred Russel Wallace during his
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_2_10 — Language Documentation and Field Methods
Language documentation is the systematic recording, annotation, preservation, and dissemination of a language's spoken (and signed) forms — encompassing its phonology, morphology, syntax, semantics, pragmatics, and the f
ZG_5_11 — Indigenous Language Revitalization: Immersion, Documentation, and Community Methods
Of the estimated 7,000+ languages spoken worldwide, approximately 40–50% are endangered — meaning they are no longer being learned by children as a first language and face extinction within the coming generations (UNESCO
ZG_4_16 — Language Death and Endangerment: Mechanisms, Metrics, and Revitalization
Of the world's approximately 7,000 living languages, linguists estimate that 50–90% will cease to be spoken by the end of the 21st century — a rate of extinction that dwarfs biological species loss. A language "dies" whe
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
ZB_5_15 — Citizen Science in Ecology: Participatory Research and Large-Scale Biodiversity Monitoring
Citizen science — the participation of non-professional volunteers in scientific research — has become an indispensable component of modern ecology, generating datasets of unprecedented spatial and temporal scale that no
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%
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
B_5_08 — New Animism: Relational Ontology and Perspectivism
"New animism" refers to a scholarly reinterpretation of animism — the attribution of life, intentionality, personhood, or agency to non-human entities (animals, plants, stones, rivers, weather phenomena, artifacts) — tha
B_2_11 — Wild Man, Sasquatch, and Hairy Hominid Traditions
The figure of the "wild man" — a large, hairy, human-like being dwelling in wilderness — constitutes one of the most persistent and geographically widespread archetypes in human tradition. From Enkidu in the Epic of Gilg
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