RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

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.

388 results for "Shoemaker-Levy 9" — page 12 of 20

Verified

INTERDOC_09 — Language-DNA-Migration Triangulation

The last two decades have witnessed a revolution in our understanding of human migration history, driven by the integration of computational linguistics, paleogenomics, and archaeology into a unified analytical framework

linguistic phylogeny archaeogenetics ancient DNA migration Indo-European Bantu expansion
Credible

INTERDOC_19 — Cosmic Impact, Mythology, and Cultural Memory

[KEY FINDING] The Younger Dryas Impact Hypothesis (YDIH) — first proposed by Richard Firestone, Allen West, and Simon Warwick-Smith (2006–2007) — argues that a cosmic impact or airburst event ~12,800 BP triggered the You

cosmic impact Younger Dryas Chicxulub comet mythology Taurid meteor stream Clube and Napier
ZB_2_19 Verified Ecology & Biology

ZB_2_19 — Epigenetics & Chromatin Modification

Epigenetics — literally "above genetics" — encompasses heritable changes in gene expression that occur without alterations to the DNA sequence itself. The term was coined by Conrad Hal Waddington in 1942 to describe how

epigenetics DNA methylation histone modification chromatin remodeling gene expression transgenerational inheritance
ZB_2_09 Verified Ecology & Biology

ZB_2_09 — Biological Regeneration: Limb Regrowth and Tissue Repair

The ability to regenerate lost body parts varies enormously across the animal kingdom. Planarian flatworms can rebuild an entire organism from a fragment 1/279th of the original. Salamanders regenerate complete limbs, ja

regeneration limb regeneration salamander axolotl planarian Hydra
ZB_1_09 Verified Ecology & Biology

ZB_1_09 — Tool Use in Animals

Tool use — defined as the deployment of an external object to alter the form, position, or condition of another object or organism — was once considered uniquely human. Since Jane Goodall's 1960 observation of chimpanzee

tool use animal cognition crow New Caledonian crow chimpanzee orangutan
ZB_5_09 Verified Ecology & Biology

ZB_5_09 — Phenology: Seasonal Timing in Nature

Phenology — the study of the timing of recurring biological events (leaf-out, flowering, fruiting, autumn senescence, insect emergence, bird migration, amphibian breeding) in relation to seasonal and climatic drivers — h

phenology seasonal timing climate change mismatch first bloom migration timing
ZB_5_29 Verified Ecology & Biology

ZB_5_29 — Biomineralization: Biological Crystal Engineering from Shells to Bones

Biomineralization — the process by which living organisms produce minerals — is one of the most remarkable achievements of biological engineering, responsible for structures ranging from the calcium carbonate shells of m

biomineralization calcium carbonate hydroxyapatite nacre bone mineralization magnetotaxis
ZB_5_19 Verified Ecology & Biology

ZB_5_19 — The Anthropocene: Human Dominance of Earth Systems and Epoch Dating

The Anthropocene — a proposed geological epoch defined by the dominant influence of human activity on Earth's geology, climate, and ecosystems — has become one of the most consequential and contentious concepts in modern

Anthropocene human impact epoch dating stratigraphic marker Great Acceleration nuclear fallout
ZB_4_09 Verified Ecology & Biology

ZB_4_09 — Canopy Ecology: Life in the Forest Roof

The forest canopy — the aggregate of tree crowns forming the uppermost vegetative layer of a forest — is among the most species-rich, least explored, and most ecologically dynamic habitats on Earth, harboring an estimate

canopy ecology forest canopy epiphyte arboreal vertical stratification emergent layer
ZB_3_19 Verified Ecology & Biology

ZB_3_19 — Permafrost Methane

Permafrost — permanently frozen ground maintained at or below 0°C for at least two consecutive years — underlies approximately 22% of the Northern Hemisphere land surface (about 23 million km²), primarily across Siberia,

permafrost methane thermokarst clathrate greenhouse gas Arctic warming
ZB_3_09 Verified Ecology & Biology

ZB_3_09 — Mutualism and Cooperation in Nature

Mutualism — an interspecific interaction in which both partners benefit — is one of the most important ecological relationships on Earth, underpinning ecosystem function from coral reefs to forests to the human gut. The

mutualism symbiosis cooperation reciprocal altruism cleaner fish mycorrhiza
ZC_3_09 Verified Social Science

ZC_3_09 — Nationalism and Ethnic Conflict

Nationalism — the political principle and cultural sentiment that nations should have their own states — is arguably the most powerful political force of the modern era. Benedict Anderson (Imagined Communities, 1983/1991

nationalism ethnic conflict nation-state Anderson imagined communities ethnonationalism
ZC_3_19 Credible Social Science

ZC_3_19 — Digital Divide and Information Inequality

The digital divide — the gap between populations with effective access to digital and information technologies and those without — has evolved from a simple binary (connected vs. unconnected) into a multi-dimensional fra

digital-divide information-inequality internet-access broadband digital-literacy global-south
ZC_5_09 Verified Social Science

ZC_5_09 — Sociology of Race and Ethnicity: Construction, Racism, and Intersectionality

The sociology of race and ethnicity studies how racial and ethnic categories are socially constructed, how racism operates as a system of power, and how racial and ethnic identities shape life chances, social institution

race ethnicity racism social construction Critical Race Theory intersectionality
ZC_5_19 Credible Social Science

ZC_5_19 — Network Society — Castells

Manuel Castells (born 1942 in Hellín, Spain), professor at the University of Southern California and emeritus at the University of California, Berkeley, produced one of the most ambitious sociological analyses of the lat

network society Manuel Castells information age informationalism space of flows timeless time
ZC_1_19 Credible Social Science

ZC_1_19 — Moral Psychology

Moral psychology — the scientific study of how humans develop, experience, and exercise moral judgment — has undergone a revolution since the early 2000s, shifting from Lawrence Kohlberg's rationalist stage theory (1958–

moral-psychology moral-foundations trolley-problem moral-intuition jonathan-haidt moral-development
ZC_1_09 Verified Social Science

ZC_1_09 — Psychology of Leadership

Leadership psychology investigates the traits, behaviors, and situations that enable individuals to influence, motivate, and direct others toward collective goals — one of the most extensively studied and practically imp

leadership social-science transformational leadership transactional leadership charismatic leadership servant leadership authentic leadership
ZC_4_19 Credible Social Science

ZC_4_19 — Disaster Resilience Anthropology: Cultural Adaptation to Catastrophe

Disaster anthropology — the study of how human societies prepare for, experience, respond to, and recover from catastrophic events — emerged as a distinct subfield through the work of Anthony Oliver-Smith (University of

disaster anthropology resilience cultural adaptation vulnerability hazard risk perception
ZC_4_09 Credible Social Science

ZC_4_09 — Visual Anthropology: Ethnographic Film and Image as Evidence

Visual anthropology — the study of human societies through visual media (photography, film, video, digital platforms) and the anthropological analysis of visual systems — occupies a unique position at the intersection of

visual anthropology ethnographic film Robert Flaherty Jean Rouch Margaret Mead Gregory Bateson
ZC_2_09 Verified Social Science

ZC_2_09 — Sociology of Gender and Sexuality

The sociology of gender and sexuality examines how societies construct, enforce, and contest gender categories and sexual norms. The sex-gender distinction (introduced to sociology by Ann Oakley, Sex, Gender and Society,

gender sexuality feminism patriarchy gender roles social construction