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.
171 results for "Rh disease" — page 8 of 9
R_4_02 — Eye Evolution and the Origin of Vision
Eyes have evolved independently at least 40–65 times across the animal kingdom, producing a stunning diversity of optical designs — from simple eyespots in jellyfish to camera eyes in vertebrates and cephalopods, compoun
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_15 — Epigenetics and Lamarckian Inheritance: Transgenerational Mechanisms Beyond DNA Sequence
Epigenetics — the study of heritable changes in gene expression that occur without alteration to the underlying DNA sequence — has fundamentally reshaped modern biology since the term was coined by Conrad Hal Waddington
R_5_02 — Megafauna Extinction: Quaternary Losses and the Overkill Debate
Between ~50,000 and 10,000 years ago, Earth lost the majority of its large-bodied animals (megafauna >44 kg) — woolly mammoths, ground sloths, saber-toothed cats, giant wombats, moa, and dozens of other spectacular speci
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
R_2_03 — Neanderthal Cognition and Interbreeding
For over a century, Neanderthals were depicted as brutish, cognitively inferior "cave men" — a failed evolutionary experiment replaced by superior modern humans. This narrative has been DEMOLISHED by 21st-century genetic
S_4_01 — Existential Risk Taxonomy
Existential risk (x-risk) refers to any event that could permanently curtail humanity's long-term potential — including extinction, civilizational collapse without recovery, or irreversible loss of value (e.g., permanent
S_2_15 — Brain Organoids: Lab-Grown Neural Models, Consciousness, and Ethics
Brain organoids — also called cerebral organoids or colloquially "mini-brains" — are three-dimensional, self-organized tissue cultures derived from human induced pluripotent stem cells (iPSCs) or embryonic stem cells tha
F_1_15 — Norse-Islamic Contact: Vikings and the Caliphate
The contact between Norse (Viking) Scandinavia and the Islamic world — particularly the Abbasid Caliphate (750–1258 CE) — constitutes one of the most remarkable and underappreciated long-distance exchange networks of the
F_2_11 — Ancient Spice and Incense Routes: Aromatic Trade Networks
The trade in aromatic substances — frankincense, myrrh, cinnamon, cassia, pepper, cloves, nutmeg, camphor, sandalwood, spikenard, and dozens of other plant-derived resins, barks, seeds, and oils — constitutes one of the
F_2_16 — Numismatic Evidence for Ancient Trade: Coins as Contact Proof
Coins — small, durable, precisely dated, and geographically attributable objects — are among the most powerful archaeological evidence for long-distance trade, cultural contact, and economic integration in the ancient wo
F_2_05 — Amber, Incense, and Spice Routes: Pre-Silk Road Exchange Networks
Long before the Silk Road connected Han China to Rome, extensive networks of luxury exchange linked the Baltic to the Mediterranean, the Arabian Peninsula to Egypt, and South Asia to the ancient Near East. Baltic amber —
F_4_29 — Columbian Exchange: Biological & Cultural Transformation
The Columbian Exchange — a term coined by historian Alfred W. Crosby in 1972 — describes the massive bidirectional transfer of plants, animals, diseases, technologies, and peoples between the Americas and the Old World f
ZA_3_18 — Quark-Gluon Plasma and Exotic Matter States
Quark-gluon plasma (QGP) — a deconfined state of matter in which quarks and gluons, normally bound inside protons and neutrons by the strong nuclear force (quantum chromodynamics, QCD), roam freely over extended volumes
ZA_3_17 — Exotic Matter States: Quark-Gluon Plasma, Strange Matter, and Extreme Condensates
Exotic matter states — forms of matter that exist under conditions of extreme temperature, density, or quantum degeneracy far beyond everyday experience — reveal the fundamental structure of matter and the behavior of qu
I_3_09 — Foo Fighters and World War II Anomalous Observations
"Foo fighters" — a term coined by American military aircrews during World War II — refers to unexplained luminous phenomena observed by Allied (and reportedly Axis) pilots in both the European and Pacific Theaters from a
I_5_07 — Pre-Modern UAP Accounts — Historical Sightings
Accounts of anomalous aerial phenomena predate the modern UFO era (1947) by millennia. Classical authors including Livy, Pliny the Elder, Plutarch, and Josephus recorded "prodigies" involving shields, spears, and armies
I_5_09 — Cattle Mutilation and UAP Association
Cattle mutilation refers to the unexplained deaths of livestock — predominantly cattle — found with specific organs or tissue removed with what witnesses describe as "surgical precision," often accompanied by complete or
V_1_08 — Mathematical Puzzles & Recreational Mathematics
Mathematical puzzles — problems posed for amusement, education, or intellectual challenge — have served as engines of mathematical discovery for over 4,000 years. The Rhind Mathematical Papyrus (c. 1650 BCE, Egypt) conta
V_1_05 — Ancient Number Systems & Gematria
Every literate civilization developed a number system, and the diversity of these systems reveals both universal mathematical needs and culturally specific solutions.
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