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.

1,351 results for "Da Vinci Code" — page 50 of 68

L_3_11 Verified Genetics & Origins

L_3_11 — Genetics of Taste and Dietary Adaptation

Taste perception — the ability to detect sweet, salty, sour, bitter, and umami (savory) stimuli — is mediated by genetically encoded receptor proteins whose variation across individuals and populations reflects evolution

taste genetics TAS2R_4_05 PTC PROP bitter taste umami
L_3_03 Verified Genetics & Origins

L_3_03 — Lactase Persistence and Gene-Culture Coevolution

Lactase persistence — the ability of adults to digest the milk sugar lactose — is the most thoroughly documented case of gene-culture coevolution in the human species. The ancestral mammalian condition is lactase non-per

lactase persistence lactose intolerance LCT gene gene-culture coevolution pastoralism dairy farming
L_3_07 Credible Genetics & Origins

L_3_07 — Behavioral Genetics: Nature and Nurture

Behavioral genetics — the scientific study of how genetic and environmental factors contribute to individual differences in behavior — has transformed our understanding of human psychology over the past half-century. Thr

behavioral genetics nature nurture twin study heritability adoption study gene-environment interaction
L_5_03 Verified Genetics & Origins

L_5_03 — Pharmacogenomics and Ancestral Medicine

Pharmacogenomics — the study of how genetic variation influences individual responses to drugs — bridges genetics, pharmacology, and clinical medicine. Humans carry extensive polymorphism in genes encoding drug-metaboliz

pharmacogenomics CYP2D6 CYP2C_5_04 drug metabolism personalized medicine warfarin
L_5_16 Verified Genetics & Origins

L_5_16 — Archaeogenetics: Ancient DNA and the Human Past

Archaeogenetics — the extraction and analysis of DNA from ancient human, animal, and plant remains — has transformed our understanding of human history since the field's breakthrough in 2010. Advances in next-generation

archaeogenetics ancient DNA aDNA paleogenomics Svante Pääbo David Reich
Y_4_02 Verified Altered States

Y_4_02 — Savant Syndrome and Acquired Genius

Savant syndrome — extraordinary ability coexisting with significant cognitive disability — affects roughly 1 in 10 people with autism and ~1 in 2,000 people with other developmental disabilities or brain injuries. What m

savant syndrome acquired savant traumatic brain injury autistic savant Kim Peek Daniel Tammet
Y_4_11 Credible Altered States

Y_4_11 — Trance States Across Cultures

Trance — an altered state of consciousness characterized by narrowed or shifted attention, altered sense of self, reduced awareness of external surroundings, and modified responsiveness — is one of the most universal fea

trance ritual trance cross-cultural trance possession trance shamanic trance altered states of consciousness
Y_4_07 Verified Altered States

Y_4_07 — Hypnosis — History, Neuroscience, and Therapeutic Application

Hypnosis has evolved from Franz Mesmer's "animal magnetism" theory (1770s) through James Braid's neurological reframing (1843) and James Esdaile's surgical applications in India to Milton Erickson's indirect hypnotherapy

hypnosis mesmerism Mesmer James Braid James Esdaile Milton Erickson
Y_4_13 Verified Altered States

Y_4_13 — Collective Effervescence and Group Altered States

Collective effervescence — Émile Durkheim's term (The Elementary Forms of Religious Life, 1912) for the heightened emotional energy generated when people gather and act together in coordinated ritual — describes a group

collective effervescence Durkheim group ritual emotional contagion synchrony entrainment
Y_4_19 Credible Altered States

Y_4_19 — Ritual-Induced Ecstasy

Ritual-induced ecstasy — altered states of consciousness produced through collective ceremonial practices including dance, chanting, drumming, fasting, pain ordeal, and rhythmic movement — is one of the oldest and most u

ritual ecstasy trance collective effervescence Durkheim sacred dance
Y_4_03 Verified Altered States

Y_4_03 — Shamanic Practices / Altered States Synthesis

Shamanic practices represent humanity's oldest spiritual technology, attested across every inhabited continent from at least 30,000 BCE (Upper Paleolithic cave art) to the present day. Despite vast cultural distances — g

shamanism altered states Mircea Eliade ecstasy trance soul journey
Y_5_09 Credible Altered States

Y_5_09 — Firewalking: Altered States, Pain Override, and Ritual Confidence

Firewalking — the practice of walking barefoot over a bed of hot embers, coals, or heated stones — is one of the most dramatic and visually arresting ritual practices in world culture, documented across diverse tradition

firewalking fire ritual Anastenaria pain override Leidenfrost effect endorphins
Y_5_05 Speculative Altered States

Y_5_05 — Psychic Phenomena: Meta-Analyses and Scientific Evaluation

Parapsychology — the scientific study of purported psychic (psi) phenomena including telepathy, clairvoyance, precognition, and psychokinesis — occupies a unique and contested position in science. Over 130+ years, thousa

parapsychology psi research telepathy clairvoyance precognition psychokinesis
Y_5_11 Verified Altered States

Y_5_11 — Endurance Exercise and Runner's High: Movement-Induced Altered States

Endurance exercise — sustained aerobic physical activity such as distance running, cycling, swimming, or cross-country skiing — is one of the most reliable, accessible, and physiologically well-understood pathways to alt

runner's high endocannabinoid endorphins transient hypofrontality ultra-marathon exercise
Y_5_07 Verified Altered States

Y_5_07 — Phenomenology of Pain and Pain Modulation

Pain — defined by the International Association for the Study of Pain (IASP, revised 2020) as "an unpleasant sensory and emotional experience associated with, or resembling that associated with, actual or potential tissu

pain nociception pain modulation gate control theory Melzack Wall
Y_2_07 Verified Altered States

Y_2_07 — Temporal Lobe Epilepsy and Religious Experience

Temporal lobe epilepsy (TLE) — seizures originating in the temporal lobes, which contain structures critical for memory (hippocampus), emotion (amygdala), and sensory-experiential processing — produces some of the most d

temporal lobe epilepsy TLE Geschwind syndrome ecstatic seizure Dostoevsky religious experience
Y_2_02 Verified Altered States

Y_2_02 — Terminal Lucidity

This document examines Terminal Lucidity, a topic within the Consciousness research area. Key areas of investigation include What Is Terminal Lucidity?, Why This Is Anomalous, The Significance for Consciousness Studies.

terminal lucidity paradoxical lucidity near-death lucidity deathbed phenomena Nahm Greyson
Y_2_09 Verified Altered States

Y_2_09 — Sleep Paralysis, Hypnagogia, and Liminal States

Sleep paralysis — a temporary inability to move or speak while falling asleep or waking — is one of the most universal and culturally interpreted altered states, experienced by an estimated 7.6% of the general population

sleep paralysis hypnagogia hypnopompia hypnagogic hallucination old hag kanashibari
Y_2_08 Verified Altered States

Y_2_08 — Anesthesia, Consciousness, and Awareness

General anesthesia — the pharmacological induction of unconsciousness, amnesia, analgesia, and immobility — is one of the most profound alterations of consciousness that humans routinely produce, yet how anesthetics actu

anesthesia general anesthesia consciousness awareness under anesthesia anesthetic awareness ether
Y_3_02 Verified Altered States

Y_3_02 — Meditation, Neuroplasticity, and Contemplative Neuroscience

Meditation — the systematic training of attention and awareness — has been practiced for at least 3,000-5,000 years (earliest evidence: Indus Valley seal of a seated figure in meditation posture, ~2600 BCE; earliest text

meditation neuroplasticity mindfulness MBSR default mode network DMN