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.

160 results for "van Prooijen" — page 7 of 8

Y_2_05 Credible Altered States

Y_2_05 — Near-Death Experiences: Cross-Cultural Analysis

Near-death experiences (NDEs) — profound subjective experiences occurring during clinical death, cardiac arrest, or perceived proximity to death — have been reported across virtually all cultures and historical periods.

near-death experience NDE cross-cultural NDE tunnel experience life review being of light out-of-body experience
Y_3_16 Verified Altered States

Y_3_16 — Vipassana: Insight Meditation Tradition

Vipassana (Pali: vipassanā, "clear seeing" or "insight") is one of the two primary modes of Buddhist meditation alongside samatha (calming/concentration), directed at cultivating direct experiential understanding of the

vipassana insight meditation satipatthana Theravada Mahasi Sayadaw S.N. Goenka
Y_3_11 Verified Altered States

Y_3_11 — Biofeedback and Neurofeedback

Biofeedback is the process of using real-time monitoring of physiological signals — heart rate, muscle tension, skin conductance, brainwave patterns — to train voluntary control over processes normally considered involun

biofeedback neurofeedback EEG biofeedback brain-computer interface operant conditioning alpha training
H_3_14 Credible Suppression & Thesis

H_3_14 — Oral History Suppression: Favoring Text Over Voice

Academic historiography has systematically privileged written texts over oral sources — treating written documents as reliable evidence and oral traditions as unreliable, distorted, or "merely" mythological. This literac

oral history oral tradition literacy bias text privilege voice memory
P_3_09 Verified Philosophy & Meaning

P_3_09 — Nihilism, Absurdism, and Camus

Nihilism — from Latin nihil ("nothing") — is the philosophical position that life, existence, and values lack objective meaning, purpose, or intrinsic worth. It is not a single doctrine but a cluster of related positions

nihilism absurdism Albert Camus Friedrich Nietzsche Myth of Sisyphus absurd
P_4_01 Credible Philosophy & Meaning

P_4_01 — Death and the Afterlife Across Cultures

Every known human culture has developed beliefs about what happens after death — making afterlife cosmology one of the most universal features of human thought. The major frameworks include: judgment and reward/punishmen

death afterlife resurrection reincarnation ancestor worship near-death experience
ZE_5_14 Verified Ethics & Applied Philosophy

ZE_5_14 — Ethics of Promise and Contract: Trust, Binding Words, and Obligation

Promise-keeping is among the most fundamental moral obligations — yet its philosophical basis is surprisingly elusive. Why does uttering certain words ("I promise") create a binding moral obligation? The question has gen

promise contract obligation trust fidelity promissory obligation
ZE_4_06 Verified Ethics & Applied Philosophy

ZE_4_06 — Ethics of Death and Dying

The ethics of death and dying encompasses philosophical questions about the nature and badness of death, moral debates about end-of-life decisions (euthanasia, assisted suicide, palliative care), and the definition of de

death dying euthanasia assisted suicide palliative care hospice
ZE_2_11 Verified Ethics & Applied Philosophy

ZE_2_11 — Liminality, Ritual Transition, and Ethics of Transformation

Liminality — from the Latin limen (threshold) — describes the ambiguous middle phase of ritual transitions where participants are "betwixt and between" established social categories. Arnold van Gennep (Les rites de passa

liminality Victor Turner van Gennep rites of passage communitas liminal space
N_5_06 Verified Secret Societies

N_5_06 — Cargo Cults as Modern Mystery Schools: Anthropological Analysis

Cargo cults — the millenarian religious movements that emerged primarily in Melanesia (Papua New Guinea, Vanuatu, Solomon Islands, and other Pacific islands) during and after contact with Western industrial civilization,

cargo cult Melanesia John Frum Vanuatu Papua New Guinea millenarian
R_4_01 Verified Biology & Evolution

R_4_01 — The Evolution of Flight: Birds, Bats, Insects, and Pterosaurs

Powered flight has evolved independently at least four times in the history of life — in insects (~350–400 Ma), pterosaurs (~230 Ma), birds (~160 Ma), and bats (~55 Ma) — making it one of evolution's most spectacular exa

flight evolution powered flight feathered dinosaurs Archaeopteryx avian evolution insect wings
R_3_05 Verified Biology & Evolution

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

coevolution Red Queen hypothesis Van Valen arms race mutualism plant-pollinator
R_2_02 Verified Biology & Evolution

R_2_02 — Convergent Evolution and the Aquatic Ape Hypothesis

Convergent evolution — the independent development of similar features in unrelated lineages — is one of biology's most profound patterns. Eyes evolved independently at least 40-65 times (Fernald 2006). Echolocation evol

convergent evolution aquatic ape hypothesis bipedalism subcutaneous fat diving reflex vernix caseosa
R_2_03 Verified Biology & Evolution

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

Neanderthal Homo neanderthalensis hybridization interbreeding DNA genome
R_2_06 Verified Biology & Evolution

R_2_06 — Isbell Snake Detection Hypothesis

This document examines Isbell Snake Detection Hypothesis, a topic within the Biology Evolution research area. Key areas of investigation include Origin and Author, The Core Thesis, The Expanded Pulvinar. The analysis spa

Lynne Isbell snake detection theory primate vision pulvinar nucleus trichromatic vision Quan Van Le
R_2_08 Verified Biology & Evolution

R_2_08 — Bipedalism — Why We Walk Upright and What It Cost Us

Bipedalism — habitual upright walking on two legs — is the defining characteristic of the hominin lineage, predating brain enlargement, tool use, and language by millions of years. The earliest evidence comes from Sahela

bipedalism human evolution Sahelanthropus Ardipithecus Laetoli footprints savanna hypothesis
S_4_15 Verified Future Technology

S_4_15 — Smart Grid: Intelligent Energy Distribution, Microgrids, and V2G

The smart grid — the transformation of the traditional electrical grid through digital communication, sensing, automation, and distributed intelligence — is essential for integrating high penetrations of variable renewab

smart grid microgrid distributed energy resource DER demand response vehicle-to-grid
S_1_21 Verified Future Technology

S_1_21 — Quantum Sensors and Metrology

Quantum sensors exploit the extreme sensitivity of quantum systems — atoms, ions, photons, superconducting circuits, and spin defects — to measure physical quantities (time, frequency, magnetic and electric fields, gravi

quantum sensor quantum metrology atom interferometer optical clock nitrogen-vacancy center SQUID
S_1_04 Verified Future Technology

S_1_04 — Quantum Computing and Information Processing Frontiers

Quantum computing exploits the principles of quantum mechanics — superposition (a qubit existing in multiple states simultaneously), entanglement (correlated states across distance), and interference (constructive/destru

quantum computing qubit superposition entanglement quantum gate quantum circuit
S_2_19 Verified Future Technology

S_2_19 — De-Extinction Technology

De-extinction is the scientific effort to resurrect species that have gone extinct, using techniques ranging from selective back-breeding and cloning to advanced genome editing. What was once pure science fiction moved i

de-extinction woolly mammoth passenger pigeon Colossal Biosciences ancient DNA CRISPR