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.
289 results for "REM sleep" — page 14 of 15
Y_2_15 — Breathwork Traditions: Holotropic, Tummo, and Physiological Extremes
Breathwork — the deliberate manipulation of breathing patterns to induce altered physiological and psychological states — represents one of humanity's oldest and most accessible methods for modifying consciousness, with
Y_3_12 — Whirling Dervishes: Sufi Sema Ceremony and Rotational Consciousness
The whirling dervishes — practitioners of the sema (or sama) ceremony of the Mevlevi order — are among the most recognizable embodiments of Sufi mysticism: figures in tall camel-hair hats (sikke) and flowing white skirts
R_5_12 — Deep-Sea Biology: Hadal Zone Life, Pressure, and Extreme Organisms
The deep sea — defined as depths below 200 meters (the photic zone boundary) — constitutes the largest habitat on Earth by volume, yet remains among the least explored. This vast realm is divided into depth zones: the me
X_3_26 — Chronobiology & Circadian Medicine
Chronobiology — the study of biological rhythms — has emerged from a niche curiosity to a Nobel Prize–winning discipline with profound implications for medicine, metabolism, and mental health. [KEY FINDING] The 2017 Nobe
ZF_5_16 — Ocean Observation Networks: Global Monitoring of the Marine Environment
Ocean observation networks constitute the global infrastructure for monitoring the physical, chemical, and biological state of the world's oceans in near-real-time. The centerpiece of modern ocean observation is the Argo
ZF_4_11 — Sea Ice Dynamics and Polar Oceanography
Sea ice — frozen seawater that forms a thin crust (typically 1–4 m thick) over polar and subpolar oceans — is one of Earth's most dynamic and climate-sensitive features, playing a disproportionate role in global climate
ZF_1_17 — Abyssal Trench Biogeography
Hadal trenches — oceanic depressions exceeding 6,000 m depth, formed by tectonic subduction — represent Earth's deepest and least explored biomes, harboring unique ecosystems under extreme pressures (600–1,100 atm), perp
K_5_07 — Psychophysics: Measuring the Relationship Between Mind and World
Psychophysics — literally "the physics of the soul/mind" — is the scientific study of the quantitative relationship between physical stimuli and the sensations and perceptions they produce. Founded by Gustav Theodor Fech
K_5_05 — Consciousness and Information Integration: Phi and Its Critics
Integrated Information Theory (IIT), developed primarily by neuroscientist Giulio Tononi (b. 1960) at the University of Wisconsin-Madison, with significant contributions from Christof Koch (Allen Institute for Brain Scie
K_5_00 — Perception Phenomenology: Subfolder Summary
J_5_18 — Viking Sunstone and Ancient Navigation Instruments
Ancient civilizations developed remarkably sophisticated navigation instruments that enabled open-ocean voyaging, astronomical timekeeping, and geographic measurement millennia before GPS. The Norse sólarsteinn (sunstone
J_5_12 — Water Clocks: Clepsydrae and Ancient Timekeeping
The water clock — known by the Greek term clepsydra ("water thief") — was one of the most important timekeeping technologies of the ancient world, supplementing sundials by providing time measurement during the night, on
Q_2_16 — White Dwarfs, Type Ia Supernovae, and Standard Candles
White dwarfs — the remnant cores of low- and intermediate-mass stars (initial mass < ~8 M☉, ~97% of all stars) — are dense objects supported against gravitational collapse by electron degeneracy pressure, with typical ma
G_0_00 — Modern Frameworks: Section Summary
G_1_00 — Archaeological Science Methods: Subfolder Summary
G_1_08 — Machine Learning in Archaeology — Pattern Recognition in the Past
Machine learning (ML) — the subset of artificial intelligence in which algorithms learn patterns from data rather than being explicitly programmed — is transforming archaeological practice across every stage of research:
O_0_00 — Earth Science & Anomalies: Section Summary
O_5_00 — Climate Records Ecology: Subfolder Summary
D_3_20 — Amazonian Geoglyphs & Pre-Columbian Earthworks
LiDAR surveys and systematic deforestation since the 1970s have revealed thousands of pre-Columbian geometric earthworks (geoglyphs) across western Amazonia, fundamentally overturning the long-held view of the Amazon as
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
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