RESEARCH BASE

Search 3,717 documents across 34 fields — every claim tier-rated by evidence

3,717 documents 34 sections 47,686 citations 34,596+ keywords indexed 4 evidence tiers

2,945 results for "Dia de los Muertos" — page 34 of 148

L_1_16 Verified Genetics & Origins

L_1_16 — Denisovan Genetics and Legacy

The Denisovans — an extinct group of archaic humans first identified in 2010 from ancient DNA extracted from a finger bone fragment found in Denisova Cave, Altai Mountains, Siberia (~41,000 years old) — represent one of

denisovans denisova-cave ancient-dna introgression epas1 altitude-adaptation
L_4_04 Genetics & Origins

L_4_04 — Ancient Proteomics and Paleoproteomics

Paleoproteomics — the recovery and analysis of ancient proteins from archaeological and paleontological specimens — has emerged as a revolutionary complement to ancient DNA (aDNA), dramatically extending the temporal and

paleoproteomics ancient proteins collagen fingerprinting ZooMS mass spectrometry MALDI-TOF
L_4_16 Verified Genetics & Origins

L_4_16 — Ancient Pathogen Genomics: Disease DNA from the Archaeological Record

Ancient pathogen genomics — the recovery and analysis of microbial DNA from archaeological remains — has revolutionized understanding of historical pandemics and pathogen evolution. The field was transformed when Johanne

ancient-pathogen-genomics yersinia-pestis mycobacterium-tuberculosis paleomicrobiology ancient-dna pandemic-history
L_4_14 Verified Genetics & Origins

L_4_14 — Ancient Pathogen Genomics

Ancient pathogen genomics — the recovery, sequencing, and analysis of pathogen DNA from archaeological remains — has revolutionized our understanding of past pandemics, pathogen evolution, and human-disease coevolution.

ancient DNA paleogenomics Yersinia pestis Black Death Justinianic plague ancient tuberculosis
L_2_17 Verified Genetics & Origins

L_2_17 — Pacific Islander Genetics: Austronesian Ancestry, Denisovan Introgression, and Oceanian Genomics

Pacific Islander populations — spanning Melanesia, Micronesia, and Polynesia — harbor some of the most genetically complex and scientifically informative genomes in human biology. Their genetic history records multiple d

Pacific Islander genetics Oceanian genomics Denisovan introgression Polynesian motif Austronesian ancestry Melanesian genetics
L_2_06 Genetics & Origins

L_2_06 — South Asian Genetics and Population History

South Asia harbors one of the most genetically diverse and internally structured population histories of any world region, reflecting deep settlement, repeated admixture, and long periods of extreme endogamy. The best-su

South Asian genetics Indian subcontinent ANI ASI Ancestral North Indian Ancestral South Indian
L_5_06 Verified Genetics & Origins

L_5_06 — Genetic Adaptation to Disease: Malaria, Plague, TB

Infectious disease has been the most powerful selective force on the human genome throughout history. Pathogens — particularly malaria, plague, tuberculosis, smallpox, and cholera — have killed more humans than all other

natural selection disease adaptation malaria sickle cell G6PD Duffy antigen
L_5_04 Verified Genetics & Origins

L_5_04 — Ancient Microbiome and Paleomicrobiology

Paleomicrobiology — the study of ancient microorganisms through the application of molecular techniques (ancient DNA extraction, metagenomics, proteomics) to archaeological and paleontological material — has revolutioniz

microbiome paleomicrobiology ancient DNA aDNA dental calculus coprolite
L_5_11 Verified Genetics & Origins

L_5_11 — Genetics of Altitude Adaptation: Tibet, Andes, Ethiopia

High-altitude adaptation represents one of the most dramatic and best-studied examples of natural selection in contemporary human populations. More than 140 million people worldwide live at elevations above 2,500 meters,

altitude adaptation hypoxia EPAS1 EGLN1 HIF pathway hemoglobin
Y_5_18 Credible Altered States

Y_5_18 — Sensory Deprivation & Float Tanks

Sensory deprivation — the systematic reduction or elimination of external sensory input — has been studied scientifically since the 1950s, with two primary paradigms: chamber REST (Restricted Environmental Stimulation Te

sensory deprivation flotation REST isolation tank John Lilly Epsom salt theta waves
Y_5_13 Verified Altered States

Y_5_13 — Starvation and Dehydration: Cognitive Effects of Deprivation States

Starvation and dehydration — states of severe and prolonged nutritional and fluid deprivation — produce a characteristic and well-documented progression of cognitive, perceptual, and emotional alterations that constitute

starvation dehydration Minnesota starvation experiment cognitive impairment hallucination survival psychology
Y_5_12 Speculative Altered States

Y_5_12 — Dark Retreat: Extended Light Deprivation and Endogenous Visionary States

The dark retreat (yangti nagpo or mun mtshams in Tibetan) is an advanced contemplative practice — primarily within the Dzogchen (Great Perfection) tradition of Tibetan Buddhism and the closely related Bön tradition — in

dark retreat yangti Tibetan Buddhism melatonin DMT hypothesis light deprivation
Y_5_06 Verified Altered States

Y_5_06 — Extreme Environments, Isolation, and Consciousness

Extreme environments and prolonged isolation produce distinctive altered states of consciousness — hallucinations, dissociation, time distortion, the sensation of an unseen companion, and profound shifts in self-identity

isolation extreme environments polar psychology space psychology solitary confinement solo sailing
Y_2_14 Credible Altered States

Y_2_14 — Dying Process Phenomenology: Shared Death Experiences and After-Death Communication

The phenomenology of death and the experiences reported by those who witness the dying process include several distinct categories of altered-state phenomena that extend beyond the well-known near-death experience (NDE).

shared death experience after-death communication deathbed visions grief hallucinations terminal lucidity Moody
Y_2_04 Altered States

Y_2_04 — Neuroscience of Death — Terminal Lucidity and Dying Brain

The neuroscience of death has emerged as a legitimate research frontier, revealing that dying is not a simple cessation but a complex neurobiological process with surprising features. Michael Nahm and Bruce Greyson's doc

terminal lucidity dying brain gamma wave surge cortical spreading depolarization near-death experience DMT hypothesis
Y_3_13 Credible Altered States

Y_3_13 — Visionary Art: Depicting Altered States from Hildegard to Grey

Visionary art — artistic creation inspired by, depicting, or emerging from altered states of consciousness — spans the entire history of human image-making, from Paleolithic cave paintings (whose geometric patterns David

visionary art Alex Grey Hildegard of Bingen psychedelic art Huichol entoptic phenomena
Y_3_15 Credible Altered States

Y_3_15 — Pilgrimage as Altered State: Walking, Devotion, and Transformation

Pilgrimage — the deliberate journey to a sacred place as an act of devotion, penance, healing, or spiritual seeking — is one of humanity's most ancient and universal practices for inducing transformative altered states t

pilgrimage Camino de Santiago Hajj Kumbh Mela walking meditation liminality
Y_3_10 Verified Altered States

Y_3_10 — Fasting, Asceticism, and Altered Consciousness

Fasting and ascetic practices — deliberate deprivation of food, sleep, comfort, or sensory input — have been used across virtually all religious and spiritual traditions to induce altered states of consciousness, visions

fasting asceticism altered consciousness vision quest starvation ketosis autophagy
Y_3_18 Credible Altered States

Y_3_18 — Sensory Deprivation and Float Tank Research

Sensory deprivation — the deliberate reduction of external sensory stimulation — and its modern therapeutic form, flotation-REST (Restricted Environmental Stimulation Technique), have been studied since the 1950s as a me

sensory-deprivation float-tank isolation-tank restricted-environmental-stimulation john-lilly flotation-rest
Y_1_04 Altered States

Y_1_04 — Psychedelic Renaissance — Clinical Research and Consciousness

The psychedelic renaissance — a resurgence of rigorous scientific research on psychedelic substances after decades of prohibition — has produced some of the most significant findings in 21st-century psychiatry and consci

psychedelic renaissance psilocybin MDMA therapy ketamine DMT ayahuasca