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.
1,984 results for "Tic Tac" — page 14 of 100
L_3_05 — Blood Type Genetics and the ABO System
Blood group genetics represents one of the earliest and most clinically important applications of Mendelian inheritance in human biology. Karl Landsteiner's discovery of the ABO blood group system (1900–1901) — which ear
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
L_3_08 — Genetics of Skin, Hair, and Eye Color
Human pigmentation — skin, hair, and eye color — is one of the best-understood complex traits in human genetics, with a relatively modest number of genes explaining a large proportion of variation compared to most polyge
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
L_5_15 — Genetic Genealogy: DNA Ancestry Testing and Population History
Genetic genealogy — the use of DNA testing to determine relationships and ancestry — has revolutionized both personal genealogy and population genetics since the early 2000s. Three types of DNA analysis provide different
L_5_05 — Epigenetic Clocks: Measuring Biological Age
Epigenetic clocks are mathematical models that estimate biological age — the physiological age of an organism's cells and tissues — based on DNA methylation patterns at specific CpG sites (regions where a cytosine nucleo
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
L_5_02 — Genetic Diseases and Founder Effect Populations
When a small group founds a new population and subsequently expands in relative isolation, genetic drift can amplify alleles that were rare in the ancestral population — including deleterious recessive disease alleles. T
L_5_07 — Genetics of Speech and Language: Beyond FOXP2
Language is humanity's most distinctive cognitive ability — and identifying its genetic basis has been a central goal of human genetics and neuroscience since the discovery of the KE family and the FOXP2 gene. The KE fam
Y_4_04 — Entoptic Phenomena and Phosphene Patterns
This document examines Entoptic Phenomena and Phosphene Patterns, a topic within the Consciousness research area. Key areas of investigation include Defining Entoptic Phenomena, Phosphenes: Light from Within, Heinrich Kl
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
Y_2_06 — Dissociation, Depersonalization, and Derealization
Dissociation — the disruption of normally integrated functions of consciousness, memory, identity, emotion, perception, behavior, and sense of self — represents one of the most revealing natural experiments for understan
Y_2_13 — Ecstatic Seizures: Dostoevsky, Elation, and Temporal Lobe Pre-Ictal States
Ecstatic seizures — epileptic seizures preceded or accompanied by intense feelings of bliss, transcendence, clarity, and profound meaning rather than the typical dread, confusion, or dysphoria — represent one of the most
Y_2_10 — Drowning and Near-Drowning: Aquatic Altered Consciousness
Drowning — defined by the WHO (2002, revised 2005) as "the process of experiencing respiratory impairment from submersion/immersion in liquid" — is one of the leading causes of accidental death worldwide (~236,000 deaths
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
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
Y_3_20 — Enlightenment Neuroscience: Satori, Samadhi & Mystical States
Enlightenment — known as satori or kensho in Zen Buddhism, samadhi in Hindu yogic traditions, fana in Sufism, theosis in Eastern Orthodox Christianity, and unio mystica in the Western mystical tradition — refers to state
Y_1_13 — Xenon Gas and Nitrous Oxide: Anesthetic Gases as Consciousness Probes
Nitrous oxide (N₂O — "laughing gas") and xenon (Xe — a noble gas) are two anesthetic gases that have served as remarkable probes of consciousness — revealing how the manipulation of a single molecule or atom can dissolve
Y_1_16 — Psychedelic Legal Frameworks: Regulation, Decriminalization, and Therapeutic Access
The legal status of psychedelic substances — including psilocybin, LSD, MDMA, DMT/ayahuasca, mescaline, and ibogaine — has undergone dramatic shifts since the mid-20th century, moving from unregulated research compounds
H_1_17 — COINTELPRO — FBI Domestic Surveillance
COINTELPRO (an acronym for COunter INTELligence PROgram) was a series of covert and illegal projects conducted by the United States Federal Bureau of Investigation (FBI) from 1956 to 1971, aimed at surveilling, infiltrat
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