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.
2,604 results for "79 CE eruption" — page 13 of 131
O_5_05 — Ice Ages and Milankovitch Cycles: Orbital Forcing of Climate
Ice ages — periods when massive continental ice sheets expand to cover large portions of Earth's surface — are among the most dramatic climate events in the planet's history. The Quaternary glaciation (beginning ~2.6 mil
T_4_07 — Social Identity Theory and Prejudice
Social Identity Theory (SIT) explains how individuals derive self-concept from group memberships and how this drives intergroup behavior — including prejudice, discrimination, and conflict. Developed by Henri Tajfel and
T_4_10 — Conformity and Obedience: Asch, Milgram, and the Social Psychology of Compliance
The study of conformity (adjusting one's behavior or beliefs to match a group) and obedience (following directives from an authority figure) produced some of the most famous — and disturbing — experiments in the history
T_2_22 — Psychopathy Neuroscience
Psychopathy is a personality disorder characterized by persistent antisocial behavior, impaired empathy and remorse, bold and disinhibited traits, and often superficial charm — affecting an estimated 1% of the general po
T_2_13 — Placebo and Nocebo Effects
The placebo effect — a measurable physiological or psychological improvement in response to an inert treatment — is one of the most robust and well-documented phenomena in medicine and psychology, while the nocebo effect
T_3_13 — Flow States: Optimal Experience, Peak Performance, and the Psychology of Engagement
Flow — the state of complete absorption in an activity where action and awareness merge, self-consciousness fades, time perception distorts, and performance feels effortless yet optimal — was first systematically describ
T_3_09 — Psychology of Perception and Illusions
Perception — the process by which the brain interprets sensory information to construct a model of the external world — is not a passive recording but an active, constructive process shaped by expectations, context, and
T_5_20 — Synesthesia & Cross-Modal Perception
Synesthesia is a neurological phenomenon in which stimulation of one sensory or cognitive pathway automatically triggers an involuntary experience in a second pathway — for example, seeing specific colors when reading le
T_5_07 — Psychology of Sacred Space and Place
Sacred space — physical locations experienced as qualitatively distinct from ordinary space, charged with spiritual significance, numinous power, or transcendent meaning — is a universal feature of human culture. From Pa
T_5_11 — Self-Deception: Motivated Ignorance, Cognitive Dissonance, and the Limits of Self-Knowledge
Self-deception — the process by which individuals maintain beliefs, self-images, or narratives that are contradicted by available evidence, often without conscious awareness of doing so — sits at the intersection of phil
T_5_15 — Sport Psychology: Flow States, Peak Performance, and Mental Training
Sport psychology — the scientific study of psychological factors influencing athletic performance, exercise behavior, and physical activity — spans applied mental skills training (visualization, self-talk, goal setting,
T_5_14 — Peak Experiences and Ecstasy: Maslow, Mystical States, and Transformative Moments
Peak experiences — moments of ecstatic joy, profound meaning, ego-dissolution, and felt unity with the world — were identified by Abraham Maslow (1964) as among the most important experiences in human life: rare, spontan
T_5_23 — Psychogeography: Environment, Perception, and the Politics of Space
Psychogeography — the study of how geographic environments affect emotions, behavior, and perception — originated as a radical political and artistic practice within the Situationist International of the 1950s–60s, led b
D_2_20 — Central Asian Archaeological Sites: Merv, Afrasiab, and Ai-Khanoum
Central Asia — the vast region spanning modern Turkmenistan, Uzbekistan, Tajikistan, and northern Afghanistan — was one of the most intensely urbanized and culturally productive regions of the ancient world, despite its
D_2_08 — Mycenae: Lion Gate, Shaft Graves, and Bronze Age Greek Power
Mycenae, located in the northeastern Peloponnese, was the dominant political and cultural center of Late Bronze Age Greece (~1600–1100 BCE) and gave its name to the entire Mycenaean civilization. Heinrich Schliemann's 18
D_2_21 — Black Sea Deluge: Archaeological Evidence for Rapid Flooding
The Black Sea Deluge Hypothesis proposes that the Black Sea — now a large saline body connected to the Mediterranean via the Bosporus Strait — was once a significantly smaller, lower freshwater lake during the Last Glaci
D_2_02 — Pompeii and Herculaneum — Frozen in Volcanic Time
The Roman cities of Pompeii (~11,000 population) and Herculaneum (~5,000 population) were destroyed and simultaneously preserved by the catastrophic eruption of Mount Vesuvius in AD 79. The eruption (now dated to October
D_2_06 — Ur: Woolley's Excavations, the Royal Cemetery, and the Standard of Ur
Ur (modern Tell al-Muqayyar, southern Iraq) is one of the most important archaeological sites in Mesopotamia. Leonard Woolley's excavations (1922–1934), conducted jointly by the British Museum and the University of Penns
D_5_19 — Optical Illusions, Entasis, and Perceptual Engineering in Ancient Architecture
Ancient architects across multiple civilizations independently discovered and exploited principles of human visual perception — engineering deliberate optical corrections and illusions into their most important structure
D_4_09 — Cenotes: Maya Sacred Wells, Karst Hydrology, and Underworld Cosmology
Cenotes (from Yucatec Maya dz'onot or ts'onot) are natural sinkholes formed by the dissolution and collapse of limestone bedrock in the Yucatan Peninsula, exposing the vast underground freshwater aquifer beneath. Over 6,
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