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.
1,680 results for "po tolo" — page 52 of 84
O_4_07 — Natural Nuclear Reactors Oklo
The Oklo natural nuclear reactors are the only known locations where self-sustaining nuclear fission chain reactions occurred naturally — discovered in 1972 in the Oklo and Okélobondo uranium mines, Haut-Ogooué Province,
O_4_09 — Singing Sands, Booming Dunes, and Anomalous Desert Acoustics
Singing sands and booming dunes are natural acoustic phenomena in which sand produces audible sound — sometimes at extraordinary volume (up to 105 dB, comparable to a chainsaw at 1 m) — when disturbed by wind, avalanchin
O_4_08 — Fairy Circles and Patterned Ground
Earth's landscapes display numerous striking self-organized geometric patterns — regular arrangements of vegetation, soil, stones, or ice that emerge spontaneously from physical and biological processes without any exter
O_4_16 — Singing Sands and Booming Dunes: Acoustic Geomorphology
Certain sand dunes and beaches worldwide produce sustained, audible tones — a phenomenon documented since antiquity and reported by travelers from Marco Polo (1295 CE, describing "singing sands" in the Taklamakan Desert)
O_3_01 — Biodiversity, Ecosystem Intelligence, and the Superorganism
Earth harbors an estimated 8.7 million eukaryotic species (Mora et al. 2011), of which only ~1.5-1.8 million have been formally described — meaning roughly 80% of species remain unknown to science. When prokaryotes (bact
O_3_06 — Tidal Phenomena, Maelstroms & Coastal Anomalies
Earth's tides — generated primarily by the gravitational interactions between the Earth, Moon, and Sun — produce a range of extreme and visually spectacular phenomena where local bathymetry, coastal geometry, and resonan
O_3_07 — Coral Reefs as Ancient Climate Archives
Coral skeletons serve as high-resolution natural archives of past ocean and climate conditions, recording temperature, salinity, ocean chemistry, and volcanic events in their calcium carbonate growth bands — much like tr
O_5_01 — Permafrost, Cryosphere, and Frozen Time Capsules
Permafrost — permanently frozen ground covering approximately 25% of the Northern Hemisphere's land surface — is simultaneously a geological archive, a biological deep freeze, and a ticking carbon time bomb. Ice cores ex
O_5_07 — Anoxic Events and Ocean Dead Zones: Deoxygenation Through Time
Oceanic Anoxic Events (OAEs) were episodes in Earth's history when large portions of the world's oceans became severely depleted of dissolved oxygen (anoxic) or enriched in toxic hydrogen sulfide (euxinic), causing wides
O_5_17 — Deep Time: Geological Chronology and the Scale of Earth History
Deep time is the concept that Earth's geological history extends across approximately 4.54 billion years — a scale so vast that human civilization occupies less than 0.00001% of it. First articulated by James Hutton in 1
O_5_02 — Soil Biomes and Underground Ecosystems
Beneath every terrestrial landscape lies one of Earth's most complex and least understood ecosystems — the soil biome, a living matrix containing an estimated 25% of all species on Earth (Decaëns et al., 2006) and proces
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_03 — Group Psychology and Crowd Behavior
Group psychology examines how individuals' thoughts, feelings, and behaviors are influenced by the presence and actions of others — from small groups to mass crowds. Foundational research includes Gustave Le Bon's The Cr
T_4_01 — Psychology of Belief & Conspiracy Thinking
The psychology of conspiracy thinking examines why individuals adopt beliefs in secret plots by powerful actors to achieve malevolent goals — beliefs that often resist disconfirmation and form interconnected "monological
T_2_07 — Psychology of Addiction
Addiction — compulsive engagement with a substance or behavior despite harmful consequences — is now understood as a chronic brain disorder involving neuroplastic changes in reward, motivation, memory, and executive cont
T_2_06 — Health Psychology and Stress
Health psychology investigates how psychological, behavioral, and social factors influence health, illness, and healthcare — integrating biological and psychosocial perspectives within the biopsychosocial model (Engel, 1
T_2_02 — Neurodiversity — Cognitive Variation as Adaptive Spectrum
The neurodiversity paradigm, articulated by sociologist Judy Singer in 1998, frames neurological differences—including autism, ADHD, dyslexia, synesthesia, Tourette syndrome, and other developmental conditions—not as pat
T_2_21 — Collective Trauma Psychology
Collective trauma refers to the psychological impact of traumatic events experienced by entire communities, populations, or cultural groups — events such as genocide, slavery, colonialism, war, natural disasters, and pan
T_2_01 — Psychology of Grief, Loss, and Death Awareness
The psychology of grief, loss, and death awareness spans clinical bereavement research, existential psychology, and experimental social cognition. Elisabeth Kübler-Ross's five-stage model (1969), though culturally ubiqui
T_2_12 — Psychology of Trauma and PTSD
Psychological trauma — exposure to events involving actual or threatened death, serious injury, or sexual violence — can produce lasting alterations in cognition, emotion, arousal, and behavior. Post-Traumatic Stress Dis
BROWSE BY SECTION — 3,721 documents across 34 fields