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.
578 results for "PLA" — page 3 of 29
M_3_13 — Out-of-Place Artifacts Systematic Evaluation
Out-of-place artifacts (OOPArts) are objects found in archaeological contexts that appear anomalous — either too technologically advanced, too old, or too far from their expected geographic origin. This document systemat
M_2_14 — Tiwanaku and the Altiplano — High-Altitude Anomalous Engineering
Tiwanaku (also spelled Tiahuanaco) — located at 3,850 meters elevation on the Bolivian Altiplano, approximately 20 km southeast of Lake Titicaca — was the capital of one of the most significant pre-Columbian civilization
M_1_01 — OOPArts Catalog (Out-of-Place Artifacts)
"Out-of-Place Artifacts" (OOPArts) are objects that appear anomalous for their age or context. This document catalogs 17 major OOPArts, individually rated. The critical finding: 4 are GENUINE (Tier 1) — real artifacts wi
M_1_15 — Out-of-Place Artifacts: Systematic Evaluation of Anomalous Objects
"Out-of-Place Artifacts" (OOParts) — objects allegedly found in geological or archaeological contexts that seem anachronistic for their supposed age or location — have long served as cornerstones of alternative archaeolo
M_1_12 — Ancient Electrical Phenomena: Baghdad Battery and Electroplating
The "Baghdad Battery" (also called the Parthian Battery) refers to a set of artifacts discovered in 1936 at Khujut Rabu (near Baghdad, Iraq) by German archaeologist Wilhelm König, then Director of the Baghdad Museum. The
X_2_01 — Psychosomatic Medicine and Placebo Science
The placebo effect — measurable physiological change resulting from the belief or expectation of treatment rather than the treatment's pharmacological action — is among the most replicated and least understood phenomena
X_2_11 — Ethnobotanical Pharmacology: Plant-Based Medicines Across Cultures
Ethnobotanical pharmacology (or ethnopharmacology) investigates the medicinal use of plants across human cultures — encompassing the traditional knowledge systems that identified, prepared, and administered plant-based m
X_1_05 — Herbalism and Ethnobotany: Cross-Cultural Plant Medicine
Plants have been humanity's primary pharmacy for the entirety of our species' history — from Neanderthal hearths containing medicinal chamomile and yarrow (El Sidrón, ~50,000 BP) to the modern pharmaceutical industry, wh
W_4_12 — Tiwanaku: Altiplano Civilization and Raised-Field Agriculture
Tiwanaku (also spelled Tiahuanaco) was a major pre-Columbian civilization centered at the site of the same name on the Bolivian Altiplano (high plateau), approximately 3,850 meters above sea level and 20 km southeast of
W_4_07 — Amazonian Traditions, Plant Teachers, and the Ayahuasca Complex
The Amazon Basin — the world's largest tropical rainforest — is home to approximately 400 indigenous groups with an extraordinary tradition of plant-based knowledge unmatched anywhere on Earth. At the center of this trad
ZH_4_07 — African Astronomical Knowledge: Mursi, Borana, Nabta Playa
Africa — the continent of humanity's origin — has produced some of the world's oldest, most diverse, and most under-documented astronomical traditions. From the possible megalithic calendar circle at Nabta Playa in the e
ZH_5_12 — Citizen Astronomy: Variable Star Observers to Exoplanet Hunters
Astronomy is one of the very few sciences where non-professional observers — amateurs, hobbyists, and citizen scientists — continue to make significant, publishable contributions to research alongside professionals. This
ZH_2_12 — Agricultural Astronomy: Star-Based Planting and Harvest Calendars
Before modern calendars, weather services, and agricultural extension offices, farming communities worldwide used stellar observations to time their agricultural activities — planting, irrigation, harvesting, and animal
ZF_2_07 — Marine Microbiology and Plankton
Marine microorganisms — bacteria, archaea, protists, viruses, and microscopic algae — constitute the invisible foundation of ocean life, driving global biogeochemical cycles, producing roughly half of the world's oxygen,
ZF_5_11 — Abyssal Plains: Earth's Flattest Terrain and Deep Sedimentation
Abyssal plains — vast, flat expanses of sea floor at depths of 3,000–6,000 meters — are the largest habitat on Earth, covering approximately 54% of the planet's surface (more than all continents combined), yet they remai
ZF_4_02 — Ocean Pollution and Plastic Debris
Ocean pollution encompasses the introduction of harmful substances and materials into the marine environment, degrading water quality, damaging ecosystems, and threatening human health. The major categories are: plastic
ZF_1_03 — Seafloor Spreading, Plate Tectonics and Marine Geology
The discovery that the ocean floor is not ancient and static but young, dynamic, and continuously recycled revolutionized Earth science in the 20th century. Seafloor spreading — proposed by Harry Hess (1962) and confirme
Z_3_03 — Ancient Pathogen Genomics — Plague, TB, Smallpox DNA
Ancient pathogen genomics — the recovery and sequencing of disease-causing organism DNA from archaeological remains — has revolutionized understanding of human disease history. Beginning with the landmark reconstruction
K_4_19 — Plant Bioelectricity and Distributed Cognition
Plants generate, propagate, and respond to electrical signals via mechanisms that are biophysically homologous to neuronal action potentials, despite lacking a brain or central nervous system. Action potentials in Mimosa
K_4_20 — Non-Neural Learning: Slime Molds, Plants, Bacterial Adaptation
Learning — modifying behavior based on experience — was long thought to require a nervous system. The last twenty years of basal-cognition research have empirically falsified this assumption. Single-celled slime molds (P
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