E_4_14 — Stratigraphic Methods and Geological Timekeeping

Stratigraphy — the study of rock layers (strata) and their sequential relationships — is the foundational framework for understanding geological time and establishing the chronology of Earth's 4.54-billion-year history.

E_4_25 — Bayesian Age Modeling: Statistical Frameworks for Archaeological Chronology

Bayesian age modeling — the application of Bayesian statistical inference to combine radiocarbon dates with prior archaeological knowledge (stratigraphy, typology, historical constraints) to produce refined chronological

M_5_05 — Archaeological Hoaxes and Forgeries — A Cautionary Catalog

The history of archaeology is punctuated by famous frauds, hoaxes, and forgeries — intentional deceptions that have misled researchers, distorted public understanding, and, in some cases, caused decades of wasted scholar

M_2_04 — Longyou Caves — China's Mysterious Hand-Carved Caverns

The Longyou Caves are a group of at least 24 large, hand-carved underground caverns discovered in 1992 near Longyou village, Quzhou prefecture, Zhejiang Province, southeastern China.

M_1_09 — Voynich Manuscript — Undeciphered Text Analysis

The Voynich Manuscript (Beinecke Rare Book and Manuscript Library, Yale University, catalog number MS 408) is a hand-written, lavishly illustrated codex of approximately 240 vellum pages (c. 234 surviving, some missing)

U_5_06 — Art Forgery and Authenticity

Art forgery — the creation of works intended to deceive buyers, dealers, or institutions into believing they are by another (usually more famous or valuable) artist — is as old as the art market itself and raises profoun

U_2_02 — Cave Art — Lascaux, Chauvet & World's Oldest Paintings

Cave art constitutes the oldest known evidence of symbolic visual expression by Homo sapiens (and possibly Neanderthals), with the earliest confirmed figurative painting — a Sulawesi warty pig — dated to at least 45,500

W_3_24 — Nok Culture

The Nok culture (c. 1500 BCE – 500 CE) of central Nigeria produced sub-Saharan Africa's earliest-known large-scale terracotta sculpture tradition and some of the continent's earliest evidence for iron smelting. First ide

ZH_1_21 — Dendera Zodiac

The Dendera Zodiac — a circular bas-relief approximately 2.5 meters in diameter carved on the ceiling of a chapel in the Temple of Hathor at Dendera, Egypt — is the most complete surviving depiction of the ancient sky fr

ZH_1_01 — Archaeoastronomy: Discipline, Debates, and Cultural Astronomy

Archaeoastronomy is the interdisciplinary study of how past cultures understood, used, and integrated celestial phenomena — the motions of the sun, moon, planets, and stars — into their architecture, ritual practices, ag

ZF_4_10 — Coral as Climate Archive — Paleoceanographic Proxies

Coral paleoclimatology uses the geochemical and physical properties of coral skeletons as high-resolution archives of past ocean conditions — providing some of the most detailed tropical climate records available for the

K_2_05 — Unconscious Processing

The cognitive unconscious — mental processes that influence behavior, emotion, and decision-making without reaching conscious awareness — is one of the most empirically robust phenomena in psychology and neuroscience. Fa

E_3_11 — Earthquake Archaeology and Seismic Catastrophes

Archaeoseismology — the study of past earthquakes using archaeological evidence — reveals that seismic catastrophes have repeatedly destroyed, reshaped, and sometimes permanently ended ancient urban centers and entire ci

E_2_03 — Santorini/Thera Eruption and Minoan Collapse

Around 1600 BCE (revised range: 1628–1600 BCE), the volcanic island of Thera (modern Santorini) in the southern Aegean Sea experienced one of the largest volcanic eruptions in recorded human history — a VEI-7 event that

E_2_19 — Volcanism and Human Evolution: Eruptions That Shaped Our Species

The relationship between volcanism and human evolution operates on multiple scales and through multiple mechanisms — from the geological forces that created the landscapes where hominins evolved, to the catastrophic erup

E_4_00 — Dating Chronological Science: Subfolder Summary

E_4_02 — Radiocarbon Calibration & Chronology Shifts

This document examines Radiocarbon Calibration & Chronology Shifts, a topic within the Cataclysms and Chronology research area. Key areas of investigation include The Physics , Key Parameters, What Can Be Dated. Notable

Q_3_16 — Cosmochemistry: Meteorite Analysis, Presolar Grains, and Solar Composition

Cosmochemistry is the study of the chemical composition of the universe and the processes that produced it, with a primary focus on the analysis of meteorites — extraterrestrial rocks that survive passage through Earth's

G_1_14 — Archaeometry — Physical Science Methods in Archaeology

Archaeometry — the application of physical and chemical science methods to archaeological materials — encompasses a broad range of analytical techniques used to determine the composition, provenance, manufacturing techno

O_3_20 — Microplastics, Nanoplastics, and the Ubiquitous Contamination Crisis

Microplastics — plastic particles smaller than 5 mm in diameter, with nanoplastics defined as smaller than 1 μm — have become the most pervasive anthropogenic contaminant on Earth. Since mass production of synthetic poly