RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

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.

205 results for "rare earth elements" — page 5 of 11

ZB_5_19 Verified Ecology & Biology

ZB_5_19 — The Anthropocene: Human Dominance of Earth Systems and Epoch Dating

The Anthropocene — a proposed geological epoch defined by the dominant influence of human activity on Earth's geology, climate, and ecosystems — has become one of the most consequential and contentious concepts in modern

Anthropocene human impact epoch dating stratigraphic marker Great Acceleration nuclear fallout
G_1_03 Verified Modern Frameworks

G_1_03 — Remote Sensing Satellite Archaeology and Geophysics

Remote sensing and geophysical survey — the use of satellite imagery, airborne sensors, and ground-based electromagnetic instruments to detect buried or hidden archaeological features without excavation — has become one

remote sensing satellite archaeology geophysics ground-penetrating radar GPR magnetometry
G_3_15 Credible Modern Frameworks

G_3_15 — Piezoelectric Effects: Crystals, Geology, and Ancient Technology

Piezoelectricity (from Greek piezein, "to squeeze") is the physical phenomenon whereby certain crystalline materials generate an electric charge when subjected to mechanical stress, and conversely, deform mechanically wh

piezoelectric crystal quartz granite charge stress
O_1_20 Verified Earth Anomalies

O_1_20 — Schumann Resonance

The Schumann resonances are a set of spectral peaks in the extremely low frequency (ELF) portion of the Earth's electromagnetic field spectrum, generated by lightning discharges exciting the resonant cavity formed betwee

Schumann resonance Earth-ionosphere cavity 7.83 Hz extremely low frequency ELF electromagnetic resonance
O_1_07 Verified Earth Anomalies

O_1_07 — Gravity Anomalies, Mascons & Earth's Uneven Field

Earth's gravitational field is not uniform — it varies by approximately ±0.05% from the global average, creating a lumpy "geoid" where the local strength of gravity depends on the density and distribution of mass beneath

gravity anomaly GRACE GOCE mascon geoid Hudson Bay
O_1_02 Verified Earth Anomalies

O_1_02 — Magnetosphere, Solar Activity, and Earth's Shield

Earth's magnetic field is an invisible shield that makes complex life on the surface possible — without it, solar wind would strip away the atmosphere and sterilize the planet, as happened to Mars ~3.8 billion years ago

magnetosphere geomagnetic magnetic field solar wind coronal mass ejection CME
O_1_10 Verified Earth Anomalies

O_1_10 — Carrington Event and Space Weather Threats to Earth

The Carrington Event of September 1–2, 1859 was the most intense geomagnetic storm in recorded history — caused by a massive coronal mass ejection (CME) from the Sun that struck Earth's magnetosphere approximately 17.6 h

Carrington Event solar storm space weather coronal mass ejection CME geomagnetic storm
O_0_00 Earth Anomalies

O_0_00 — Earth Science & Anomalies: Section Summary

O_5_18 Verified Earth Anomalies

O_5_18 — Subterranean Worlds: Caves, Catacombs, and Underground Heritage

Humanity has a deep and ancient relationship with the underground — from Paleolithic cave sanctuaries decorated 40,000+ years ago, to engineered underground cities capable of sheltering tens of thousands (Derinkuyu, Capp

underground caves catacombs subterranean derinkuyu cappadocia
O_5_08 Verified Earth Anomalies

O_5_08 — Geothermal Systems: Geysers, Hot Springs, and Deep Earth Heat

Geothermal systems are natural expressions of Earth's internal heat — the thermal energy generated by radioactive decay (primarily uranium-238, thorium-232, and potassium-40 in the crust and mantle) and primordial heat (

geothermal geyser hot spring Old Faithful Yellowstone Iceland
O_5_15 Verified Earth Anomalies

O_5_15 — Climate Stability Mechanisms: Feedbacks, Tipping Points, and Earth System Resilience

Earth's climate has maintained conditions hospitable to life for approximately 4 billion years despite dramatic variations in solar luminosity (the Sun was ~30% fainter in the Archean than today — the Faint Young Sun par

climate stability tipping points feedback mechanisms ice-albedo feedback thermohaline circulation carbon cycle
O_5_13 Verified Earth Anomalies

O_5_13 — Paleosols and Ancient Soils: Climate Records in Earth

Paleosols — ancient soils preserved in the geological record — are among the most valuable but often overlooked records of past environmental conditions. When soils are buried by subsequent sedimentation (flooding, volca

paleosol ancient soil pedogenesis climate proxy carbon isotope carbonates
D_2_01 Verified Sites & Artifacts

D_2_01 — Maltese Temple Builders and the Ħal Saflieni Hypogeum

The Maltese Temple Period (~3600–2500 BCE) produced the oldest free-standing structures on Earth — predating the Egyptian pyramids by ~1,000 years and Stonehenge by ~1,500 years. The tiny Maltese islands (316 km² total —

Malta Ħal Saflieni Hypogeum Ġgantija Mnajdra Ħaġar Qim Tarxien
D_3_04 Verified Sites & Artifacts

D_3_04 — Great Wall of China — Engineering, Mythology, and Function

The Great Wall of China is not a single wall but a vast network of fortifications built, rebuilt, and extended over 2,500+ years by multiple dynasties, stretching a combined total of approximately 21,196 km according to

Great Wall of China Wanli Changcheng tamped earth hangtu brick signal towers
D_4_05 Verified Sites & Artifacts

D_4_05 — LiDAR Archaeology: Revolutionary Remote Sensing Discoveries

LiDAR (Light Detection and Ranging) has transformed archaeology by enabling researchers to see through dense vegetation and map landscapes at centimeter-level resolution, revealing previously unknown structures, roads, c

LiDAR remote sensing aerial archaeology GIS Maya cities Angkor Wat
D_4_01 Verified Sites & Artifacts

D_4_01 — Underground Cities and Myths

Over 200 underground cities have been discovered in Cappadocia alone, with Derinkuyu extending 18 stories deep and capable of sheltering 20,000 people. Major recent discoveries include the Midyat underground city (2020),

Derinkuyu Cappadocia Kaymakli underground subterranean tunnels
B_2_03 Credible Beings & Entities

B_2_03 — Underground Creatures and Myths

Virtually every ancient civilization across the globe has myths and legends about beings living underground. These stories span continents, cultures, and millennia — often with striking similarities despite no known cont

underground subterranean Nagas Patala Agartha Hopi
L_3_17 Verified Genetics & Origins

L_3_17 — Endogenous Retroviruses (HERVs) in the Human Genome

Human endogenous retroviruses (HERVs) — remnants of ancient retroviral infections that integrated into the germline DNA of human ancestors and have been vertically transmitted through the host genome for millions of year

endogenous retroviruses HERVs HERV-K HERV-W syncytin retroviral integration
L_5_02 Verified Genetics & Origins

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

founder effect genetic disease Tay-Sachs sickle cell cystic fibrosis Ashkenazi
Y_1_03 Credible Altered States

Y_1_03 — Classical Antiquity Entheogens Synthesis

This document examines Classical Antiquity Entheogens Synthesis, a topic within the Consciousness research area. Key areas of investigation include Were Ancient Mediterranean Religions Entheogenic?, Why This Matters, The

entheogens psychedelics mystery religions Eleusinian Mysteries kykeon ergot