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.
3,050 results for "hi no tama" — page 93 of 153
O_2_06 — Richat Structure — Saharan Eye and Atlantis Claims
The Richat Structure (also called the Eye of the Sahara or Guelb er Richat) is a prominent circular geological formation approximately 40–50 km in diameter located on the Adrar Plateau in west-central Mauritania (21°07′N
O_2_15 — Moeraki Boulders & Septarian Concretions
The Moeraki Boulders (Te Kaihinaki in Māori) are a group of approximately 50 large, near-spherical septarian concretions exposed on Koekohe Beach, near Moeraki on the Otago coast of New Zealand's South Island. Ranging fr
O_2_14 — Slow Earthquakes and Episodic Tremor: Silent Seismic Events
Slow earthquakes — a class of seismic events in which fault slip occurs over days to months rather than the seconds to minutes characteristic of conventional earthquakes — represent one of the most significant discoverie
O_2_08 — Weathering, Erosion, and Deep Time Landscape Evolution
Weathering (the in-situ breakdown of rock and minerals) and erosion (the transport of weathered material by water, wind, ice, and gravity) are the fundamental surface processes that, operating over deep time (millions to
O_4_13 — Rainbow Mountains: Zhangye Danxia and Chromatic Geology
The world's "Rainbow Mountains" — strikingly multicolored geological formations displaying vivid bands of red, orange, yellow, green, blue-gray, and white rock — represent some of Earth's most visually spectacular natura
O_4_02 — Bermuda Triangle & Devil's Sea — Evidence & Explanations
The Bermuda Triangle — a roughly defined area between Miami, Bermuda, and Puerto Rico — became one of the 20th century's most enduring mysteries after a series of popularizations in the 1960s–1970s attributed an unusual
O_4_05 — Desertification, Green Sahara & Landscape Transformation
Between approximately 11,000 and 5,000 years BP, the Sahara — today the world's largest hot desert — was a green, well-watered landscape of lakes, rivers, and grasslands supporting hippopotami, crocodiles, fish, and larg
O_4_11 — Sailing Stones of Racetrack Playa: Self-Moving Rock Mystery Solved
The "sailing stones" of Racetrack Playa — a flat, dry lake bed in Death Valley National Park, California — are rocks, some weighing hundreds of kilograms, that have been observed to leave long trails (tracks) scored into
O_4_14 — Naica Crystal Cave: Giant Selenite and Extreme Mineralogy
The Naica Mine Crystal Caves — located within the Naica Mine (a lead, zinc, and silver mine) in Chihuahua, Mexico, approximately 100 km south of Chihuahua City — contain the largest natural crystals ever found on Earth:
O_3_04 — Bioluminescence — Deep Sea Light, Firefly Synchrony, and Cultural Significance
Bioluminescence — the production of light by living organisms — is among the most widespread and independently evolved traits in biology, having arisen at least 40 separate times across the tree of life. In the deep ocea
O_3_15 — Blue Holes: Submerged Sinkholes & Marine Geology
Blue holes are submerged sinkholes or vertical cave systems formed in carbonate rock (limestone, dolomite) during periods of lower sea level and subsequently flooded by rising oceans. Named for the deep blue color that c
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_10 — Sargasso Sea and Ocean Gyres
Ocean gyres are large-scale, semi-permanent circular current systems driven by the interaction of wind stress, the Coriolis effect, and continental boundaries — there are five major subtropical gyres (North Atlantic, Sou
O_3_08 — Subterranean Rivers and Underground Water Systems
Subterranean rivers and underground water systems represent one of Earth's most extensive yet least visible hydrological features — approximately 30% of the world's freshwater (excluding ice caps) exists as groundwater,
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_03 — Wildfires, Fire Ecology, and Pyrogeography
Fire is one of Earth's most powerful and pervasive ecological forces — not an aberration but a fundamental natural process that has shaped terrestrial ecosystems for at least 420 million years (the earliest charcoal evid
O_5_10 — Petrified Forests: Mineralization and Deep-Time Preservation
Petrified forests — accumulations of fossilized wood in which the original organic material has been replaced or infilled by minerals (most commonly silica in the form of quartz, chalcedony, opal, or agate) — provide ext
O_5_04 — Soil Science — Underground Biogeochemistry and Human Health
Soil — a thin veneer of biologically active, chemically complex material covering most of Earth's land surface — is arguably the most under-appreciated and misunderstood component of the Earth system. Far from inert "dir
O_5_09 — Karst Topography: Towers, Sinkholes, and Dissolved Landscapes
Karst topography is a distinctive landscape formed by the chemical dissolution of soluble bedrock — primarily limestone (CaCO₃), but also dolomite, gypsum, and evaporites — by naturally acidic water (CO₂-enriched rainwat
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
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