{"https://codexery.com/crystallography/e/crystallography/crystal-structure/": {"t": "Crystal structure", "s": "Ordered arrangement of particles in crystalline materials.", "i": "https://codexery.com/crystallography/img/crystallography/crystal-structure.webp", "c": "Biochemlife · CC BY-SA 4.0"}, "https://codexery.com/electromagnetism-and-waves/e/electromagnetism-and-waves/refractive-index/": {"t": "Refractive index", "s": "Ratio of light speed in vacuum to that in a medium."}, "https://codexery.com/geology-earth-science/e/geology-and-earth-science/igneous-rock/": {"t": "Igneous rock", "s": "One of the three main rock types, formed from cooling magma or lava."}, "https://codexery.com/chemistry/e/chemistry/hydrocarbon/": {"t": "Hydrocarbon", "s": "Organic compounds of hydrogen and carbon, key to global energy."}, "https://codexery.com/rivers-and-lakes/e/rivers-and-lakes/krishna-river/": {"t": "Krishna River", "s": "India's third-longest river, flowing 1400 km across the Deccan Plateau to the Bay of Bengal.", "i": "https://codexery.com/rivers-and-lakes/img/rivers-and-lakes/krishna-river.webp", "c": "via Wikipedia: Krishna River · see source"}, "https://codexery.com/rivers-and-lakes/e/rivers-and-lakes/godavari-river/": {"t": "Godavari River", "s": "India's second longest river, the Godavari flows 1465 km from Maharashtra to the Bay of Bengal.", "i": "https://codexery.com/rivers-and-lakes/img/rivers-and-lakes/godavari-river.webp", "c": "via Wikipedia: Godavari River Basin Irrigation Projects · see source"}, "https://codexery.com/historical-figures/e/notable/antoine-lavoisier/": {"t": "Antoine Lavoisier", "s": "French nobleman and chemist who revolutionized chemistry by introducing quantitative methods and discovering oxygen's role in combustion."}, "https://codexery.com/electromagnetism-and-radiation/e/electromagnetism-and-radiation/ultraviolet/": {"t": "Ultraviolet", "s": "Electromagnetic radiation beyond violet, with both harmful and beneficial effects."}, "https://codexery.com/chemical-elements-metals/e/chemical-elements-and-metals/silicon/": {"t": "Silicon", "s": "The semiconductor element that shapes the modern world."}, "https://codexery.com/chemistry/e/chemistry/germanium/": {"t": "Germanium", "s": "A lustrous, hard-brittle metalloid in the carbon group, used in semiconductors and fiber optics.", "i": "https://codexery.com/chemistry/img/chemistry/germanium.webp", "c": "Mister rf · CC BY-SA 4.0"}, "https://codexery.com/crystallography/e/crystallography/cubic-crystal-system/": {"t": "Cubic crystal system", "s": "A crystal system with a cubic unit cell, common in minerals and metals."}, "https://codexery.com/planets-and-dwarf-planets/e/planets-and-dwarf-planets/neptune/": {"t": "Neptune", "s": "The only planet discovered through mathematical prediction, not direct observation."}, "https://codexery.com/planets-and-dwarf-planets/e/planets-and-dwarf-planets/uranus/": {"t": "Uranus", "s": "The seventh planet, a tilted ice giant with extreme seasons."}, "/e/gemstones/diamond/": {"t": "Diamond", "s": "A metastable carbon allotrope with extreme hardness and thermal conductivity.", "i": "https://codexery.com/gemstones/img/gemstones/diamond.webp", "c": "Blackout Sea · Public domain"}, "/e/gemstones/garnet/": {"t": "Garnet", "s": "Silicate minerals used as gemstones and abrasives since the Bronze Age.", "i": "https://codexery.com/gemstones/img/gemstones/garnet.webp", "c": "James St. John · CC BY 2.0"}, "https://codexery.com/geology/e/geology/gemstone/": {"t": "Gemstone", "s": "Mineral crystals and organic materials used for jewelry and adornment."}, "/e/gemstones/sapphire/": {"t": "Sapphire", "s": "A precious gemstone variety of corundum, third-hardest mineral after diamond and moissanite.", "i": "https://codexery.com/gemstones/img/gemstones/sapphire.webp", "c": "Chip Clark, Smithsonian staff · via Wikipedia: Sapphire · Public domain"}, "/e/gemstones/amethyst/": {"t": "Amethyst", "s": "A violet quartz gemstone long believed to prevent drunkenness.", "i": "https://codexery.com/gemstones/img/gemstones/amethyst.webp", "c": "Lodewicus de Honsvels · CC0"}, "/e/gemstones/emerald/": {"t": "Emerald", "s": "A green variety of beryl, prized since antiquity for its vivid hue and often included nature."}, "https://codexery.com/minerals-crystals/e/minerals-and-crystals/spinel/": {"t": "Spinel", "s": "A gemstone mineral often mistaken for ruby."}, "https://codexery.com/minerals-ore-deposits/e/minerals-and-ore-deposits/rutile/": {"t": "Rutile", "s": "Common titanium dioxide mineral with high refractive index and optical uses."}, "https://codexery.com/optics-and-color/e/optics-and-color/fluorescence/": {"t": "Fluorescence", "s": "Emission of light from a substance after absorbing radiation."}, "https://codexery.com/minerals-crystals/e/minerals-and-crystals/calcite/": {"t": "Calcite", "s": "A common carbonate mineral and stable polymorph of calcium carbonate."}, "https://codexery.com/minerals-and-gems/e/minerals-and-gems/painite/": {"t": "Painite", "s": "Rare borate mineral named after its discoverer, Arthur C.D. Pain."}, "https://codexery.com/u-s-states/e/u-s-states/montana/": {"t": "Montana", "s": "Big Sky Country"}, "/e/gemstones/ruby/": {"t": "Ruby", "s": "A pinkish-red to blood-red gemstone, a variety of corundum, prized for its durability and rich color.", "i": "https://codexery.com/gemstones/img/gemstones/ruby.webp", "c": "TheMaharlikan · CC0"}, "/e/gemstones/lapis-lazuli/": {"t": "Lapis lazuli", "s": "A deep-blue metamorphic rock prized since antiquity for its intense color and use in ultramarine pigment."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/lead/": {"t": "Lead", "s": "Heavy metal with stable isotopes and historical industrial use."}, "https://codexery.com/chemical-elements/e/chemical-elements/vanadium/": {"t": "Vanadium", "s": "The colorful transition metal named after a Norse goddess."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/magnesium/": {"t": "Magnesium", "s": "Lightweight metal essential to life and industry."}, "https://codexery.com/minerals-crystals/e/minerals-and-crystals/biotite/": {"t": "Biotite", "s": "A common dark mica group, formerly a mineral species."}, "https://codexery.com/minerals-and-gems/e/minerals-and-gems/muscovite/": {"t": "Muscovite", "s": "Common mica with perfect cleavage, used historically as window glass."}, "/e/gemstones/tourmaline/": {"t": "Tourmaline", "s": "A crystalline silicate mineral group with a wide variety of colors, known historically as the 'Ceylonese Magnet'.", "i": "https://codexery.com/gemstones/img/gemstones/tourmaline.webp", "c": "James St. John · CC BY 2.0"}, "/e/gemstones/quartz/": {"t": "Quartz", "s": "A hard, abundant mineral used in jewelry and technology."}, "https://codexery.com/minerals-crystals/e/minerals-and-crystals/albite/": {"t": "Albite", "s": "Sodium endmember of the plagioclase feldspar series."}, "https://codexery.com/minerals-and-gems/e/minerals-and-gems/microcline/": {"t": "Microcline", "s": "A potassium-rich feldspar with distinctive twinning and atmospheric ice-nucleating properties."}, "https://codexery.com/rocks-and-minerals/e/rocks-and-minerals/fluorite/": {"t": "Fluorite", "s": "Mineral that gave its name to fluorescence and fluorine."}, "https://codexery.com/languages-and-scripts/e/languages-and-scripts/vulgar-latin/": {"t": "Vulgar Latin", "s": "Non-formal Latin registers that evolved into Romance languages."}, "https://codexery.com/languages/e/languages/latin/": {"t": "Latin", "s": "A classical language of the Italic branch, Latin evolved into the Romance languages and remained a key scholarly tongue into the early 19th century."}, "https://codexery.com/u-s-states/e/u-s-states/nevada/": {"t": "Nevada", "s": "Landlocked Western state known for silver, gambling, and libertarian laws."}, "https://codexery.com/geology-earth-science/e/geology-and-earth-science/mineral/": {"t": "Mineral", "s": "Naturally occurring solid with defined composition and crystal structure."}, "https://codexery.com/minerals-and-gems/e/minerals-and-gems/limonite/": {"t": "Limonite", "s": "Limonite is an iron ore made up of a mix of hydrated iron(III) oxide-hydroxides, with a composition that can vary widely."}, "https://codexery.com/geology-earth-surface/e/geology-and-earth-surface/sandstone/": {"t": "Sandstone", "s": "Clastic sedimentary rock composed mainly of sand-sized silicate grains.", "i": "https://codexery.com/geology-earth-surface/img/geology-and-earth-surface/sandstone.webp", "c": "Douglas W. Jones · CC0"}, "https://codexery.com/geology-and-landforms/e/geology-and-landforms/basalt/": {"t": "Basalt", "s": "Fine-grained volcanic rock covering most of Earth's surface.", "i": "https://codexery.com/geology-and-landforms/img/geology-and-landforms/basalt.webp", "c": "Tony Hisgett from Birmingham, UK · CC BY 2.0"}, "https://codexery.com/languages-and-writing-systems/e/languages-and-writing-systems/sanskrit/": {"t": "Sanskrit", "s": "The classical language of South Asian religion, philosophy, and culture."}, "https://codexery.com/optics-and-photonics/e/optics-and-photonics/iridescence/": {"t": "Iridescence", "s": "Color that shifts with angle, caused by light interference.", "i": "https://codexery.com/optics-and-photonics/img/optics-and-photonics/iridescence.webp", "c": "Furnaminaly · CC BY-SA 4.0"}, "https://codexery.com/optics-and-photonics/e/optics-and-photonics/photonic-crystal/": {"t": "Photonic crystal", "s": "Periodic nanostructures that control light propagation via photonic band gaps."}, "https://codexery.com/polymers-and-macromolecules/e/polymers-and-macromolecules/resin/": {"t": "Resin", "s": "Plant and synthetic substance used in varnishes, adhesives, and incense."}, "https://codexery.com/geology/e/geology/geyser/": {"t": "Geyser", "s": "A rare spring that erupts intermittently with steam and water."}, "https://codexery.com/rocks-and-minerals/e/rocks-and-minerals/hematite/": {"t": "Hematite", "s": "Iron oxide mineral used as ore, pigment, and in jewelry."}, "https://codexery.com/minerals-crystals/e/minerals-and-crystals/agate/": {"t": "Agate", "s": "Banded chalcedony gemstone, popular for millennia."}, "https://codexery.com/minerals-crystals/e/minerals-and-crystals/chalcedony/": {"t": "Chalcedony", "s": "A microcrystalline silica used in tools, gems, and art since prehistory."}, "https://codexery.com/geometry-and-shapes/e/geometry-and-shapes/tetrahedron/": {"t": "Tetrahedron", "s": "A polyhedron with four triangular faces and four vertices."}, "https://codexery.com/brazilian-states/e/brazilian-states/rio-grande-do-sul/": {"t": "Rio Grande do Sul", "s": "Southernmost Brazilian state with gaucho culture and high life expectancy."}, "https://codexery.com/brazilian-states/e/brazilian-states/minas-gerais/": {"t": "Minas Gerais", "s": "Land of gold, coffee, and colonial heritage", "i": "https://codexery.com/brazilian-states/img/brazilian-states/minas-gerais.webp", "c": "via Wikipedia: Minas Gerais · see source"}, "https://codexery.com/countries-and-regions/e/countries-and-regions/ontario/": {"t": "Ontario", "s": "Canada's most populous province, home to Ottawa and Toronto."}, "https://codexery.com/u-s-states/e/u-s-states/south-carolina/": {"t": "South Carolina", "s": "A southeastern U.S. state with a pivotal role in American history."}, "https://codexery.com/greek-myths/e/greek-myths/dionysus/": {"t": "Dionysus", "s": "God of wine, theatre, and ecstatic liberation."}, "https://codexery.com/minerals-ore-deposits/e/minerals-and-ore-deposits/silicate-mineral/": {"t": "Silicate mineral", "s": "Silicate minerals form 90% of Earth's crust."}, "https://codexery.com/chemistry/e/chemistry/fluorine/": {"t": "Fluorine", "s": "Fluorine is a chemical element, represented by the symbol F and carrying atomic number 9."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/chemical-formula/": {"t": "Chemical formula", "s": "A notation showing atomic proportions in a compound.", "i": "https://codexery.com/chemistry-fundamentals/img/chemistry-fundamentals/chemical-formula.webp", "c": "Dharmeshkumar Shah · CC BY-SA 4.0"}, "https://codexery.com/crystallography/e/crystallography/crystal-system/": {"t": "Crystal system", "s": "A set of point groups classifying crystal symmetries."}, "https://codexery.com/languages-and-dialects/e/languages-and-dialects/greek-language/": {"t": "Greek language", "s": "Greek is the world's oldest recorded living language."}, "/e/gemstones/peridot/": {"t": "Peridot", "s": "The olive-green gem of the mantle, born in molten rock and prized since antiquity."}, "https://codexery.com/minerals-and-gems/e/minerals-and-gems/olivine/": {"t": "Olivine", "s": "A common mantle mineral that drives plate tectonics and weathers rapidly."}, "https://codexery.com/scientists-and-mathematicians/e/scientists-and-mathematicians/pliny-the-elder/": {"t": "Pliny the Elder", "s": "Roman author and naturalist who wrote the encyclopedic Natural History and died rescuing others from Mount Vesuvius."}, "https://codexery.com/historical-eras/e/historical-eras/middle-ages/": {"t": "Middle Ages", "s": "The middle epoch between classical antiquity and the modern period.", "i": "https://codexery.com/historical-eras/img/historical-eras/middle-ages.webp", "c": "via Wikipedia: Middle Ages · see source"}, "https://codexery.com/superstitions/e/superstitions/evil-eye/": {"t": "Evil eye", "s": "Belief in a curse from a malevolent glare, found worldwide."}, "https://codexery.com/u-s-states/e/u-s-states/utah/": {"t": "Utah", "s": "A landlocked state shaped by Mormon settlement and desert geography."}, "https://codexery.com/u-s-states/e/u-s-states/texas/": {"t": "Texas", "s": "Second-largest U.S. state by area, but first in Fortune 500 headquarters and gross state product."}, "https://codexery.com/construction-materials/e/construction-and-materials/abrasive/": {"t": "Abrasive", "s": "Materials that shape workpieces through controlled friction and wear.", "i": "https://codexery.com/construction-materials/img/construction-and-materials/abrasive.webp", "c": "Challiyan · CC BY-SA 4.0"}, "https://codexery.com/languages/e/languages/middle-english/": {"t": "Middle English", "s": "Middle English was the language of England after the Norman Conquest.", "i": "https://codexery.com/languages/img/languages/middle-english.webp", "c": "via Wikipedia: Middle English · see source"}, "https://codexery.com/common-plants-and-crops/e/common-plants-and-crops/pomegranate/": {"t": "Pomegranate", "s": "Ancient fruit domesticated in Iran, now cultivated worldwide."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/manganese/": {"t": "Manganese", "s": "Hard, brittle metal essential in alloys and human nutrition."}, "https://codexery.com/geology-earth-science/e/geology-and-earth-science/metamorphic-rock/": {"t": "Metamorphic rock", "s": "Rock transformed by heat and pressure without melting."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/mica/": {"t": "Mica", "s": "Micas are silicate minerals with perfect basal cleavage."}, "https://codexery.com/geology-earth-surface/e/geology-and-earth-surface/schist/": {"t": "Schist", "s": "Medium-grained metamorphic rock with pronounced schistosity.", "i": "https://codexery.com/geology-earth-surface/img/geology-and-earth-surface/schist.webp", "c": "James St. John · CC BY 2.0"}, "https://codexery.com/minerals-ore-deposits/e/minerals-and-ore-deposits/staurolite/": {"t": "Staurolite", "s": "A cross-shaped mineral used to gauge metamorphic conditions."}, "https://codexery.com/minerals-and-gems/e/minerals-and-gems/kyanite/": {"t": "Kyanite", "s": "A blue aluminosilicate mineral indicating high-pressure metamorphism."}, "https://codexery.com/historical-eras/e/historical-eras/late-antiquity/": {"t": "Late antiquity", "s": "Period of transformation from classical antiquity to medieval worlds."}, "https://codexery.com/ancient-empires/e/ancient-empires/ancient-rome/": {"t": "Ancient Rome", "s": "Ancient Rome spanned from 753 BC to 476 AD."}, "/e/gemstones/topaz/": {"t": "Topaz", "s": "A durable gemstone with a rich history and a range of colors, often treated to enhance its appearance.", "i": "https://codexery.com/gemstones/img/gemstones/topaz.webp", "c": "Eric Polk · CC BY-SA 4.0"}, "https://codexery.com/chemical-bonding-and-structure/e/chemical-bonding-and-structure/chemical-composition/": {"t": "Chemical composition", "s": "Chemical composition defines elements and their ratios in compounds."}, "https://codexery.com/rocks-and-minerals/e/rocks-and-minerals/forsterite/": {"t": "Forsterite", "s": "Magnesium-rich end-member of the olivine solid solution series."}, "https://codexery.com/geology/e/geology/earth-s-crust/": {"t": "Earth's crust", "s": "Earth's crust is its thick outer shell of rock, comprising less than one percent of the planet's radius and volume.", "i": "https://codexery.com/geology/img/geology/earth-s-crust.webp", "c": "User:Zakapedia · CC BY-SA 3.0"}, "https://codexery.com/languages-and-dialects/e/languages-and-dialects/english-language/": {"t": "English language", "s": "A West Germanic language that became the world's lingua franca."}, "/e/gemstones/opal/": {"t": "Opal", "s": "A hydrated amorphous silica mineraloid prized for its play-of-color.", "i": "https://codexery.com/gemstones/img/gemstones/opal.webp", "c": "Lambtron · CC BY-SA 4.0"}, "https://codexery.com/rocks-and-minerals/e/rocks-and-minerals/fayalite/": {"t": "Fayalite", "s": "Iron-rich olivine end-member stable with quartz at low pressure."}, "https://codexery.com/minerals-and-gems/e/minerals-and-gems/magnetite/": {"t": "Magnetite", "s": "Most magnetic naturally occurring mineral, key to paleomagnetism and compasses."}, "https://codexery.com/islands-and-archipelagos/e/islands-and-archipelagos/hawaii/": {"t": "Hawaii", "s": "Island state with a tropical climate and diverse heritage."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/chemical-compound/": {"t": "Chemical compound", "s": "Substance of multiple elements bonded in fixed proportions."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/chemical-element/": {"t": "Chemical element", "s": "Fundamental species of atom defined by proton count."}, "https://codexery.com/chemical-elements-metals/e/chemical-elements-and-metals/potassium/": {"t": "Potassium", "s": "Soft alkali metal essential to life and widely used in fertilizers."}, "https://codexery.com/languages-of-the-world/e/languages-of-the-world/sinhala-language/": {"t": "Sinhala language", "s": "An Indo-Aryan language of Sri Lanka with a rich history and diglossic structure."}, "https://codexery.com/exploration-colonization/e/exploration-and-colonization/dutch-east-india-company/": {"t": "Dutch East India Company", "s": "Chartered trading company and pioneer of joint-stock finance.", "i": "https://codexery.com/exploration-colonization/img/exploration-and-colonization/dutch-east-india-company.webp", "c": "Wikimedia Commons · CC BY 4.0"}, "https://codexery.com/electromagnetism-and-waves/e/electromagnetism-and-waves/polarization-waves/": {"t": "Polarization (waves)", "s": "Property of transverse waves specifying oscillation orientation."}, "https://codexery.com/german-states/e/german-states/saxony/": {"t": "Saxony", "s": "A German state with a long history as duchy, electorate, and kingdom."}, "https://codexery.com/chemical-elements/e/chemical-elements/tin/": {"t": "Tin", "s": "A soft, silvery-white post-transition metal with the largest number of stable isotopes.", "i": "https://codexery.com/chemical-elements/img/chemical-elements/tin.webp", "c": "Farmers' Trading Company · CC BY 4.0"}, "https://codexery.com/minerals-crystals/e/minerals-and-crystals/cassiterite/": {"t": "Cassiterite", "s": "Tin oxide mineral, chief tin ore since ancient times."}, "https://codexery.com/languages-and-dialects/e/languages-and-dialects/german-language/": {"t": "German language", "s": "German, known natively as Deutsch (pronounced [dɔɪ̯tʃ]), belongs to the West Germanic branch of the Indo-European language family and is spoken primarily across"}, "https://codexery.com/geology-earth-science/e/geology-and-earth-science/mineralogy/": {"t": "Mineralogy", "s": "Scientific study of minerals, their properties, and crystal structures."}, "https://codexery.com/former-empires/e/former-empires/austria-hungary/": {"t": "Austria-Hungary", "s": "A dual monarchy that shaped Central Europe for half a century."}, "https://codexery.com/countries-and-regions/e/countries-and-regions/malawi/": {"t": "Malawi", "s": "Malawi, whose official name is the Republic of Malawi, sits landlocked in Southeast Africa.", "i": "https://codexery.com/countries-and-regions/img/countries-and-regions/malawi.webp", "c": "Sputink · CC BY-SA 4.0"}, "https://codexery.com/u-s-states/e/u-s-states/maine/": {"t": "Maine", "s": "Northeasternmost state in the contiguous United States.", "i": "https://codexery.com/u-s-states/img/u-s-states/maine.webp", "c": "TylerKutschbach · CC BY-SA 4.0"}, "https://codexery.com/u-s-states/e/u-s-states/new-mexico/": {"t": "New Mexico", "s": "Land of diverse cultures, history, and high desert."}, "https://codexery.com/lost-civilizations/e/lost-civilizations/the-mycenaeans/": {"t": "The Mycenaeans", "s": "First advanced Greek civilization of the Bronze Age."}, "https://codexery.com/chemistry/e/chemistry/hydrochloric-acid/": {"t": "Hydrochloric acid", "s": "A strong acid essential in digestion, industry, and laboratory chemistry."}, "https://codexery.com/taxonomy-evolution/e/taxonomy-and-evolution/fossil/": {"t": "Fossil", "s": "Fossils are preserved remains of ancient life, key to evolution."}, "https://codexery.com/geology/e/geology/feldspar/": {"t": "Feldspar", "s": "A group of rock-forming minerals comprising most of Earth's crust."}, "https://codexery.com/peninsulas-and-cape-landforms/e/peninsulas-and-cape-landforms/sinai-peninsula/": {"t": "Sinai Peninsula", "s": "Peninsula in Egypt and a land bridge between Africa and Asia", "i": "https://codexery.com/peninsulas-and-cape-landforms/img/peninsulas-and-cape-landforms/sinai-peninsula.webp", "c": "CIA · via Wikipedia: Sinai Peninsula · Public domain"}, "https://codexery.com/u-s-states/e/u-s-states/virginia/": {"t": "Virginia", "s": "First permanent English colony in the New World."}, "https://codexery.com/indigenous-peoples-of-the-world/e/indigenous-peoples-of-the-world/indigenous-peoples-of-the-americas/": {"t": "Indigenous peoples of the Americas", "s": "Native peoples of the Americas with diverse cultures and languages."}, "https://codexery.com/minerals-crystals/e/minerals-and-crystals/amphibole/": {"t": "Amphibole", "s": "A group of double-chain silicate minerals forming prismatic crystals."}, "https://codexery.com/chemical-elements-metals/e/chemical-elements-and-metals/sodium/": {"t": "Sodium", "s": "Soft, reactive alkali metal essential for life."}, "https://codexery.com/countries-and-regions/e/countries-and-regions/latin-america/": {"t": "Latin America", "s": "The cultural region of the Americas where Romance languages are predominantly spoken.", "i": "https://codexery.com/countries-and-regions/img/countries-and-regions/latin-america.webp", "c": "Henrykez · CC BY-SA 4.0"}, "https://codexery.com/lost-civilizations/e/lost-civilizations/the-olmec/": {"t": "The Olmec", "s": "Early major Mesoamerican civilization and one of its cradles."}, "https://codexery.com/indigenous-peoples-of-the-world/e/indigenous-peoples-of-the-world/maya-peoples/": {"t": "Maya peoples", "s": "Indigenous peoples of Mesoamerica, descendants of the ancient Maya civilization."}, "https://codexery.com/ancient-civilizations/e/ancient-civilizations/neolithic/": {"t": "Neolithic", "s": "The New Stone Age: dawn of farming and settlement.", "i": "https://codexery.com/ancient-civilizations/img/ancient-civilizations/neolithic.webp", "c": "Zde · CC BY-SA 4.0"}, "https://codexery.com/minerals-crystals/e/minerals-and-crystals/anorthite/": {"t": "Anorthite", "s": "Calcium endmember of plagioclase feldspar, rare on Earth but abundant on the Moon."}, "https://codexery.com/history-of-imperial-china/e/history-of-imperial-china/silk-road/": {"t": "Silk Road", "s": "Network of routes linking East and West for centuries.", "i": "https://codexery.com/history-of-imperial-china/img/history-of-imperial-china/silk-road.webp", "c": "User:Kelvin Case\nUser:Turkish Flame\n\nUser:SmallJarsWithGreenLabels · via Wikipedia: Silk Road · CC BY-SA 4.0"}, "https://codexery.com/optics-and-color/e/optics-and-color/orange-colour/": {"t": "Orange (colour)", "s": "Orange is the colour between yellow and red, named after the fruit.", "i": "https://codexery.com/optics-and-color/img/optics-and-color/orange-colour.webp", "c": "Clément Bucco-Lechat · CC BY-SA 3.0"}, "https://codexery.com/peninsulas-and-cape-landforms/e/peninsulas-and-cape-landforms/korean-peninsula/": {"t": "Korean Peninsula", "s": "Divided peninsula with ancient kingdoms and modern global influence."}, "https://codexery.com/ancient-empires/e/ancient-empires/maya-civilization/": {"t": "Maya civilization", "s": "Ancient Mesoamerican civilization known for its temples, glyphs, and advanced mathematics."}, "https://codexery.com/minerals-crystals/e/minerals-and-crystals/jadeite/": {"t": "Jadeite", "s": "A hard, tough pyroxene mineral forming the most valuable jade."}, "https://codexery.com/ancient-civilizations/e/ancient-civilizations/prehistory/": {"t": "Prehistory", "s": "Human history before written records, studied through material evidence.", "i": "https://codexery.com/ancient-civilizations/img/ancient-civilizations/prehistory.webp", "c": "Palauenc05 · CC BY-SA 4.0"}, "https://codexery.com/minerals-and-gems/e/minerals-and-gems/lazurite/": {"t": "Lazurite", "s": "Deep-blue feldspathoid mineral, key component of lapis lazuli."}, "/e/gemstones/pearl/": {"t": "Pearl", "s": "A hard, lustrous gem formed by mollusks."}, "https://codexery.com/lost-civilizations/e/lost-civilizations/the-indus-valley-civilization/": {"t": "The Indus Valley Civilization", "s": "One of four ancient centres of the world, spanning Pakistan, India, and Afghanistan."}, "https://codexery.com/music-genres-styles/e/music-genres-and-styles/baroque/": {"t": "Baroque", "s": "A Western artistic style flourishing from the early 1600s to 1750s."}, "https://codexery.com/historical-figures/e/notable/masaccio/": {"t": "Masaccio", "s": "Florentine painter who pioneered the Early Renaissance with naturalism and perspective."}, "https://codexery.com/old-masters/e/old-masters/pietro-perugino/": {"t": "Pietro Perugino", "s": "Umbrian painter whose work prefigured the High Renaissance."}, "https://codexery.com/historical-figures/e/artists/titian/": {"t": "Titian", "s": "Italian Renaissance painter, founder of the Venetian school, known for his masterful use of colour.", "i": "https://codexery.com/historical-figures/img/artists/titian.webp", "c": "Titian · via Wikipedia: Titian · Public domain"}, "https://codexery.com/historical-figures/e/notable/johannes-vermeer/": {"t": "Johannes Vermeer", "s": "The Sphinx of Delft: Master of Light and Domestic Interiors"}, "https://codexery.com/performing-arts-crafts/e/performing-arts-and-crafts/illuminated-manuscript/": {"t": "Illuminated manuscript", "s": "Decorated texts from late antiquity to the Renaissance"}, "https://codexery.com/languages-and-writing-systems/e/languages-and-writing-systems/persian-language/": {"t": "Persian language", "s": "Persian is a Western Iranian language with three standard varieties."}, "https://codexery.com/rivers-and-lakes/e/rivers-and-lakes/lake-baikal/": {"t": "Lake Baikal", "s": "World's deepest and oldest freshwater lake by volume.", "i": "https://codexery.com/rivers-and-lakes/img/rivers-and-lakes/lake-baikal.webp", "c": "via Wikipedia: Lake Baikal · see source"}, "https://codexery.com/mountain-ranges-and-massifs/e/mountain-ranges-and-massifs/andes/": {"t": "Andes", "s": "Longest continental mountain range, forming western backbone of South America."}, "https://codexery.com/minerals-crystals/e/minerals-and-crystals/augite/": {"t": "Augite", "s": "A common pyroxene mineral with monoclinic crystals and near-90-degree cleavage."}, "https://codexery.com/rocks-and-minerals/e/rocks-and-minerals/enstatite/": {"t": "Enstatite", "s": "Magnesium-rich pyroxene mineral found in rocks, meteorites, and space."}, "https://codexery.com/rivers-and-lakes/e/rivers-and-lakes/indus-river/": {"t": "Indus River", "s": "A transboundary river of Asia, rising in Tibet and flowing through Kashmir and Pakistan to the Arabian Sea.", "i": "https://codexery.com/rivers-and-lakes/img/rivers-and-lakes/indus-river.webp", "c": "via Wikipedia: Indus River · see source"}, "https://codexery.com/literary-giants/e/literary-giants/w-b-yeats/": {"t": "W. B. Yeats", "s": "Irish poet, dramatist, and Nobel laureate."}, "https://codexery.com/crystallography/e/crystallography/crystal-growth/": {"t": "Crystal growth", "s": "Process of adding particles to a crystalline lattice after nucleation.", "i": "https://codexery.com/crystallography/img/crystallography/crystal-growth.webp", "c": "LaMèreVeille · CC BY-SA 4.0"}, "https://codexery.com/classical-mechanics/e/classical-mechanics/viscosity/": {"t": "Viscosity", "s": "Viscosity quantifies a fluid's internal resistance to flow."}, "https://codexery.com/nonfiction-and-reference/e/part-1/natural-history-pliny/": {"t": "Natural History (Pliny)", "s": "The ancient encyclopedia that shaped natural history."}, "https://codexery.com/philosophical-concepts/e/philosophical-concepts/hypothesis/": {"t": "Hypothesis", "s": "A proposed explanation requiring testable and reproducible prediction."}, "https://codexery.com/geology/e/geology/granite/": {"t": "Granite", "s": "A coarse-grained intrusive igneous rock composed mostly of quartz, alkali feldspar, mica, and plagioclase.", "i": "https://codexery.com/geology/img/geology/granite.webp", "c": "Giles Laurent · CC BY-SA 4.0"}, "https://codexery.com/geology/e/geology/cretaceous/": {"t": "Cretaceous", "s": "The longest geological period, marked by warm climates, dinosaurs, and the rise of flowering plants, ending with a mass extinction.", "i": "https://codexery.com/geology/img/geology/cretaceous.webp", "c": "James St. John · CC BY 2.0"}, "https://codexery.com/countries-and-territories/e/countries-and-territories/kenya/": {"t": "Kenya", "s": "East African nation with ancient human origins and diverse landscapes."}, "https://codexery.com/u-s-states/e/u-s-states/idaho/": {"t": "Idaho", "s": "The Gem State", "i": "https://codexery.com/u-s-states/img/u-s-states/idaho.webp", "c": "TylerKutschbach · CC BY-SA 4.0"}, "https://codexery.com/world-heritage-sites-in-the-united/e/world-heritage-sites-in-the-united-states/hopewell-culture-national-historical-park/": {"t": "Hopewell Culture National Historical Park", "s": "Preserves Hopewell culture earthworks and burial mounds in Ohio."}, "https://codexery.com/minerals-crystals/e/minerals-and-crystals/aragonite/": {"t": "Aragonite", "s": "A metastable calcium carbonate mineral forming in diverse environments."}, "https://codexery.com/seafood/e/seafood/clam/": {"t": "Clam", "s": "Edible bivalve molluscs that burrow in sand or mud."}, "https://codexery.com/seafood/e/seafood/oyster/": {"t": "Oyster", "s": "Salt-water bivalve molluscs, some prized as delicacies and for pearls."}, "https://codexery.com/electromagnetism-and-waves/e/electromagnetism-and-waves/reflection-physics/": {"t": "Reflection (physics)", "s": "Wavefront returns into the original medium upon striking an interface."}, "https://codexery.com/electromagnetism-and-waves/e/electromagnetism-and-waves/refraction/": {"t": "Refraction", "s": "Refraction redirects waves when they change speed between media."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/acetic-acid/": {"t": "Acetic acid", "s": "The second simplest carboxylic acid, key to vinegar and industrial chemistry.", "i": "https://codexery.com/chemistry-fundamentals/img/chemistry-fundamentals/acetic-acid.webp", "c": "Michael D. Turnbull · CC0"}, "https://codexery.com/fifa-world-cup/e/honours/scotland/": {"t": "Scotland", "s": "A country of ancient kingdoms, rugged highlands, and deep lochs."}, "https://codexery.com/cysts/e/cysts/cyst/": {"t": "Cyst", "s": "A closed sac of abnormal cells, often self-resolving or requiring surgery."}, "https://codexery.com/coral-reefs/e/coral-reefs/coral/": {"t": "Coral", "s": "Colonial marine animals that build tropical and deep-sea reefs."}, "https://codexery.com/languages-and-writing-systems/e/languages-and-writing-systems/romance-languages/": {"t": "Romance languages", "s": "The Romance languages, often called the Latin languages, are those that evolved directly from Vulgar Latin."}, "https://codexery.com/astronomical-myths/e/astronomical-myths/phaethon/": {"t": "Phaethon", "s": "Mortal son of Helios who disastrously drove the sun chariot."}, "https://codexery.com/greek-myths/e/greek-myths/helios/": {"t": "Helios", "s": "Greek god personifying the Sun, guardian of oaths and sight."}, "https://codexery.com/trees-and-forest-species/e/trees-and-forest-species/populus/": {"t": "Populus", "s": "A genus of fast-growing trees including poplars, aspens, and cottonwoods.", "i": "https://codexery.com/trees-and-forest-species/img/trees-and-forest-species/populus.webp", "c": "Dmitry Makeev · CC BY-SA 4.0"}, "https://codexery.com/electricity-and-magnetism/e/electricity-and-magnetism/insulator-electricity/": {"t": "Insulator (electricity)", "s": "Material that resists electric current flow."}, "https://codexery.com/explorers-of-the-americas/e/explorers-of-the-americas/pytheas/": {"t": "Pytheas", "s": "Greek explorer who first described the Arctic and midnight sun."}, "https://codexery.com/italian-regions/e/italian-regions/basilicata/": {"t": "Basilicata", "s": "Southern Italian region with ancient Lucanian and Byzantine heritage."}, "https://codexery.com/ancient-cities/e/ancient-cities/mycenae/": {"t": "Mycenae", "s": "Major centre of Mycenaean civilization in the second millennium BC."}, "https://codexery.com/electromagnetism-and-waves/e/electromagnetism-and-waves/electrostatics/": {"t": "Electrostatics", "s": "Branch of physics studying stationary electric charges and their forces."}, "https://codexery.com/rivers-and-seas-of-the-world/e/rivers-and-seas-of-the-world/baltic-sea/": {"t": "Baltic Sea", "s": "The world's largest brackish water basin, an arm of the Atlantic enclosed by nine countries.", "i": "https://codexery.com/rivers-and-seas-of-the-world/img/rivers-and-seas-of-the-world/baltic-sea.webp", "c": "via Wikipedia: White Sea–Baltic Canal · see source"}, "https://codexery.com/u-s-states/e/u-s-states/new-jersey/": {"t": "New Jersey", "s": "Most densely populated U.S. state, hub of biopharmaceutical innovation."}, "https://codexery.com/cultural-and-historical-regions/e/cultural-and-historical-regions/prussia-region/": {"t": "Prussia (region)", "s": "Historical Baltic region, origin of the Prussian state."}, "https://codexery.com/miscellaneous/e/miscellaneous/kaliningrad-oblast/": {"t": "Kaliningrad Oblast", "s": "Russia's westernmost exclave on the Baltic, with a Prussian and Soviet past.", "i": "https://codexery.com/miscellaneous/img/miscellaneous/kaliningrad-oblast.webp", "c": "via Wikipedia: Nesterovsky District · see source"}, "https://codexery.com/minerals-and-gems/e/minerals-and-gems/orthoclase/": {"t": "Orthoclase", "s": "A key feldspar mineral forming igneous rocks and gemstones."}, "https://codexery.com/minerals-crystals/e/minerals-and-crystals/plagioclase/": {"t": "Plagioclase", "s": "A continuous solid solution series of feldspar minerals."}, "https://codexery.com/great-lakes-of-the-world/e/great-lakes-of-the-world/lake-sevan/": {"t": "Lake Sevan", "s": "Largest lake in Armenia, vital for irrigation, power, and culture."}, "https://codexery.com/fifa-world-cup/e/honours/poland/": {"t": "Poland", "s": "A Central European nation with a rich history, from the Piast dynasty to the Solidarity movement."}, "https://codexery.com/minerals-and-gems/e/minerals-and-gems/labradorite/": {"t": "Labradorite", "s": "A feldspar mineral known for its iridescent labradorescence."}, "https://codexery.com/clothing-and-accessories/e/clothing-and-accessories/jewellery/": {"t": "Jewellery", "s": "Decorative items worn for personal adornment across cultures and history."}, "https://codexery.com/ancient-empires/e/ancient-empires/roman-empire/": {"t": "Roman Empire", "s": "Medieval and early modern empire claiming direct Roman succession, dissolved in 1806."}, "https://codexery.com/art-movements-styles/e/art-movements-and-styles/art-nouveau/": {"t": "Art Nouveau", "s": "Whiplash curves, plant forms and iron and glass: the international style of the Belle Époque.", "i": "https://codexery.com/art-movements-styles/img/art-movements-and-styles/art-nouveau.webp", "c": "via Wikipedia: Art Nouveau · see source"}, "https://codexery.com/historical-events-places/e/historical-events-and-places/moon-landing/": {"t": "Moon landing", "s": "Arrival of a spacecraft on the lunar surface."}, "https://codexery.com/thai-folklore/e/thai-folklore/thai-folklore/": {"t": "Thai folklore", "s": "Thai folklore blends ancient Tai beliefs with popular culture."}, "/e/gemstones/obsidian/": {"t": "Obsidian", "s": "Volcanic glass used for sharp tools since prehistory."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/nitric-acid/": {"t": "Nitric acid", "s": "A highly corrosive mineral acid used in nitration and as a strong oxidizing agent."}, "https://codexery.com/lost-civilizations/e/lost-civilizations/the-minoans/": {"t": "The Minoans", "s": "Bronze Age civilization on Crete, first in Europe."}, "https://codexery.com/major-islands-and-archipelagos/e/major-islands-and-archipelagos/crete/": {"t": "Crete", "s": "Largest Greek island, centre of Minoan civilization."}, "https://codexery.com/ancient-cities/e/ancient-cities/knossos/": {"t": "Knossos", "s": "Largest centre of Minoan civilisation and oldest city in Europe."}, "https://codexery.com/art-movements-styles/e/art-movements-and-styles/art-deco/": {"t": "Art Deco", "s": "A decorative style of luxury and geometric form.", "i": "https://codexery.com/art-movements-styles/img/art-movements-and-styles/art-deco.webp", "c": "via Wikipedia: Art Deco · see source"}, "https://codexery.com/fifa-world-cup/e/honours/austria/": {"t": "Austria", "s": "A landlocked Central European nation with a rich imperial history and a modern neutral democracy."}, "https://codexery.com/mountain-ranges-and-massifs/e/mountain-ranges-and-massifs/atlas-mountains/": {"t": "Atlas Mountains", "s": "North African mountain range separating Sahara from Mediterranean and Atlantic."}, "https://codexery.com/historical-figures/e/notable/ludwig-mies-van-der-rohe/": {"t": "Ludwig Mies van der Rohe", "s": "Pioneer of modern architecture and last director of the Bauhaus.", "i": "https://codexery.com/historical-figures/img/notable/ludwig-mies-van-der-rohe.webp", "c": "Unknown authorUnknown author · via Wikipedia: Ludwig Mies van der Rohe · Public domain"}, "https://codexery.com/world-heritage-sites-in-the-czech/e/world-heritage-sites-in-the-czech-republic/villa-tugendhat/": {"t": "Villa Tugendhat", "s": "A pioneering modernist villa in Brno, Czech Republic."}, "https://codexery.com/mythological-rapists/e/mythological-rapists/mars-mythology/": {"t": "Mars (mythology)", "s": "Roman god of war and father of Romulus and Remus."}, "https://codexery.com/ethnic-groups/e/ethnic-groups/persians/": {"t": "Persians", "s": "An Iranian ethnic group indigenous to the Iranian plateau, native speakers of Persian, and founders of ancient empires."}, "https://codexery.com/minerals-crystals/e/minerals-and-crystals/azurite/": {"t": "Azurite", "s": "A deep-blue copper mineral used as pigment since antiquity."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/nickel/": {"t": "Nickel", "s": "Silvery-white metal, ferromagnetic, key to stainless steel and batteries."}, "https://codexery.com/minerals-ore-deposits/e/minerals-and-ore-deposits/sulfide-mineral/": {"t": "Sulfide mineral", "s": "Class of minerals with sulfide or disulfide as major anion."}, "https://codexery.com/geology-earth-science/e/geology-and-earth-science/ore/": {"t": "Ore", "s": "Natural rock containing economically viable minerals or metals."}, "https://codexery.com/cultural-and-historical-regions/e/cultural-and-historical-regions/southwestern-united-states/": {"t": "Southwestern United States", "s": "A land of deserts, plateaus, and cultural fusion."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/acid/": {"t": "Acid", "s": "A substance that donates a proton or accepts an electron pair.", "i": "https://codexery.com/chemistry-fundamentals/img/chemistry-fundamentals/acid.webp", "c": "Heritage Preservation Department - MNHS · CC BY-SA 4.0"}, "https://codexery.com/cities/e/capitals/mexico-city/": {"t": "Mexico City", "s": "La Ciudad de los Palacios"}, "https://codexery.com/leaders-and-monarchs/e/leaders-and-monarchs/nicholas-i-of-russia/": {"t": "Nicholas I of Russia", "s": "Emperor of Russia known for autocratic rule, territorial expansion, and suppression of dissent."}, "https://codexery.com/christian-theology/e/christian-theology/afterlife/": {"t": "Afterlife", "s": "Speculation on existence after death across religions and philosophies."}, "https://codexery.com/rocks-and-minerals/e/rocks-and-minerals/epidote/": {"t": "Epidote", "s": "A rock-forming sorosilicate mineral with strong pleochroism."}, "https://codexery.com/notable-mountains-and-peaks/e/notable-mountains-and-peaks/kilimanjaro/": {"t": "Kilimanjaro", "s": "Africa's highest mountain and a major climbing destination."}, "https://codexery.com/geology/e/geology/fold-geology/": {"t": "Fold (geology)", "s": "Bent rock layers from microscopic crinkles to mountain-sized structures."}, "https://codexery.com/african-independence-leaders-post-coloni/e/african-independence-leaders-and-post-colonial-figures/julius-nyerere/": {"t": "Julius Nyerere", "s": "Tanzanian anti-colonial activist and architect of Ujamaa socialism.", "i": "https://codexery.com/african-independence-leaders-post-coloni/img/african-independence-leaders-and-post-colonial-figures/julius-nyerere.webp", "c": "via Wikipedia: Julius Nyerere · see source"}, "https://codexery.com/cities/e/landmark-cities/new-york-city/": {"t": "New York City", "s": "The most populous city in the United States, a global center of finance, culture, and diplomacy."}, "https://codexery.com/universities-and-colleges/e/universities-and-colleges/harvard-university/": {"t": "Harvard University", "s": "Oldest institution of higher learning in the United States.", "i": "https://codexery.com/universities-and-colleges/img/universities-and-colleges/harvard-university.webp", "c": "Harvard University · via Wikipedia: Harvard University · Public domain"}, "https://codexery.com/universities-and-colleges/e/universities-and-colleges/heidelberg-university/": {"t": "Heidelberg University", "s": "Germany's oldest university, founded in 1386.", "i": "https://codexery.com/universities-and-colleges/img/universities-and-colleges/heidelberg-university.webp", "c": "Max Adamo · Public domain"}, "https://codexery.com/reaction-mechanisms-and-kinetics/e/reaction-mechanisms-and-kinetics/tetrahedral-molecular-geometry/": {"t": "Tetrahedral molecular geometry", "s": "Four substituents at tetrahedron corners around a central atom."}, "https://codexery.com/geology-earth-science/e/geology-and-earth-science/lithosphere/": {"t": "Lithosphere", "s": "The rigid outer shell of Earth, comprising the crust and lithospheric mantle."}, "https://codexery.com/regions-cultural-spheres/e/regions-and-cultural-spheres/europe/": {"t": "Europe", "s": "Second-smallest continent, birthplace of Western civilisation and European Union."}, "https://codexery.com/regions-cultural-spheres/e/regions-and-cultural-spheres/asia/": {"t": "Asia", "s": "Largest continent by area and population, cradle of many civilisations."}, "https://codexery.com/languages-and-dialects/e/languages-and-dialects/czech-language/": {"t": "Czech language", "s": "A West Slavic language of the Czech–Slovak group, official in the Czech Republic, with a rich morphology and a raised alveolar trill."}, "https://codexery.com/mountains-and-mountain-ranges/e/mountains-and-mountain-ranges/alps/": {"t": "Alps", "s": "Major European mountain range spanning eight countries.", "i": "https://codexery.com/mountains-and-mountain-ranges/img/mountains-and-mountain-ranges/alps.webp", "c": "Terra (EOS AM-1) satellite · via Wikipedia: Alps · Public domain"}, "https://codexery.com/crystallography/e/crystallography/crystal-polymorphism/": {"t": "Crystal polymorphism", "s": "A compound can crystallize into more than one crystal structure.", "i": "https://codexery.com/crystallography/img/crystallography/crystal-polymorphism.webp", "c": "Perditax · CC0"}}