Intellect PlusCards starting with C
9,109 cards. Page 118 of 152.
Chemical decomposition turns one substance into many, powering everything from airbags to medicine storage.Chemical decomposition is the process of breaking a single substance into two or more fragments. While often an unwanted breakdown caused by environmental factors like light or hu…
Chemical descriptors act as a precise map for the three-dimensional architecture of molecules.In chemistry, names are not just labels; they are structural blueprints. Descriptors like (R), (S), cis, or trans provide essential spatial instructions, telling chemists exactly …
Chemical intervention can accelerate the natural formation of dreadlocksDreadlocks are traditionally viewed as a natural progression of hair growth. However, a specific chemical process known as dread perming can bypass the patience of natural formati…
Chemical reactions are the invisible engine behind everything from ancient brewing to modern industry.A chemical reaction is not just a laboratory curiosity; it is a fundamental process where atoms rearrange to create entirely new substances. While physical changes like melting ic…
Chemical reactions can occur in a femtosecond or take longer than the universeChemical kinetics reveals the hidden speeds of our world, from the near-instantaneous formation of chemical bonds to reactions that unfold over billions of years. By measuring how…
Chemistry grew from fire, ores, and failed alchemyBy 1000 BCE, societies already smelted metals, glazed pottery, fermented drinks, and rendered soap—practical chemistry without the name. Alchemy could not explain matter, yet its …
Chemistry is a language with its own grammar and syntaxMastering chemistry feels like learning a foreign tongue, but it follows specific rules. This video breaks down the linguistic structure of chemical nomenclature to help you navig…
Chemists can't agree which elements count as heavy metalsHeavy metals are everywhere in science writing, yet nobody agrees what they are. Published definitions sweep in anything up to 96 of the 118 known elements, and only three, mercur…
Chemists engineer porous materials with openings large enough for proteinsResearchers have developed a method to create metal-organic frameworks (MOFs) with exceptionally large pore apertures, reaching sizes previously unattainable in this class of mate…
Chemists grumble that their Nobel Prize keeps going to biologistsIn the thirty years up to 2012, the Nobel Prize in Chemistry went ten times to biochemistry or molecular biology, and in the final decade of that stretch only four awards honoured…
Chemnitz spent 37 years named after Karl Marx, then voted to change backOn 10 May 1953 the East German government renamed the Saxon industrial city of Chemnitz as Karl-Marx-Stadt, marking 135 years since Marx's birth. In a referendum held in April 199…
Chemo is systemic poison timed against dividing cellsChemotherapy floods the bloodstream with drugs that jam mitosis or damage DNA so repair pathways tip cells toward death. That systemic reach can hit cancer anywhere—and healthy fa…
Chemosh: The Ancient Moabite Deity Who Demanded Victory Through Holy War and SacrificeTo the ancient Moabites, Chemosh was more than a god; he was the supreme patron who dictated the fate of their kingdom. When the Moabites thrived, it was his favor; when they suff…
Chenab city that faced Alexander’s Mallian campaignMultan, Pakistan’s sixth-largest city, sits on the east bank of the Chenab in Punjab and ranks among Asia’s oldest continuously inhabited places. Probably the Malli capital that A…
Chengdu 2025: How the World Games Evolved Through New Sports and Torch RelaysThe 2025 World Games in Chengdu marked a historic shift for the international multi-sport event. Beyond hosting its first-ever torch relay, the games introduced new disciplines li…
Chengdu’s Sunbird-shaped airport is a massive bet on China’s future as a global hubChengdu Tianfu International Airport, designed to resemble the city's mythical Sunbird logo, is a colossal infrastructure project. Opened in 2021 to relieve the overburdened Shuan…
Chennai's Marina Beach is a massive, man-made wonder born from a harbor construction project.Spanning 13 kilometers, India's longest natural urban beach was once a muddy strip teeming with mudskippers. It only became the sprawling sandy landmark known today after the 1881…
Chennai's underground expansion: a 26-kilometer artery beneath the cityThe Yellow Line represents a massive engineering shift for Chennai, moving beyond surface-level transit into deep subterranean infrastructure. Stretching over 16 miles, this corri…
Chenzhou: The ancient Chinese city where history, legend, and mineral wealth convergeNestled in southern Hunan, Chenzhou is a prefecture-level city with roots stretching back to the Qin dynasty. Known as the City in the Forest, it balances a rich heritage of Taois…
Cheongju is the unlikely birthplace of the world's oldest movable metal type book.Beyond its modern status as a South Korean administrative hub, Cheongju holds a profound historical secret. It is the site where the Jikji was printed in 1377, marking a pivotal m…
Cher has scored a number-one single in seven decades runningNo other solo act has topped a US Billboard chart in each of seven decades in a row, from the 1960s through the 2020s, as Cher has. Nobody else holds both an acting Oscar and a pl…- Chernihiv: The ancient northern Ukrainian city that once rivaled Kyiv for powerNestled on the Desna River, Chernihiv is one of Ukraine's oldest urban centers. While first documented in 907, archaeological evidence suggests it existed as early as the 7th cent…
Chernivtsi Oblast is Ukraine's smallest province, a crossroads of empires and shifting identities.Spanning just 8,097 square kilometers, this western Ukrainian region is a tapestry of Carpathian mountains and river plains. Its history is defined by rapid geopolitical shifts, f…
Chernozem: The dark, fertile earth that fueled empires and sparked a black marketKnown as black soil, chernozem is a remarkably fertile earth defined by its high humus content and moisture-storage capacity. Spanning vast Eurasian and North American belts, this…
Cherries are named after a Black Sea town and reached England via Henry VIIIThe word cherry traces to Kerasous, near modern Giresun in Turkey, once thought to be where Europe got its first cherries. A Roman general carried a cultivated tree to Rome in 72 …
Chert is rock built from the glassy skeletons of microscopic sea lifeFlint, the stone of prehistoric blades, is one form of chert, a hard rock made of quartz crystals too small to see. Most of it began as ooze on the deep ocean floor, piled up from…
Chery began by copying other carmakers and became China's biggest car exporterChery's first car, in 1999, was an unlicensed copy of a SEAT Toledo body powered by an engine made on equipment bought from Ford's Dagenham plant. For years it could not legally s…
Cheryl went from a Newcastle council estate to five UK number onesCheryl Tweedy nearly went out twice in the 2002 talent show that formed Girls Aloud. Instead she became the first member voted into the group, which reached number one in record t…
Chesil Beach is a natural marvel that sorts its own pebbles by sizeSpanning 29 kilometres along the Dorset coast, this massive shingle barrier is a geological anomaly. Its stones are perfectly graded, shifting from pea-sized at one end to large p…
Chess began as Indian chaturanga in the seventh centuryChess pits two armies of sixteen pieces on an 8×8 board under FIDE’s global rules. Seventh-century Indian chaturanga is the earliest documented ancestor, kin to xiangqi, shogi, an…
Chess.com grew so big that one game number overflowed its softwareIn June 2017 someone on Chess.com started game number 2,147,483,647, the largest value a common 32-bit integer can hold, and the app stopped working. It was a strange milestone fo…
Chest pain in adults is more often the gut than the heartChest pain sends about 8 million Americans to emergency departments every year, costing more than $8 billion. Heart disease is behind roughly 31% of adult cases, but digestive pro…
Chester's Roman fortress may have been meant to be a provincial capitalAround 75 AD a Roman legion built a fort on the River Dee called Deva Victrix. It was a fifth larger than the fortresses at York and Caerleon, which has led some to suggest it, no…
Chesterfield’s town centre largely survived the twentieth century, preserving its historic medieval street layout.While many British towns underwent radical reconstruction during the post-war era, Chesterfield maintained much of its original pre-war urban plan. Today, the town blends this his…
Chesty Puller: The Marine Corps legend who fought his way through three major warsLewis Burwell Puller, known as Chesty, remains the most decorated Marine in history. From the guerrilla conflicts of the early 20th century to the brutal battlefields of the Pacif…
Chevrolet said a Camaro was a small, vicious animal that eats MustangsIn June 1966, about 200 motoring journalists received a baffling telegram inviting them to help scratch a cat at a meeting of a society devoted to eradicating panthers. Panther wa…
Chewing tobacco is not a safe alternative to smoking, despite its lower relative risk.Long associated with baseball culture and the American South, chewing tobacco remains a potent source of nicotine and a significant health hazard. While it avoids the combustion o…
Cheyenne: The Magic City of the Plains That Became a Capital of EqualityEstablished in 1867 as a rapid-fire railroad junction, Cheyenne transformed from a rugged frontier camp into the capital of Wyoming. Known as the Magic City of the Plains, this hi…
Chiang Mai was founded in 1296 as Lan Na’s new capitalChiang Mai—“new city”—anchors northern Thailand some 700 km from Bangkok in the highlands. King Mangrai founded it in 1294 or 1296 on a Lawa site called Wiang Nopburi, replacing C…
Chiba, the prefecture named for a thousand leaves beside TokyoMost international travellers to Japan land in Chiba, not Tokyo, since Narita Airport sits there. The prefecture's name is written with characters meaning thousand and leaf, and i…
Chicago Compass Players wrote the modern improv rulebookImprov theatre invents dialogue, action, story, and character live, often for comedy, without a fixed script. Western documentation reaches Atellan Farce in 391 BC and Italian str…
Chicago is currently undertaking a massive $8.5 billion overhaul of its primary airport infrastructure.This video explores the scale and complexity of the $8.5 billion redevelopment project at Chicago's airport. It provides a look at the massive construction effort required to mode…
Chicago is finally filling a massive, long-abandoned construction pit with new skyscrapers.For years, a deep hole sat empty in Chicago, the remains of a failed project. Now, new skyscrapers are rising from that same site. This video explores the transformation of the fo…
Chicago once lifted its entire city by ten feet to install a sewer system.Facing a public health crisis caused by poor sanitation, 19th-century Chicago residents executed an ambitious engineering feat. This video explores the desperate conditions of the…
Chicago P.D. navigates the thin, often brutal line between justice and the law.Created by Dick Wolf as a spin-off of Chicago Fire, this police procedural centers on the elite Intelligence Unit of the 21st District. Led by the enigmatic Sergeant Hank Voight, …
Chicago's baseball rivalry is built less on mutual respect and more on shared miseryThe Cubs and White Sox share a city, but their rivalry is defined by a unique brand of schadenfreude. For decades, fans found solace not in their own team's success, but in the pa…
Chicago's Beverly: A High-Elevation Haven of Irish Heritage and IntegrationPerched on a prehistoric glacial ridge, Beverly is one of Chicago's most distinct neighborhoods. It offers a unique blend of exclusive streetcar history and modern racial integrat…
Chicago's Blue Line pioneered the world's first rapid transit route inside a highway median.Spanning nearly 27 miles, the Blue Line is the longest route on Chicago's rail system. It serves as a vital artery connecting O'Hare International Airport to the city's core, yet …
Chicago's Field Museum grew out of the 1893 World's FairWhen the 1893 World's Columbian Exposition closed, Edward Ayer persuaded department-store magnate Marshall Field to fund a museum for its exhibits. The result now holds over 24 mi…
Chicago's GSS still steadies the cheating numbersInfidelity breaks a couple's expected emotional or sexual exclusivity—cheating, affairs, adultery by other names. Kinsey-era work already treated extramarital sex as heavily regul…
Chicago's shifting neighborhood identities and their profound impact on public healthChicago's urban landscape is more complex than a simple map suggests. Beyond the 77 official community areas, the city's evolving neighborhood identities and tree canopy coverage …
Chicago’s famous rat hole was never a rat, but a squirrel in disguiseA viral sidewalk imprint in Chicago, long celebrated as a gritty symbol of the city’s rodent problem, has been debunked by science. Researchers using comparative anatomy and digit…- Chicago’s name remembers a wild onion along a French canoe routeChicago is Illinois’s largest city and America’s third, with 2.74 million residents in 2020 on Lake Michigan’s western shore. Incorporated in 1837 at a Great Lakes–Mississippi por…
Chicagoland is a massive, shifting economic engine that defies a single official definition.Spanning 13 counties and nearly 10 million residents, the Chicago metropolitan area is a sprawling, complex entity. While often called Chicagoland, the term lacks an official boun…
Chichewa: How a Bantu language became the cultural heartbeat of modern MalawiKnown as Chichewa, Chinyanja, or Chinyanja, this Bantu language is a vital pillar of Malawian identity. Part of a vast linguistic family spanning from Cameroon to South Africa, it…
Chichijima: The Remote Pacific Island That Once Served as a Secret Nuclear DepotKnown as Father Island, this remote Japanese outpost has a history as complex as its geography. From its 1830 settlement by an international group of whalers to its role as a stra…
Chick-fil-A shuts every Sunday and still outsells rivals per restaurantIn 2022 the average Chick-fil-A took in $6.71 million, more than any other American fast-food chain, while opening only six days a week. Founder Truett Cathy closed on Sundays fro…
Chicken Scarpariello is a culinary chameleon that defies strict rules and traditional Italian originsOften misidentified as authentic Italian cuisine, Chicken Scarpariello is actually a flexible braised dish that welcomes improvisation. Whether you prefer bone-in thighs, spicy sa…
Chicken was a rich man's dish in 1800s America before it conquered the worldIn nineteenth-century America chicken cost more than other meats and was prized by the wealthy precisely because it was rare. A post-war breeding drive changed that. By 2021 chick…- Chickenpox never truly leaves: the virus hides in your nerves for decadesThe virus behind childhood chickenpox does not depart when the spots heal. It retreats into nerve clusters near the spine and skull and can lie quiet for decades. In roughly a thi…