Intellect PlusCards starting with E
1,803 cards. Page 7 of 31.
Earth's winds run as three giant heat engines stacked in each hemisphereThe Sun heats the tropics far more than the poles, and the air spends its whole existence trying to even that out. The result is three circulation cells in each hemisphere, one of…
Earth’s biggest ocean covers nearly a third of the planetDefined with an Antarctic southern border, the Pacific spans about 165 million square kilometres—roughly forty-six percent of Earth’s water surface and thirty-two percent of the w…
Earth’s biggest reef keeps bleaching—and sometimes bouncing backQueensland’s Great Barrier Reef strings more than 2,900 reefs and 900 islands across 2,300-plus kilometres and about 344,400 square kilometres of Coral Sea. Marine parks blunt som…
Earth’s continents are locked in a rhythmic dance of assembly and inevitable breakupThe supercontinent cycle describes the periodic gathering and dispersal of Earth’s landmasses. While the exact geodynamic engines driving this rhythm remain a subject of intense s…
Earth’s deepest lake holds more fresh water than any otherLake Baikal plunges to 1,642 metres in southern Siberia, making it the world’s deepest lake and—by volume—the largest body of fresh water on Earth. Its 31,722 square kilometres of…
Earth’s deepest trench presses harder than a thousand atmospheresThe Mariana Trench, a crescent about 2,550 by 69 kilometres in the western Pacific east of the Mariana Islands, holds Earth’s deepest known seafloor at 10,935 ± 6 metres in Challe…
Earth’s largest active volcano still breathes every few decadesMauna Loa—“Long Mountain”—is one of five volcanoes building Hawaiʻi’s Big Island and Earth’s largest active volcano by mass and volume, though submarine Tamu Massif and Pūhāhonu o…
Earth’s largest country subdivision freezes past Verkhoyansk recordsSakha (Yakutia) is Russia’s largest federal subject and the world’s biggest country subdivision, holding about a million people along the Arctic Ocean in the Far East. Verkhoyansk…
Earth’s largest mangrove forest spans ten thousand square kilometresWhere the Ganges, Brahmaputra, and Meghna meet the Bay of Bengal, the Sundarbans spread about 10,277 square kilometres of mangrove, mudflat, and tidal creek—the world’s largest ma…
Earth’s largest peninsula is roughly India’s sizeThe Arabian Peninsula spans about 3.24 million square kilometres on the Arabian Plate—world’s largest peninsula, comparable to India—with nine countries sharing its deserts and co…
Earth’s magnetic field is shifting, creating a massive, radiation-prone weak spot over the Atlantic.A vast, weakening region in our planet's magnetic field is expanding rapidly, now covering a territory equivalent to nearly fifty percent of the European continent. This South Atl…- Earth’s oceans might be native, not delivered by a barrage of space rocksFor decades, scientists assumed Earth’s water arrived via asteroid impacts during our planet’s infancy. New research suggests a different story: the hydrogen required to build our…
- Earth’s second-largest island still splits two nationsNew Guinea covers about 785,753 square kilometres—the world’s second-largest island—with the planet’s third-largest remaining rainforest and unmatched island plant diversity. Torr…
- Earth’s southernmost sea hides a half-kilometre shelfThe Ross Sea, a deep Southern Ocean bay between Victoria Land and Marie Byrd Land, is the planet’s southernmost sea, named for James Clark Ross’s 1841 visit. Ice covers it most of…
- Earth’s third-largest island is split by three flags and fireBorneo spans about 748,168 square kilometres at Maritime Southeast Asia’s centre, with some 23 million residents in 2020 censuses—third among world islands. Once joined to Asia in…
Earth’s widest high plain outside Tibet sits in the AndesThe Altiplano—Quechua and Aymara Qullaw—is west-central South America’s high plain, the most extensive plateau on Earth after Tibet. Averaging about 3,750 metres, it holds Lake Ti…
Earth’s youngest ocean still carries India’s name west and eastThe Indian Ocean, third-largest of five oceanic divisions, covers about 70,560,000 square kilometres—roughly twenty percent of Earth’s water surface—between Asia, Africa, Australi…
Eartha Kitt was more than a pop icon; she was a fierce, outspoken truth-teller.Orson Welles once called Eartha Kitt the most exciting woman in the world, but her life was defined by far more than glamour. From a childhood of extreme poverty in South Carolina…
Earthquake early warning systems provide crucial seconds of notice, but they cannot predict quakes.These systems do not foresee seismic events; instead, they detect the initial ground motion of a quake already in progress. By transmitting electronic alerts faster than the destr…
Earthquake safety is not about building indestructible homes, but protecting the lives inside them.Most people assume building codes aim to prevent any structural damage during an earthquake. In reality, modern engineering prioritizes life safety over property preservation. By …
Earthquakes are inevitable, but you can take practical steps to prepare for them.Living on a planet with tectonic plates means earthquakes are a reality. This video explores how to prepare for seismic activity and what actions to take when a major earthquake o…
Earthworms are living soil mills with a tube-within-a-tube bodyEarthworms are terrestrial annelids—the larger oligochaetes—eating detritus, microbes, and algae in moist soils. A gut runs the body’s length; segments, setae, and dual fluid syst…- Earthworms use slime-filled embraces and complex biological engineering to reproduce in the soilEarthworms engage in surprisingly intimate rituals to ensure the next generation. By sidling up in opposite directions and encasing themselves in protective slime tubes, they exch…
East Africa’s mountain and savanna republic is famously densely peopledRwanda is a landlocked East African country of western mountains and southeastern savanna, with major lakes in the west and north and Virunga volcanoes on the borders. About 14 mi…
East Africa’s Rift still anchors debates on human originsEast Africa names the continent’s eastern edge—eighteen UN-listed states and four territories in one scheme, or a narrower Kenya–Tanzania–Uganda core shaped by British administrat…
East and west both come from one ancient root meaning to shine redThe English words east and west trace back to a single Proto-Indo-European root for glowing red: one for the dawn, one for the evening. South is tied to the Sun itself. And in the…
East Asia houses a fifth of humanity around a Chinese coreEast Asia as a geocultural block usually lists China, Japan, Mongolia, the Koreas, Taiwan, Hong Kong, and Macau—economies among the world’s largest. About 1.648 billion people mak…
East Baton Rouge Parish is Louisiana's most populous parish and a unique political bellwetherAs the most populous parish in Louisiana, East Baton Rouge serves as both a major urban hub and a surprising political indicator. With a consolidated government structure and a hi…
East Carolina University grew from a small teacher school into a research giantEast Carolina University began in 1907 as a modest school for training teachers on 43 acres in Greenville, North Carolina. It now spreads across nearly 1,600 acres, ranks as the s…
East Francia kept a Teutonic core inside a Roman empireMedieval writers spoke of a Regnum Teutonicum—the Kingdom of Germany—as the Holy Roman Empire's original core beside Italy and Burgundy. It grew from East Francia after Verdun, ye…
East German escapee who paints photos and pure blurBorn in Dresden on 9 February 1932, Gerhard Richter fled East Germany with his wife weeks before the Berlin Wall rose in 1961. In the West he reinvented painting as both razor pho…
East Germany vanished into an enlarged West on 3 October 1990German reunification—Deutsche Wiedervereinigung—rebuilt Germany as one sovereign state from nine November nineteen eighty-nine to three October nineteen ninety, when the German De…- East Germany's ruling party counted one in six adults as membersAt its last official count in November 1989, the Socialist Unity Party of Germany had 2,129,250 members, about 17 per cent of East German adults. Weeks later it was scrambling to …
East Java is a volcanic landscape shaped by ancient empires and fertile soilThis Indonesian province is defined by a dramatic spine of volcanic peaks and a history that stretches from prehistoric fossils to the rise of the powerful Majapahit Empire. From …
East Java’s cool highland city once named TumapelMalang—historically Tumapel—is a landlocked East Java city with roots in the Singhasari Kingdom and the province’s second-largest population. Mild climate made it a Dutch colonial…- East Nusa Tenggara: An Ancient Archipelago Shaping Indonesia’s Modern Cultural and Economic LandscapeSpanning hundreds of islands, East Nusa Tenggara is a province defined by both deep antiquity and modern administrative evolution. From the ancient remains of Homo floresiensis to…
East Tennessee is a distinct Appalachian world defined by law, mountains, and music.Spanning the eastern third of Tennessee, this region is more than just a geographic label. It is a legally defined Grand Division with a unique cultural identity, a history of Uni…
Eastbourne: From a quiet stream to a Victorian resort and a murder mysteryEastbourne began as a collection of rural hamlets surrounding a stream, but transformed into a fashionable Victorian seaside resort designed for gentlemen. Beyond its elegant arch…
Easter Island's moai were carved from compacted volcanic ashTuff is volcanic ash turned to stone, and despite its tough-sounding name it is soft enough to carve. The Romans built with it throughout Italy, and the Rapa Nui people shaped mos…
Easter Island’s stone giants were never just floating headsRapa Nui carvers shaped more than nine hundred moai between about 1250 and 1500. Heads take roughly three-eighths of each figure’s height, so buried quarry statues look head-only.…
Eastern Europe's versatile fresh cheese remains less known than it deservesQuark, a fresh dairy product from Eastern Europe, remains less known than it deserves despite regional popularity. Made by fermenting milk and straining curds, it occupies a uniqu…
Eastern India’s Bengal shore holds about a hundred millionWest Bengal, along the Bay of Bengal, counted about 91 million people on 88,752 square kilometres in 2011 and is estimated near 100.6 million by 2026—India’s fourth-most populous …
Eastern Indonesia’s biggest port wore two namesMakassar, called Ujung Pandang from 1971 to 1999, is capital of South Sulawesi and Eastern Indonesia’s largest city—Indonesia’s fifth urban centre after Jakarta, Surabaya, Medan, …
Eastwood's biggest hits starred an orangutanClint Eastwood's top box-office wins were Every Which Way but Loose in 1978 and its sequel Any Which Way You Can—not Leone's Westerns or Dirty Harry. Those icon roles still minted…
EasyJet started with 70 staff and a free building at LutonIn 1995 a young Greek-Cypriot entrepreneur borrowed from his father, set up an airline at Luton, an airport mostly used by charter flights, and sold seats far below the big carrie…
Eating disorders are mental illnesses measured in recovery oddsAn eating disorder is a mental illness marked by harmful eating patterns and body-image distress—restricting, bingeing, purging, or related behaviors. In wealthy countries, anorex…
Eating plants turned out to be harder to evolve than eating meatSwitching from insects to meat took early four-legged animals little effort. Living on tough, fibrous plants demanded a whole kit of new teeth, jaws and gut microbes. Fossils show…- Eating real meat without the slaughter: the rise of cellular agricultureIsha Datar explores how cellular agriculture offers a way to enjoy meat products like chicken nuggets without the ethical and environmental costs of industrial farming. It is a sc…
EBay's first sale was a broken laser pointer bought by a collector of themIn 1995 a programmer put up a hobby auction site, and one of its first items was a laser pointer that no longer worked. It fetched 14.83 dollars. Puzzled, the seller checked the b…
Ebla's archive age made a Syrian kingdom briefly immortalEbla rose from an Early Bronze Age village about 3500 BC into a trading power that dominated stretches of Syria. Its palace archives around 2400–2300 BC still define the site—even…
Ebola is a severe, often fatal illness that spreads through direct contact with body fluids.Ebola is not a respiratory virus like the flu or COVID-19, meaning it does not spread through the air. Instead, it transmits through direct contact with the blood, secretions, or …
Ebony and persimmons come from the same genus of 'divine fruit'The jet-black wood of fine ebony and the sweet orange persimmon both come from Diospyros, a genus of over 700 trees and shrubs. Its Greek name means roughly Zeus's wheat, or divin…
Ebrahim Raisi: The Cleric Who Rose From The 1988 Death Commissions To The PresidencyEbrahim Raisi was a central figure in Iran's judicial system, rising from a prosecutor during the 1988 political purges to the nation's presidency in 2021. Known as the Butcher of…
Ecbatana and Beyond: The Ancient Resilience of Iran's Mountainous Hamadan ProvinceNestled in the Zagros Mountains, Hamadan province is a living archive of Persian history. From its origins as the legendary Median capital Ecbatana to its role as a strategic Silk…
Ecclesiastical Latin: How a Dead Language Became the Living Voice of the ChurchEcclesiastical Latin is not merely a relic of Rome. It is a living, evolving tool that the Catholic Church has used for centuries to anchor its theology and administration. From t…
Echidnas are egg-laying mammals in a four-species clubSpiny anteaters of the family Tachyglossidae share Australia and New Guinea with the platypus as the only living egg-laying mammals. Four echidna species survive, descended betwee…
Echinoderms flip from bilateral larvae to five-part adultsStarfish, brittle stars, urchins, sand dollars, sea cucumbers and sea lilies make up the phylum Echinodermata, Greek for hedgehog skin. Their larvae swim with a left and right sid…
Echoes of the Big Bang: How sound waves shaped the distribution of all galaxiesLong before stars ignited, the infant universe was a roiling sea of plasma. Within this dense fluid, a cosmic tug-of-war between gravity and intense heat generated sound waves. Wh…
Eclampsia needs a placenta, and ends when the placenta is goneEclampsia, the seizures that can strike pregnant women with pre-eclampsia, has a puzzling requirement: a placenta. Remove the placenta and the condition resolves. Its forerunner, …
Eclipso is the ancient, malevolent entity trapped within a shattered black diamondOriginally a generic villain, Eclipso evolved into a primordial manifestation of divine wrath. This powerful entity possesses hosts through a cursed gem known as the Heart of Dark…