Intellect PlusCards starting with M
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Marriage and divorce rates are plummeting, but the reasons are far from simpleAcross OECD nations, marriage rates have shifted significantly since 1990, while the average age of first marriage has climbed by nearly a decade. As cohabitation becomes a standa…
Marriage is not a static institution but a constantly evolving social and legal arrangement.Alex Gendler explores how the concept of marriage has shifted across diverse cultures and eras. This video examines the varied definitions of union, from historical practices like…
Marriage laws are shifting, but the definition of a spouse remains globally diverseA spouse is more than a partner; they are a legal status defined by shifting rights and obligations. While modern statutes increasingly favor gender equality, the reality of marri…- Marriage was not always about love; it was a tool for survival and powerFor most of human history, marriage functioned as a strategic mechanism for organizing labor, consolidating wealth, and securing political alliances. Far from the romantic ideal w…
Marriage's English word arrived from Old French around 1300Wedlock, matrimony, marriage—the labels name a culturally and often legally recognized pairing of spouses that creates rights and obligations between them. Forms vary with religio…
Married at seventeen, Ellen Johnson Sirleaf became Africa's first elected woman presidentEllen Johnson Sirleaf married at seventeen, raised four sons and kept books for a car-repair shop. She went on to earn a Harvard public administration degree, survive a ten-year p…- Marrying within the group can fool a DNA test into seeing closer cousinsConsumer DNA tests estimate kinship by how much genetic material two people share. In communities where people have married within the group for generations, family trees loop bac…
Mars breathes in and out, shifting trillions of tons of gas every single year.The Martian atmosphere is a thin, carbon-dioxide-heavy shell that undergoes a dramatic seasonal transformation. As temperatures plummet at the poles, massive amounts of gas freeze…- Mars has a crust that is likely older than its surfaceResearchers using seismic data from NASA's InSight mission have established the first direct measurements of how thick the Martian crust actually is. By combining these local find…
Mars has a volcano so wide you couldn't see its summit from its slopes.Olympus Mons on Mars rises more than 21 kilometres, roughly two and a half times the height of Everest, and covers an area about the size of Italy. Its slopes are so gentle and br…
Mars has been living through its own epic planetary saga for billions of years.While Earth developed its own natural history, our neighbor Mars was undergoing a massive transformation of its own. This video explores the long-term geological and environmental…
Mars hosts active sand dunes that migrate across the red landscapeWhile Earth is the only other place in the solar system known to have active dunes, NASA's Curiosity rover has discovered something extraordinary. It has made an unscheduled stop …
Mars is a mirror of Earth, shaped by familiar forcesDespite its dusty, frozen exterior, Mars shares a striking geological lineage with our own world. From volcanic eruptions to flash flooding, the Red Planet was sculpted by the sam…
Mars is hiding secrets two meters beneath its radiation-scorched surfaceWhile most Mars missions focus on the dust and rocks of the exterior, a new strategy aims deeper. By drilling down to 6.6 feet, scientists hope to find organic molecules shielded …
Mars is losing its atmosphere at a rate of one quarter pound per secondThe Red Planet is slowly bleeding into the void. NASA's MAVEN mission has revealed that the solar wind is stripping away Martian gas at a steady, relentless pace. This atmospheric…- Mars is losing its northern ice cap through constant, massive, and widespread ice avalanches.For years, scientists believed the Martian north polar ice cap eroded primarily through slow sublimation. New high-resolution imagery reveals a more violent reality: the ice is ac…
Mars is not a dead world; its surface is constantly shiftingWhile we often think of Mars as a static, frozen wasteland, it is actually geologically active. From massive landslides in the polar regions to creeping waves of volcanic ash, the…
Mars is not geologically dead; it still tremblesWhile we often think of Mars as a frozen, static wasteland, the Red Planet actually experiences internal movements similar to our own world. Thanks to recent data from lander miss…
Mars is the only planet in our solar system inhabited entirely by robots.For decades, NASA has deployed increasingly sophisticated rovers to the Red Planet. These autonomous explorers have transformed our understanding of Mars from a barren, frozen des…- Mars is wrapped in a massive, invisible electric circuit that strips away its atmosphereUnlike Earth, Mars lacks a global magnetic field to shield it from the solar wind. Instead, the planet acts like a metal sphere, closing an electric circuit that pulls charged par…
- Mars lost its surface water by trapping it deep within its own crustResearchers who modeled the geological history of Mars found that the planet likely dried up because its water became chemically locked inside the ground. While ancient Mars once …
- Mars may owe its lopsided face to a Pluto-sized collisionThe northern half of Mars is low and smooth, the southern half high and battered by craters. One explanation is a strike by a body the size of Pluto some four billion years ago, w…
- Mars may still host liquid water flows in its warm seasonsFor decades, Mars was considered a frozen desert where water vanished billions of years ago. However, new data from NASA's Mars Reconnaissance Orbiter suggests the Red Planet migh…
Mars might be breathing: the hunt for atmospheric methaneIs there life—or at least chemistry—hiding in the Martian air? The ExoMars mission is hunting for trace gases like methane, which could signal geological activity or even microsco…
Mars once hosted fresh water lakes and a functioning carbon cycleThe Red Planet was once more than a frozen wasteland. New analysis of rock powder from the Curiosity rover reveals a past featuring fresh water lakes—not salty or acidic—and a cli…
Mars rocks hold rounded secrets of a vigorous ancient riverCuriosity rover has uncovered something rare on the Red Planet: well-rounded pebbles cemented into hard rock layers. Unlike the jagged debris covering most of the surface, these s…
Mars rover finds igneous rocks on Jezero crater floor altered by ancient waterResearchers analyzing data from the Perseverance rover have found that the floor of Mars' Jezorp crater is composed of igneous rocks that were chemically changed by water. The stu…- Mars rover images reveal an ancient lake and powerful flood depositsResearchers analyzing images from the Perseverance rover's first three months on Mars found that Jezero crater once hosted a complex water system. The data shows a transition from…
- Mars' mysterious yardangs may hold secrets from ancient volcanic eruptionsDeep within Gale Crater, a rover is ascending a mountain of stacked geological layers to solve a Martian mystery. Scientists are eyeing a peculiar, tilted formation that looks alm…
Mars's ancient lakes may have held the keys to lifeScientists are looking past the red dust to find a history of liquid water. Recent findings in the Jezero Crater suggest that Mars once hosted calm lakes, leaving behind mudstones…
Mars's doomed moon Phobos is a porous rubble pile spiraling toward a violent end.Phobos, the larger of Mars's two moons, is a jagged, low-density object that orbits closer to its planet than any other known satellite. It is rapidly spiraling inward, destined t…
Marsh blackbirds that may outnumber every other land birdRed-winged blackbirds (Agelaius phoeniceus) breed from Alaska through much of North and Central America. Winter censuses sometimes find loose flocks so huge that writers call them…
Marsh plants breathe through built-in snorkels running down their stemsRooted in waterlogged mud with almost no oxygen, marsh plants such as cattails and sedges survive by piping air from their leaves down to their roots through internal channels. Th…
Marsha P. Johnson was the radical heart of the gay liberation movement in New YorkOften erased from history, Marsha P. Johnson was a black trans woman who became a foundational figure in the fight for LGBTQ+ rights. As a self-proclaimed drag mother, she provide…
Marshal Ivan Konev: The Ruthless Architect of Soviet Military Victory and Cold War SuppressionAdmired by Stalin for his cold-blooded efficiency, Ivan Konev rose from a peasant background to become a pivotal Soviet Marshal. He mastered the art of deception on the Eastern Fr…
Marshall McLuhan foresaw a web of connected minds decades before the internetA Canadian English professor who wrote about Thomas Nashe gave us the phrases the medium is the message and the global village. Marshall McLuhan was a celebrity in the late 1960s,…
Marsupial brains evolved their own neuron patterns, not just ancestral onesResearchers who studied the brains of 10 marsupial species found that while basic scaling relationships are shared with eutherian (placental) mammals, Australasian marsupials have…
Märta Tikkanen: The Finnish Writer Who Challenged Social Norms Through Her Literary CareerBorn in Helsinki in 1935, Märta Tikkanen emerged as a prominent Swedish-speaking Finnish author and educator. Beyond her academic achievements and roles in journalism, her work fa…
Marta was the first woman to leave footprints in Maracanã's cementIn July 2007, Marta scored twice at Rio's Maracanã stadium to beat the United States and win the Pan American Games before 68,000 fans. Afterwards her footprints were pressed into…
Martha Argerich feels lonely playing solo, so she mostly stoppedMartha Argerich is often called one of the greatest living pianists, yet since the 1980s she has rarely given solo recitals. She has said she feels lonely alone on stage. Instead …
Martha Nussbaum asks one blunt question of every society: what can people do?The philosopher Martha Nussbaum helped build the capabilities approach, which judges a society by what each person is actually able to do and to be. Her list runs from life and bo…
Martha of Bethany: The Biblical Hostess Who Became a Symbol of Faith and ServiceOften remembered as the busy sister distracted by household chores, Martha of Bethany is a complex figure in the Gospels. Beyond her domestic role, she emerges as a bold, articula…
Martha's Vineyard once threatened to leave Massachusetts and join HawaiiIn 1977, angry at losing their guaranteed seat in the state legislature, residents of Martha's Vineyard talked seriously about seceding. Vermont and Hawaii both offered to take th…
Martial arts are more than combat; they are a path to spiritual unityWhile often viewed as mere fighting systems, East Asian martial arts are deeply rooted in Daoism and Zen Buddhism. This philosophical foundation transforms physical movement into …
Martial law is a legal ghost that replaces civilian rule with military authorityWhen a government suspends civil law to install military control, it often relies on the doctrine of necessity rather than explicit constitutional permission. Though theoretically…
Martian mini-twisters: The atmospheric engines driving the Red Planet's weatherWatch a larger Martian dust devil consume a smaller one in a rare atmospheric interaction. These convective vortices are more than just visual spectacles; they are critical driver…
Martin Bormann: The Shadowy Bureaucrat Who Controlled Hitler's Inner Circle and Domestic PolicyAs Hitler's private secretary, Martin Bormann became the gatekeeper of the Third Reich. By controlling access to the Führer and managing the flow of information, he effectively si…
Martin Buber split all human relating into two words: I–Thou and I–ItIn 1923 Martin Buber argued that we meet the world in two basic ways. Treat a person as an object to use or analyse, and you live in I–It. Meet them wholly, as a presence rather t…
Martin Crowe fell one run short of a triple centuryIn Wellington in 1991, New Zealand trailed Sri Lanka by 323 runs on first innings. Captain Martin Crowe batted for over ten hours and reached 299, the highest score ever by a New …
Martin Luther King Jr. was born Michael, renamed after his father's trip to GermanyThe boy born in Atlanta in 1929 was Michael King Jr. In 1934 his father, a Baptist pastor, travelled to a church congress in Berlin, toured sites linked to the reformer Martin Lut…
Martin Luther King Jr. was originally named Michael King Jr. at his birth.Discover the origin of the name Martin Luther King Jr. and the historical figure who inspired his father to change both their names in 1931.
Martin Luther saw Ethiopia's ancient church as a forerunner of ProtestantismMore than a thousand years before European missionaries reached the Horn of Africa, the kingdom of Aksum had adopted Christianity. Its church, now the largest of the Oriental Orth…
Martin Luther’s Bible was a linguistic revolution, but it was never meant for the masses.While often credited with bringing scripture to the common person, Luther’s Bible was actually a high-priced luxury item. Beyond its theological impact, the translation served as …
Martin Parr captured the absurdity of modern life through a hyper-saturated, microscopic lensMartin Parr transformed documentary photography by trading muted tones for aggressive, vivid color. By placing his subjects under a metaphorical microscope, he exposed the inadver…
Martin Scorsese spent over 25 years bringing his passion project Silence to the screenA harrowing exploration of faith and apostasy in 17th-century Japan, Silence was a decades-long obsession for Martin Scorsese. Despite critical acclaim and intense preparation fro…
Martin Scorsese spent twenty years bringing the brutal, forgotten history of New York to life.The production of Gangs of New York was as tumultuous as the 19th-century street wars it depicted. From a two-decade development cycle to a massive, custom-built set in Rome, the …
Martin Scorsese traded his signature street-level grit for the suffocating elegance of 1870s New York.Known for modern crime dramas, Scorsese surprised critics in 1993 by adapting Edith Wharton’s novel of repressed longing. The film explores a society where elite families policed …
Martin Scorsese's love letter to cinema became an unlikely and expensive box-office bombHugo, a 2011 adventure drama, was Martin Scorsese’s first foray into 3D filmmaking. While critics hailed the visually stunning masterpiece for its heartfelt tribute to early cinem…
Martin Scorsese’s 1977 musical homage was a chaotic, drug-fueled, and expensive studio gambleMartin Scorsese attempted to reinvent the 1950s Hollywood musical by blending it with a gritty, documentary-style approach. The result, New York, New York, was a visually stylized…
Martina Big and the pursuit of extreme physical transformation through medical and cosmetic interventionBorn in West Germany, the television personality known as Martina Big has captured global attention for her radical physical modifications. From achieving the largest breast impla…