Intellect PlusCards starting with S
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Saturn's massive northern storm is 500 times larger than its southern rivalsA colossal atmospheric disturbance is churning through Saturn's northern hemisphere. This massive storm is the most intense ever recorded by NASA's spacecraft. It covers an area 5…
Saturn's moon Titan has rain, rivers and seas, but they are liquid methane.Titan is the only moon with a thick atmosphere, and the only place besides Earth known to have stable lakes and seas on its surface. At about −179°C, its rain and rivers are made …
Saturn's two-faced moon Iapetus hides a massive mountain range around its equatorIapetus is a celestial yin and yang, featuring one hemisphere as dark as coal and another bright as ice. This distant moon, discovered in 1671, possesses a mysterious equatorial r…- Saturn’s outermost ring is a massive, invisible cloud of debris from a captured moon.Phoebe is a strange, dark wanderer orbiting Saturn in the wrong direction. Far from being a native moon, this irregular satellite likely originated in the distant reaches of the s…
Saturnalia: The Ancient Roman Festival That Turned Social Hierarchy Upside DownEvery December, Romans abandoned their togas for colorful dinner clothes, gambled with abandon, and forced masters to serve their own slaves. This chaotic celebration of the Golde…
Satyagraha is not passive resistance; it is a powerful, active force born of truth.Coined by Mahatma Gandhi in 1906, satyagraha is often misunderstood as mere civil disobedience. In reality, it is a rigorous, nonviolent philosophy of truth-force. By refusing to …
Satyajit Ray wrote, scored, cast and edited his debut, then took CannesA Calcutta commercial artist saw Bicycle Thieves in London and went home determined to make films. His first, Pather Panchali, collected eleven international prizes. Satyajit Ray …
Saudi Arabia is redefining its religious identity by moving away from strict Wahhabi traditionsAs the birthplace of Islam and home to its two holiest cities, Saudi Arabia has long been defined by a puritanical interpretation of the faith. However, under Crown Prince Mohamme…
Saudi Arabia maintains a complex, multi-layered military structure designed for both defense and internal stability.Saudi Arabia’s military is not a single entity but a collection of independent branches reporting to different ministries. From the Royal Guard protecting the House of Saud to the…
Saudi Arabia maintains one of the world's most densely armed and best-funded militaries.Once a small force reliant on foreign expertise, the Saudi Arabian Armed Forces have transformed into a global military powerhouse. Driven by regional strategic concerns and massi…
Saudi Arabia's $500 billion bet on a post-oil futureSaudi Arabia is attempting to break the "resource curse" by pivoting from an oil-dependent economy to a global investment powerhouse. Launched in 2016, Vision 2030 aims to transfo…
Saudi Arabia's smallest province holds ancient secrets within its rugged Sarawat mountain peaksAl-Baha is the smallest province in Saudi Arabia, yet it packs a dense history of pre-Islamic tribes, legendary poets, and ancient inscriptions. From the high-altitude Sarawat mou…
Saudi Arabia’s First Natural World Heritage Site Is a Desert Oasis of Rare LifeSpanning over 12,000 square kilometers on the edge of the world's largest sandy desert, 'Uruq Bani Ma'arid is a vital sanctuary. This arid landscape, once home to extinct species,…
Saudi Arabia’s Haramain Railway connects holy cities at speeds of 300 kilometres per hourSpanning 449 kilometres across western Saudi Arabia, the Haramain High Speed Railway links the holy cities of Mecca and Medina. This engineering feat, which officially opened in 2…- Saudi Arabia’s highland heart raised the House of SaudNajd, Arabic for “highland,” is the historical centre of the Arabian Peninsula, covering most of interior Saudi Arabia between Hejaz, the Nafud, ad-Dahna, and the Empty Quarter. A…
Saudi Arabia’s legal system is a unique blend of uncodified Islamic law and royal decrees.Unlike most modern nations, Saudi Arabia treats uncodified Sharia as its supreme law. Judges wield immense discretion, interpreting ancient texts without the constraint of judicia…
Sauerkraut is not German, and its history stretches back to the Roman EmpireWhile often associated with German cuisine, this fermented cabbage dish likely originated in the Roman Empire. Far from being a mere side dish, it served as a vital winter nutrien…
Saul Alinsky: The Chicago Criminologist Who Taught Communities How to Seize Political PowerSaul Alinsky transformed activism by moving beyond individual factory strikes to organizing entire neighborhoods. By training locals to identify their own self-interests and confr…
Saul Bass transformed movie credits from static text into essential, mood-setting cinematic prologues.Before the 1950s, film titles were often projected onto cinema curtains, ignored by audiences until the movie began. Saul Bass changed this by treating the opening sequence as a v…
Sauropods were the heaviest animals ever to walk on landSauropoda—lizard-footed saurischian dinosaurs—carried very long necks and tails, small heads relative to bulk, and four pillar-like legs. Some species reached the largest sizes of…- Savannah: A Colonial Port City That Transformed Into A Modern Industrial PowerhouseEstablished in 1733, Savannah stands as Georgia's oldest city and a former colonial capital. From its origins as a strategic port for silk and cotton to its current status as a ma…
Savar: From Ancient Royal Seat to the Industrial Heart of BangladeshSavar is a city of sharp contrasts. Once the site of a legendary kingdom ruled by the Pala dynasty, it is now a critical hub in the Dhaka megacity. Today, it balances its historic…
Savigny argued Germany was not ready for a single law codeIn 1814, as Germans debated a unified legal code, a young Berlin professor pushed back. Law, Friedrich Carl von Savigny insisted, grows out of a nation's history and spirit, not f…
Saving a Renaissance Masterpiece: The Restoration of Rusconi’s VitruviusDiscover how The Met preserves a rare 17th-century edition of Vitruvius’s Ten Books on Architecture. This video follows curator Femke Speelberg and conservator Clare Manias as the…
Saving a species requires more than just good intentions; it demands precise, targeted action.When a species nears the brink, conservationists face a daunting question: how do you prioritize limited resources to prevent extinction? From the painstaking preservation of the …
Saving a species when we know almost nothing about itHow do you protect an animal that remains a mystery to science? Simon Berrow explores the plight of the basking shark and the unconventional, low-tech methods used to study and sa…
Saving ancient Sumerian history from piles of dirtThe British Museum is currently working in Southern Iraq to rescue lost treasures. This video explores how archaeologists are searching through massive mounds of debris left by ex…
Saving Madagascar's disappearing forests through the power of seed bankingSlash and burn agriculture is rapidly shrinking Madagascar's forests. Discover how the Millennium Seed Bank is partnering with local communities to preserve vital plant life and a…
Saving Sumatra’s rainforests requires a lifetime commitment to protecting rare flora and fauna species.In the heart of Sumatra, conservationists are racing against illegal clearing and poaching to protect iconic wildlife like the white-handed gibbon. By rescuing endangered plants f…
Saving the planet is now cheaper than ruining itEngineer and investor John Doerr joins climate policy expert Hal Harvey to discuss the urgent transition to a decarbonized global economy. They explore why immediate, large-scale …
Saving the world's largest Victorian glasshouse requires a massive, multi-year restoration effort.The Temperate House at Kew Gardens, a historic Victorian structure, underwent a significant five-year restoration starting in 2013. This project aimed to preserve the iconic glass…
Savion Glover treats the stage like a drum to redefine modern tap danceSavion Glover does not just dance; he plays the floor. By treating the stage as a percussive instrument, he creates a heavy, rhythmic style he calls young and funk. From child pro…
Savoy gave Italy its royal family and then became part of FranceItaly's kings came from the House of Savoy, an Alpine dynasty named after a region that now sits in France. The swap happened in 1860: to win French help in unifying Italy, Savoy'…
Savoy's capital built Italy's car industry spineTurin (Torino), Piedmont's capital, was Italy's first national capital from 1861 to 1865 after serving Savoy and Sardinian kings from 1563. GaWC ranked it a Gamma global city as o…
Saw Gerrera: The militant rebel who proved that revolution is not for the saneA central figure in the Star Wars universe, Saw Gerrera represents the brutal, uncompromising edge of resistance against the Empire. From his origins as a freedom fighter on Onder…
Sawfish swing a toothed snout—and all five species are criticalSawfish are very large rays whose long, flattened rostrum is lined with sharp transverse teeth like a saw. Some species stretch around seven to seven point six metres. They haunt …
Saxon once meant coastal raiders north of the RhineBefore Saxony was a Carolingian stem duchy in 804, Roman writers used Saxon for seaborne attackers much as later ages said Viking. The name is traditionally tied to the seax knife…
Saxony-Anhalt: A German state shaped by ancient glaciers and modern industrial rebirthLocated in east-central Germany, Saxony-Anhalt is a land of dramatic contrasts. From the flat, glaciated plains of the north to the rugged Harz mountains in the southwest, this st…- Saying you were going to Reno once meant you wanted a divorceFor much of the 20th century, telling a friend you were going to Reno meant you were ending your marriage. A 1931 law cut Nevada's residency requirement to six weeks, and that sam…
Sberbank: How a Russian Financial Giant Rebranded Its Way Into an EcosystemOnce the state savings arm of the USSR, Sberbank has evolved into a massive, state-backed financial ecosystem. Despite international sanctions and the loss of its European footpri…
SBS won Korean viewers by airing the evening news an hour earlyWhen SBS arrived in 1990 as South Korea's first new private broadcaster in a decade, it needed a way to stand out. One tactic was simply timing: its flagship bulletin went out at …
SCADA lets one control room watch pipelines, plants and railways across huge distancesA water utility may have pumps scattered over hundreds of square kilometres, some in places with no mains power at all. SCADA, short for supervisory control and data acquisition, …
Scale insects hide under wax and built dyes and lacquerScale insects are tiny hemipterans of infraorder Coccomorpha, wildly variable and extremely sexually dimorphic. Adult females are often soft, limbless blobs under domed scales, pu…
Scale-winged insects outnumber almost every other orderButterflies and moths form Lepidoptera—about one hundred eighty thousand named species, roughly eight point six percent of all described life, second only to beetles among insects…
Scaling a vertical cliff as tall as the Empire State BuildingThis expedition explores the extreme challenges of climbing a near-vertical cliff-face in Guyana, where climbers must navigate massive, loose boulders to reach the summit.
Scaling electric transit: How one engineer is transforming African public transportation systems.Doreen Orishaba shares her journey from building Africa's first electric car to operating fleets of electric buses across Kenya and Rwanda. She explains the practical realities of…
Scaling Guyana's Tepuis: A Quest to Discover Life on Isolated Sky IslandsBiologist Bruce Means leads an expedition to the summit of Weiassipu, a remote tepui in Guyana. This journey explores how teams of climbers and indigenous guides navigate sheer cl…- Scaling mental health care through the power of grandmothersIn Zimbabwe, a shortage of psychiatrists has created a massive gap in mental healthcare. This talk explores how Dixon Chibanda addressed this by turning a community resource into …
Scaling quantum systems helps reduce errors to enable reliable computingResearchers at Google demonstrated that increasing the number of physical qubits in a quantum system can actually improve its reliability. By using a method called surface code er…
Scaling up a Kethane mining operation on the surface of the MunScott Manley demonstrates the transition of his Kethane mining hardware from experimental to industrial scale. This episode covers the challenges of scaling up lunar operations an…
Scaling up breastfeeding could prevent 820,000 child deaths a yearBreastfeeding delivers milk to a baby straight from the breast or through a pump. If poorer countries brought it close to universal coverage, one estimate says they could avert ro…
Scaling up to fight a state-threatening wave of gang violenceHaiti's statehood is under threat as terrorist gangs expand their territory, turning the nation into a potential exporter of crime and drugs. To counter this, the international co…
Scallops swim by clapping shells and watch with mantle eyesScallop names many marine bivalves in family Pectinidae—and sometimes cousins in Pectinoidea. Cosmopolitan in the world’s oceans but never in fresh water, they are among the few m…
Scaly amniotes that taxonomists keep redrawingReptiles, in ordinary speech, are ectothermic tetrapods with amniotic eggs—traditionally turtles, crocodilians, squamates, and tuatara. Class Reptilia remains disputed; the lineag…
Scandinavia is still rising after shedding four kilometres of iceDuring the Ice Ages nearly four kilometres of ice pressed the Scandinavian Peninsula down into the Earth's crust. Since the ice melted, the land has been springing back at about a…
Scania began as a bicycle maker, and its griffin logo sat on a chainsetScania's griffin comes from the coat of arms of the Swedish province of Skåne, and it once sat at the centre of a three-spoke bicycle chainset, a nod to the Malmö firm's beginning…
Scania is Sweden's fertile southern province, distinct from the country's typical boreal forests.While most of Sweden is defined by cool, coniferous taiga, Scania stands apart as a flat, agricultural mosaic. Once a Danish stronghold until the 1658 Treaty of Roskilde, this pro…
Scarlet beetles eat aphids—and sometimes cropsCoccinellidae, named in 1807 from Latin scarlet, covers ladybugs or ladybirds—oval, domed beetles from 0.8 to 18 millimeters. Most hunt aphids and scale insects; some chew plants …
Scarlet fever’s rash is written by bacterial toxins from a virusScarlet fever follows a minority of strep throat or skin infections with Streptococcus pyogenes. The sandpaper rash is not from the bacterium alone: strains need bacteriophages—es…- Scarlett Johansson practised acting by staring into a mirror until she criedAs a small child in Manhattan, Scarlett Johansson rehearsed by gazing at her reflection until tears came, hoping to be Judy Garland. At seven she was crushed when an agent signed …