Intellect PlusCards starting with D
3,445 cards. Page 39 of 58.
Didier Pironi was on the verge of becoming Formula One champion before tragedy struckA brilliant French driver, Pironi dominated the 1982 season until a horrific crash in Germany ended his career. While he survived, the accident cost him the world title by a mere …
Dido's song became a hit only after a TV finale played it wholeDido's first single, Here with Me, was flopping on radio and her label was thinking of switching tracks. Then the TV series Roswell, which already used it as its theme, played the…
Didymoteicho: The Ancient Twin-Walled City That Once Hosted Emperors and CrusadersNestled near the Greek-Turkish border, Didymoteicho has served as a strategic fortress, a royal Ottoman retreat, and a site of intense military history. From its origins as a Roma…
Die Brücke in Dresden launched German Expressionism in 1905Expressionism began as a Northern European modernist turn around 1900, twisting the visible world so feeling, not likeness, ruled the canvas. In Dresden in 1905, Ernst Ludwig Kirc…
Die casting began as a way to make printing typeThe machines that now stamp out car parts and appliance housings trace back to 1838, when die casting was invented to produce movable type for printers. By forcing molten metal in…
Die Hard was a risky, low-budget gamble that redefined the modern action hero archetype.Before it became a holiday staple, Die Hard was a controversial project. Studio executives doubted Bruce Willis, a television actor, could carry a blockbuster. Yet, by subverting …
Diego de Losada founded Caracas on midsummer day 1567Caracas—officially Santiago de León de Caracas—is Venezuela’s capital and largest city, stretched along the Guaire River near the Caribbean hinterland. Captain Diego de Losada lai…
Diego de Montemayor founded a northern Mexican forgeMonterrey, capital of Nuevo León, anchors northern Mexico’s industrial metro and rates among the country’s most livable cities. Continuous settlement begins with Diego de Montemay…
Diego Forlan chose football to help pay for his injured sister's careAs a boy in Montevideo, Diego Forlan was as serious about tennis as football. Then in 1991 a car crash left his sister Alejandra disabled, and medical bills pushed the family into…
Diego Sanchez: The Ultimate Fighter who redefined resilience in the octagonFrom winning the inaugural season of The Ultimate Fighter to competing across four different weight classes, Diego Sanchez became a fixture of mixed martial arts. Known for his re…
Dielectric nanoparticles offer a low-loss way to manipulate light and magnetic fieldsResearchers who study nanophotonics have identified a new way to control light using dielectric nanoparticles with high refractive indices. While most light-manipulation technolog…
Diesel engines ignite fuel by squeezing air too fast for heat to escapeA diesel engine has no spark plugs. It compresses air in its cylinders so quickly that the heat generated has no time to leak away, and the temperature climbs high enough to ignit…
Diesel fuel was never intended to be a coal-dust engine fuelWhile Rudolf Diesel invented his namesake engine in 1892, he famously claimed it could run on any fuel. Though he experimented with coal dust, the engine was never designed for it…
Dieselgate: how Volkswagen taught its engines to recognise a test and behaveVolkswagen's diesel cars were clean only when they knew someone was watching. Software sensed a laboratory test and switched on full pollution controls, then let nitrogen oxides p…
Diet additives may help regulate gut bacteria and reduce antibiotic use in poultryA review of poultry nutrition research examined how prebiotics, probiotics, and plant-derived compounds such as curcumin, resveratrol, and carvacrol affect gut bacteria. The autho…
Diet means everything you eat—not only a weight planIn nutrition science, diet is simply the sum of foods an organism consumes. Popular speech shrinks the word to temporary restriction, yet complete nutrition still demands vitamins…
Dietary choices reveal the secret lives of prehistoric giantsWhat did the dinosaurs actually eat? This video explores five specific dinosaur meals to reveal how their diets shaped their behavior, biology, and daily existence.
Dietary fiber can support gut health and growth in poultryA review of existing research shows that while dietary fiber was once viewed as a nutritional hindrance in poultry, it actually plays a vital role in digestive health. The researc…
Dietary flexibility and social cooperation likely drove early human evolutionResearchers who analyzed the fossil record of early Homo found that our ancestors' success was driven by more than just adapting to dry grasslands. Instead, their ability to navig…
Dietrich Bonhoeffer: The Theologian Who Risked Everything to Oppose the Nazi RegimeDietrich Bonhoeffer was a prominent German Protestant theologian who transitioned from academic life to active resistance against Adolf Hitler. His journey from a scholar of syste…
Different grain energy sources produced similar growth in broiler chickensResearchers studying broiler chickens found that switching between maize, sorghum, and millet as primary energy sources in starter diets did not significantly alter growth perform…
Different protein measurement platforms can yield different results for disease researchResearchers comparing two major protein measurement technologies found that they do not always agree. By analyzing plasma from over 50,000 UK Biobank participants alongside data f…
Different types of motivation lead to different student outcomesA meta-analysis of 344 samples involving 223,209 participants found that the nature of a student's motivation significantly shapes their success. While intrinsic interest supports…
Different types of work motivation impact performance and well-being in distinct waysA meta-analysis of 124 different studies found that not all forms of motivation are created equal. While intrinsic motivation—doing something for its own sake—is the strongest dri…
Differential calculus studies rates; integrals study totalsDifferential calculus focuses on derivatives, differentials, and how fast quantities change. Paired with integral calculus through the fundamental theorem, it turns secant slopes …
Differential geometry gave Einstein the language of curved spacetimeDifferential geometry studies smooth shapes and spaces, called manifolds, using vector calculus and linear and multilinear algebra. It grew from ancient measurements of a spherica…
Differential operators transform functions into new functions using the machinery of calculusAt their core, differential operators are higher-order functions that accept a mathematical function and return another. By combining derivatives into polynomial-like structures, …
Digestion starts before the first bite, with the sight of foodYour stomach begins preparing for a meal the moment you see or smell it, releasing juices before anything reaches your mouth. From there, food travels a tube roughly nine metres l…
Digestive cancers account for over one-third of all cancer deathsWhile many focus on high-profile malignancies, the digestive system harbors some of our most persistent health threats. These cancers are not just common; they represent a massive…
Digicore is the sound of internet-native teenagers crafting music from their bedroomsBorn in the late 2010s, digicore is a microgenre defined by its digital roots and DIY spirit. Emerging from Discord servers and SoundCloud collectives, this trap-influenced sound …
Digit comes from fingers—and base decides how many you needA digit is one symbol in positional notation, like 0–9 in everyday base ten. Latin digiti meant fingers. Binary needs only 0 and 1; hexadecimal borrows letters up to F because six…
Digital archeology brings historic DEC PDP computers back to life on modern hardwareThe Obsolescence Guaranteed team is preserving computing history by making vintage DEC PDP systems accessible on modern, affordable hardware like the Raspberry Pi. This video expl…
Digital cash was dreamed up a quarter century before bitcoin arrivedIn 1983, long before bitcoin, cryptographer David Chaum conceived of ecash, a form of encrypted electronic money that third parties could not trace. He launched it through a compa…
Digital cognitive behavioral therapy shows effectiveness for adolescent anxiety and depressionResearchers who conducted a systematic overview of existing meta-analyses found that computerized cognitive behavioral therapy can be effective for treating anxiety and depression…
Digital communication tools are linked to higher innovation and productivity in small firmsA survey of 711 manufacturing micro and small enterprises in Johannesburg, South Africa, found that specific digital communication technologies are associated with better business…
Digital economy development drives greener productivity by upgrading industrial structuresA study of 286 Chinese cities from 2011 to 2019 found that the growth of the digital economy significantly improves green total factor productivity. The research suggests that thi…- Digital economy growth boosts regional productivity through technological progressResearchers analyzing 30 Chinese cities between 2015 and 2019 found that a growing digital economy significantly enhances high-quality economic development. By examining three key…
- Digital economy growth drives green innovation across Chinese citiesA study of 278 Chinese cities from 2011 to 2019 found that the expansion of the digital economy helps boost green innovation. Researchers observed that this growth works indirectl…
- Digital economy growth promotes high-quality economic development through technological innovationResearchers studying 30 Chinese provinces from 2011 to 2019 found that the digital economy promotes high-quality economic development. The study observed that technological innova…
Digital efforts struggle to capture the living essence of intangible cultural heritageA review of recent digital heritage research found that most technological advancements remain focused on physical objects. While digital tools are increasingly used to safeguard …
Digital financial inclusion helps reduce poverty in developing Asian nationsA systematic literature review found that developing countries, particularly in Asia, are increasingly adopting digital financial services to help alleviate poverty. While the COV…
Digital forensics is the science of turning hidden electronic data into legal truthEvery swipe, click, and stored file leaves a trail. Digital forensics is the specialized practice of recovering and analyzing this evidence to support legal and business decisions…
Digital game-based learning boosts student engagement and motivation over traditional methodsResearchers who compared different online learning tools found that using digital games significantly improves how students engage with and feel motivated by their coursework. By …
Digital games can improve learning achievement in STEM subjectsA meta-analysis of 33 studies involving 3,894 students found that digital game-based education contributes to a moderate increase in learning achievement compared to other instruc…
Digital health tools depend on a complex web of social and personal factorsA narrative review of digital health literature suggests that the acceptability of health interventions is not a simple, static trait. Instead, researchers found that acceptabilit…
Digital humanities: How computers are unlocking the deepest questions of human cultureDigital humanities is not just about digitizing old books. It is a field where scholars use advanced computation to explore history, art, and literature in ways previously impossi…- Digital interventions show promise for treating depression compared to standard careA meta-analysis of 83 studies involving 15,530 participants found that digital interventions for depression are associated with a significant medium effect size compared to contro…
- Digital layers are rewriting who belongs in our public squaresAugmented reality is evolving into a powerful instrument for social justice and advocacy. By placing digital stories over physical locations, activists can highlight marginalized …
Digital learning features can increase cognitive load while still improving learning outcomesResearchers reviewing educational psychology found that certain digital learning elements, such as interactivity and realism, can increase task-irrelevant cognitive load. While tr…
Digital restoration reveals the original colors of Leonardo da Vinci's masterpiece, the Mona LisaFor centuries, the Mona Lisa has been obscured by layers of aged varnish, masking the vibrant intent of Leonardo da Vinci. Now, an engineer has utilized advanced imaging technolog…
Digital rights management turns your purchased goods into rented, temporary, and fragile digital assets.Digital rights management (DRM) governs how you access, modify, and distribute copyrighted works. While copyright holders argue these tools protect intellectual property, they oft…
Digital security for critical infrastructure is no longer a matter of keeping secrets.Modern life relies on digital systems for water, electricity, and transportation. This video examines the risks of infrastructure hacking and explains why relying on obscurity to …
Digital software is revealing ancient African rock art invisible to the human eye.Ancient African rock art is fading, with some works nearly lost to time. British Museum curator Elizabeth Galvin uses digital photography and specialized software to recover these…
Digital terrestrial television is the silent backbone of global broadcasting, serving over 160 countries.While streaming services dominate the conversation, digital terrestrial television remains a vital, resilient infrastructure. By transmitting signals through radio frequencies, it…
Digital tools are transforming how farmers monitor livestock in pasture-based systemsA literature review of precision livestock farming technologies found that tools like GPS, accelerometers, and radio frequency identification tags are increasingly used to monitor…- Digital tools like email and smartphones are linked to increased workplace stressAn integrative review of 194 studies found that digital workplace technologies can have unintended negative consequences. Researchers observed that certain tools, specifically ema…
Digital tools may boost student engagement by satisfying core psychological needsA study of 426 Grade 11 students found that digital support can be more effective than teacher support at fostering engagement in blended learning environments. By addressing the …- Digital tools show promise for treating various mental health conditionsA systematic meta-review of 304 studies published between 2010 and 2021 found that digital health interventions, such as computerized therapy and asynchronous communication, appea…
Digital Underground's cartoonish funk launched Tupac Shakur as a backup dancerBefore he became one of rap's biggest names, Tupac Shakur was a dancer and hype man for an Oakland group whose leader rapped as a big-nosed alter ego called Humpty Hump. Digital U…
Digital universes as catalysts for real-world human connectionMinecraft's game director Agnes Larsson explores how building and sharing metaverses creates more than just entertainment. This video examines the potential of virtual worlds to f…