Intellect PlusCards starting with R
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Rediscovering the lost civilizations that shaped our worldThis compilation brings together four classic episodes exploring empires that have faded from modern memory. Through researched narratives and historical context, it revisits the …
Rediscovering the lost flavors of the 1930s Savoy cocktail eraStep behind the bar to explore a forgotten era of mixology. This video recreates a 1930 Byrrh Special Cocktail, a recipe sourced from the legendary Savoy Cocktail Book.
Rediscovering the overlooked layers of Welsh historyJourney through a travelogue that brings forgotten Welsh narratives to life, exploring historical moments that often escape the mainstream spotlight.
Rediscovering the stories behind the Medal of HonorThis collection features four classic episodes from The History Guy, offering researched insights into the history of the Medal of Honor through short, educational segments.
Rediscovering the vivid realism of Joseph Lindon Smith’s Persepolis paintingsFor the first time in over 80 years, six large-scale paintings are on public display. This video introduces a special exhibition at the OI Museum, showcasing how an accomplished A…
Reds, Whites, and collapsing fronts from 1917 to 1922The Russian Civil War tore through the former empire from 1917 to 1922 after Bolsheviks overthrew the Provisional Government in October. Nicholas II's February abdication had alre…
Reducing agents are the electron donors that drive chemistry, corrosion, and life itself.In chemistry, a reducing agent is an electron donor that fuels reactions by giving away its own electrons. From the rusting of metal to the energy production in your own cells, th…
Reduction potential measures how eagerly a chemical species will gain or lose electrons.Think of reduction potential as the chemical equivalent of pH. While pH tracks hydrogen ion concentration, reduction potential gauges a substance's affinity for electrons. It dete…
Reefs cover under one percent of ocean, host a quarter of fishHard coral structures take up under one percent of the world ocean’s surface yet shelter roughly a quarter of all marine fish species. A small healthy patch can hold hundreds of k…
Reentering Earth's atmosphere at 20,000 miles per hour is a trial by fireTo reach Mars, a spacecraft must first survive the most violent homecoming imaginable. NASA's Orion is preparing for a test that subjects its hull to temperatures nearly twice as …
Reese Witherspoon went from open-call hopeful to Forbes' highest-paid actressReese Witherspoon walked into a 1991 open casting call hoping for a bit part and left with the lead in The Man in the Moon. Three decades later she held an Oscar, an Emmy, her own…
Reese's cups were invented by a man Hershey had laid offWhen Milton Hershey closed the Round Barn dairy in 1919, its manager, H. B. Reese, lost his job. He started making sweets in his own kitchen business, coating peanut butter in his…
Refining chemical models to better predict the properties of organic solidsResearchers developed a new semiempirical method called PM7 to expand the range of molecules that can be accurately modeled in chemistry. By refining existing mathematical approxi…
Refining how economists measure shared economic trends across large groupsResearchers who study large groups of economies, such as countries or states, often face a challenge: how to measure shared trends without being too strict. A study by Pesaran exa…
Refining the patch-clamp technique for high-resolution recording of single ion channelsResearchers have refined the extracellular patch-clamp method to achieve higher resolution when recording currents from biological membranes. By developing techniques to create 'g…
Refining the visualization of quantum search through Grover's algorithmThis video revisits the explanation of Grover's algorithm, a quantum computing method. It provides a deeper look at the mathematical animation process and offers corrections to pr…
Reflecting on a challenging year to prepare for the future aheadAs 2020 concludes following the global coronavirus pandemic, this episode of NOVA Now offers a moment to reset. The program features music selections from guests and a retrospecti…
Reflecting on a decade of economic analysis and the errors made along the way.As the decade concludes, Economics Explained reviews the mistakes made in the information conveyed across its channel. This retrospective offers a transparent look at the editoria…
Reflecting on a decade of permanent human presence in orbitNASA's Bill Shepherd, the first commander of the International Space Station, looks back on ten years of continuous human occupancy and the station's role in international diploma…
Reflecting on a year of historical documentation and community support for The Great WarThis video marks the conclusion of a year covering the events of 1919. It serves as a thank you to the audience for their ongoing support, which has enabled the channel to continu…
Reflecting on fifty years of human spaceflight from orbitIn April 2011, the Expedition 27 crew aboard the International Space Station shared their perspectives on two monumental milestones in space history during interviews with the med…- Reflecting on fifty years of progress since the Civil Rights ActNASA headquarters hosted a special program to commemorate the 50th anniversary of the 1964 Civil Rights Act, examining both the milestones achieved and the ongoing struggles for e…
Reflecting on one year of documenting the history of the Great WarAfter twelve months of production, the team behind The Great War project looks back at their journey. From answering viewer questions about potential future projects to managing t…
Reflecting on the engineering implications of the recent central Texas flood tragedyThis video offers an engineer's perspective on the recent flooding in central Texas. It serves as a starting point for a necessary discussion about infrastructure and disaster, wh…- Reflecting on the errors and inaccuracies of a year in economic commentaryAs 2020 drew to a close, Economics Explained took a moment to audit its own content. This video reviews the channel's mistakes from the year, ranging from simple human errors to m…
Reflecting on the life of China's final Qing emperor through a cinematic lensThis video offers a dual perspective on the 1987 film The Last Emperor, blending a personal review of the Academy Award-winning production with a historical exploration of the mon…
Reflecting on the survival of our species and the human nicheIn this special mailbag episode, the hosts of PBS Eons gather to look back at the history of life. They reflect on their own survival experiences and address audience questions re…
Reflecting Potential: Why Black Teachers are Crucial to Student Self-PerceptionImagine a classroom where every student sees their future reflected in the people teaching them. Larry Irvin’s work at Brothers Empowered to Teach is building pathways to make thi…
Reflecting telescopes took over a century to catch on after Newton built oneIsaac Newton built a practical mirror telescope in 1668, avoiding the colour fringes that plagued lens telescopes. Yet his speculum metal mirrors were hard to make and performed p…
Reflections from orbit: a Thanksgiving message from the International Space StationAs the crew of Expedition 73 continues their long-duration mission, they share personal reflections on life and work within the microgravity laboratory, offering a unique perspect…
Reformism is the art of perfecting a system without tearing it down entirelyReformism seeks to align social and political systems with a community's ideals, distinguishing itself from radical revolution. By working within existing structures rather than r…
Refresh your home this weekend with expert contractor insights and renovation wisdomThis episode offers practical, budget-friendly home improvements you can complete in two days. Beyond quick aesthetic fixes, you will learn how to manage contractor relationships …
Refrigerated railcars turned a failing St. Louis brewery into Budweiser countryAdolphus Busch borrowed the name Budweiser from a Bohemian town his beer had nothing to do with. What made it America's first national brand was logistics: pasteurisation, mechani…
Refugee entrepreneurs are not just aid recipients; they are engines of local economic growth.Julienne Oyler of the nonprofit Inkomoko argues that displaced people can transform local economies. Instead of focusing solely on food and shelter, her team invests in refugee-le…
Refugees built a new Armenia on the Mediterranean and befriended the CrusadersDriven from their highlands by Byzantine annexation and the Seljuk advance, Armenians rebuilt a state on the Cilician coast of what is now southern Turkey. For nearly three centur…
Regal Academy reimagines classic fairy tale legends as students navigating a modern high schoolIn this Italian animated series, the grandchildren of legendary figures like Cinderella and the Beast attend a magical academy to master their ancestral powers. While they battle …
Regenerative agriculture is about restoring the living systems that sustain our food supply.This video explores how regenerative farming practices are being implemented at Waitrose Farms. It highlights the shift from focusing solely on crop yields to actively rebuilding …
Regensburg: A Roman Fortress That Became the Heart of the Holy Roman EmpirePerched on the Danube, Regensburg evolved from a strategic Roman military camp into a medieval powerhouse. It served as a vital political hub for centuries, hosting the Perpetual …
Regent's Park was financed by a builder after the Crown backed outThe Prince Regent dreamed up a pleasure garden in the 1810s, and John Nash got the credit. Yet when the Crown Estate withdrew its funding, property developer James Burton paid for…
Reggie Wayne redefined consistency as the Indianapolis Colts' most reliable wide receiver for yearsSelected in the first round of the 2001 NFL draft, Reggie Wayne spent 14 seasons with the Indianapolis Colts. He retired as one of the most prolific receivers in league history, h…
Reggie White: The Minister of Defense who redefined professional football and player agencyReggie White was more than a legendary defensive end with 198 career NFL sacks. Known as the Minister of Defense, he pioneered modern free agency, became the only player to have h…
Reggio Calabria: The Ancient Mediterranean City That Has Been Renamed Over a Dozen TimesPerched on the toe of the Italian Peninsula, Reggio Calabria is a city of constant transformation. From its origins as a Greek colony to its role as a Byzantine capital and a hub …
Regina Taylor: From Broadway Pioneer to Prolific Playwright and Cultural ChroniclerRegina Taylor broke barriers as the first Black woman to play Juliet on Broadway, but her influence extends far beyond the stage. As an award-winning actress and a prolific playwr…
Reginald Pole was a royal cousin who nearly became Pope and lost his family.As a high-ranking cardinal and the last Catholic Archbishop of Canterbury, Reginald Pole stood at the center of England's religious upheaval. A cousin to Henry VIII, his refusal t…
Regional economies tend to expand into industries technologically similar to existing onesResearchers analyzing 30 years of economic data from Sweden found that regions often diversify by branching into industries related to their existing industrial base. By tracking …
Regions are mental maps with sometimes fuzzy edgesGeographers carve Earth into regions by rock and climate, by culture, or by how people remake environments. Continents look obvious from space, yet many regional labels are concep…
Registan Square: The Heart of the Timurid Empire and a Masterpiece of Islamic ArchitectureIn the city of Samarkand lies a historic public square that once served as the commercial, educational, and ceremonial hub of the Timurid Empire. Famed for its soaring iwans, turq…
Registering a .com cost nothing at all until 1995For its first decade, the internet's .com suffix was free, run under contract for the US Department of Defense. Only in 1995 did registrants start paying, at $50 a year. By 2020 m…- Registering your company name does not actually protect your brandMany entrepreneurs believe that incorporating a business at Companies House secures their identity. This is a dangerous misconception. While you can prevent others from using an i…
Regolith is the planetary blanket that makes life possible and hides vast mineral wealth.Derived from the Greek for blanket rock, regolith is the layer of loose dust and broken material covering solid bedrock. While we often call it soil on Earth, this geological mant…
Regression first meant children of tall parents shrinkFrancis Galton coined "regression" for heights drifting toward the average. The math toolkit now fits lines and curves between outcomes and predictors. Least squares grew from tra…
Regular expressions are the secret language that allows computers to parse human text patternsA regular expression is a sequence of characters defining a search pattern. Far more powerful than simple wildcards, these patterns allow computers to identify, validate, or repla…
Regulus is a spinning, gravity-darkened king that defies simple stellar physicsRegulus, the heart of the constellation Leo, appears as a single bright point but hides a complex quadruple system. This star rotates so violently that it is nearly tearing itself…
Regurgitation is a vital survival strategy for many species, but a health concern for humans.While humans often view regurgitation as a symptom of digestive distress, for much of the animal kingdom, it is a sophisticated, voluntary mechanism. From feeding offspring to pro…
Reichsführer-SS: How a Party Title Transformed into a Tool of Totalitarian TerrorThe Reichsführer-SS began as a modest title for a paramilitary commander but evolved into a position of unchecked, lethal authority. By the end of the Second World War, the office…
Reichskommissariat Ostland: The Nazi blueprint for a Germanized empire in the EastBetween 1941 and 1945, Nazi Germany attempted to transform the Baltic states and Belarus into a permanent colonial territory. Through a brutal regime of genocide, forced Germaniza…
Reiki is a popular healing practice, but does it have any scientific basis?Reiki practitioners claim to channel a universal life force to treat ailments, yet the practice lacks any empirical evidence or plausible biological mechanism. Despite its widespr…
Reimagining the Soul and Rock Classics That Defined a GenerationSinger-songwriter Elise LeGrow performs stripped-down, intimate versions of two iconic tracks. This performance honors the legacy of early rock and soul innovators through fresh, …
Reindeer eyes turn from gold to deep blue for the Arctic winterShine a torch at a cat at night and its eyes blaze back, thanks to a mirror behind the retina called the tapetum lucidum. Reindeer take the trick further: each winter theirs shift…
Reindeer lichen is not a moss, but a hardy, slow-growing master of extreme survival.Often mistaken for moss, Cladonia rangiferina is a resilient lichen that thrives in harsh tundra and boreal forests. While it serves as vital winter forage for caribou and reindee…