Intellect PlusCards starting with D
3,445 cards. Page 46 of 58.
Do we have a moral obligation to reengineer humanity for life among the stars?Life on Earth faces an inevitable expiration date, from catastrophic war to the eventual death of our sun. Geneticist Christopher Mason argues that our unique awareness of this fa…
Do we owe our parents anything once we reach adulthood?This video explores the moral weight of family ties, examining whether children have inherent duties to their parents. It balances traditional obligations against modern ethical f…
Do we root for the underdog, or just enjoy seeing the favorite fail?We love a victory against the odds, from sports legends to cinematic heroes. But psychological research suggests our sympathy for the disadvantaged might actually be driven by a d…
Do we rule over nature or collaborate with it?Creation myths are more than ancient stories; they reveal how different cultures perceive our place in the physical world. This video explores the fundamental tension between huma…
Do weight-loss drugs actually save employers money on healthcare costs?Employers are divided on whether covering GLP-1 medications like Wegovy and Zepbound will reduce long-term medical expenses. This episode examines the financial logic behind these…
Do you actually deserve your talents, or was it just luck?We often believe our successes are earned through merit alone. However, some of the world's most influential philosophers argue that our greatest assets—intelligence, athletic abi…
Do you actually understand how the modern web works?Navigating clients, servers, databases, and the cloud can feel overwhelming. This presentation offers a simple mental model to help you understand how these components fit togethe…
Do you and I actually share the same moment of now?While checking your watch makes the concept of time seem straightforward, the reality is far more complex. This video investigates whether a universal present exists by bridging E…
Do you control your life, or does fate? The psychology of your personal locus.Locus of control defines whether you believe your life outcomes result from your own actions or from external forces like luck, fate, or powerful others. Developed by Julian B. Ro…
Do you have a celestial companion watching over your every step and decision?Across centuries and cultures, the concept of a personal guardian angel has persisted as a source of comfort and guidance. From ancient theological debates to modern spiritual pra…
Do you know the full names of your favorite fictional characters?In this episode of Mental Floss, John Green explores the identities of 44 popular characters. Discover the surprising full names behind icons like the Pillsbury Doughboy, Snuffleu…
Do you know the true cost of your paycheck?Navigating the modern workplace requires more than just hard work. This video breaks down essential employment terminology, helping you understand your legal rights regarding pay …- Do you need a PhD to unlock the secrets of the universe?While we often associate scientific breakthroughs with famous researchers in laboratories, history shows that significant discoveries can emerge from unexpected places. This video…
- Do you need a professional to manage your investments or can you go solo?Deciding between managing your own portfolio or hiring a professional is a common dilemma for new investors. This video explores the considerations for those weighing the benefits…
Do you need sunscreen even when you are indoors?We often associate sunburns with the beach, but you might need sun protection more often than you realize. This video explores whether windows provide enough protection to prevent…
Do you possess a mind within a body, or a body within a mind?This video explores the tangled relationship between our physical, biological parts and our conscious, thinking aspects to investigate which one truly defines the self.
Do you really have funky dreams if you eat cheese before bedtime?Dreams are often surrounded by myths, from the fear of dying in your sleep to the belief that late-night snacks dictate your subconscious. This video explores common misconception…
Do you really need mountains of compost to grow a thriving vegetable garden?Charles Dowding shares insights from four decades of organic gardening, addressing common anxieties about how much compost is required for a no-dig system. He explains why surface…
Do you really need special seed compost to grow healthy, thriving garden seedlings?Many gardeners assume that delicate seeds require expensive, specialized compost to germinate successfully. However, Charles Dowding suggests that standard multipurpose potting co…
Do you really need that extended car warranty? Understand how coverage limits actually work.New vehicles typically include bumper-to-bumper and powertrain warranties that address manufacturing defects. This video clarifies how these protection plans operate, specifically…
Do you really need to fold egg foams, or is mixing enough?The traditional culinary rule demands folding egg whites into batters to maintain aeration. This video examines whether such gentle handling is truly necessary, demonstrating that…
Do you really need to keep your car engine running while waiting?Many drivers believe restarting a car consumes as much fuel as several minutes of idling. This video examines the actual fuel consumption of idling versus engine restarts, using d…
Do you really only use ten percent of your brain? The answer is no.For over a century, a persistent myth has claimed humans only utilize a fraction of their brain capacity. Richard E. Cytowic explains why this is false, detailing how our brains e…
Do your most annoying habits actually serve a hidden purpose?From cracking your knuckles to biting your nails, many common habits are often viewed as negative. This video explores whether these behaviors might actually offer surprising bene…
Do-re-mi comes from a medieval hymn to John the Baptist.Around a thousand years ago, an Italian monk called Guido of Arezzo was tired of singers spending years memorising chant. He helped develop the musical staff and taught with sylla…
Doctors diagnose by elimination, treating each possible disease as a hypothesisWhen a patient arrives with a cough, a clinician does not jump straight to an answer. They draw up a list of conditions that could produce the same signs, rank them by likelihood …
Doctors first split strokes into leaks and plugs back in 1823A stroke is either a plug, where blood flow is blocked, or a leak, where a vessel bursts inside the brain. That distinction dates to 1823. The leaks, called intracerebral haemorrh…
Doctors gave Irving Thalberg until thirty; he ran MGM at twenty-sixBorn with a heart defect that doctors expected to kill him young, Irving Thalberg answered a newspaper advert asking fifteen dollars a week for secretarial work. Within a few year…- Doctors grade dangerous blood loss using the scoring of a tennis matchLose under 15 percent of your blood volume, then 15 to 30, then 30 to 40, then more than 40: those four bands of hypovolemic shock echo tennis scores of 15, 30 and 40. Hypovolemia…
Doctors kept bleeding patients for two centuries after Harvey disproved the ideaFor over 2,000 years, draining blood was medicine's default treatment. William Harvey undercut its theory in 1628, and by the 1830s careful counting showed it did nothing for pneu…
Doctors use lorazepam partly because it stops you remembering the procedureMost drugs list memory loss as a drawback. With lorazepam, sold as Ativan, it is sometimes the point: given before endoscopies or dental work, it calms patients and blocks memorie…
Doctors who diagnose without hearing complaintsVeterinarians perform the same surgeries, make the same diagnoses, and manage the same diseases as human doctors—but their patients cannot describe symptoms. This fundamental diff…
Documenting nomadic life in Mongolia at the turn of the millenniumIn 2000, researchers captured unedited footage of Mongolian nomads to provide a contemporary view of life on the steppes. This archive offers a rare, ground-level perspective on t…
Documenting the daily lives of modern Mongolians in the year 2000In 2000, researchers captured raw footage of life across the Mongolian steppes to prepare for a major museum exhibition. This collection offers a rare, unedited glimpse into the d…
Documenting the rapid fall of Afghanistan through a photographer's lensWitness the multifaceted realities of a nation in transition. Documentary photographer Kiana Hayeri captures the profound impact of the Taliban's sudden takeover following two dec…
Documenting the voices of modern Mongolia at the turn of the millenniumIn 2000, researchers traveled to the Mongolian steppes to capture the lived experiences of its people. This footage, featuring an interview with R. Burmaa regarding women's organi…
Documenting traditional Cypriot crafts in 1969: basketry, weaving, and complex pottery techniques.This archival footage from 1969 captures vanishing rural crafts in Cyprus, including basket weaving, traditional loom work, and the intricate construction of multi-vessel clay pot…
Dodecanol is a versatile fatty alcohol that transforms from crystal to liquid at room temperature.Known by many names, including lauryl alcohol, this colorless substance is a staple of industrial chemistry. While it appears as a solid in cooler environments, it melts into a th…
Does 'Correct' Mean Anything Without a Formal Specification?Software reliability is paramount, yet declaring a system 'correct' is impossible without a rigorous standard. Formal specifications provide the mathematical scaffolding to define…
Does 'knowing' change depending on who is asking and where?In a cafe with friends, you know your hands exist. In a philosophy seminar, that certainty vanishes. This isn't a psychological trick; it might be a linguistic reality called cont…
Does 'T' Stand for Total Abstinence, or Something More Profound?The concept of total abstinence, or teetotalism, has deep roots across cultures and faiths. But the very name suggests a simple linguistic trick. Discover the debated origins of t…
Does a biographical drama capture the heavy toll of leadership during wartime crisis?The 2023 film Golda explores the intense pressure faced by Israel's fourth prime minister during the 1973 Yom Kippur War. Starring Helen Mirren, the biographical drama examines th…
Does a biographical film about a political scandal owe more to truth or drama?The 2010 film Fair Game dramatizes the outing of CIA operative Valerie Plame and the subsequent clash between her husband, diplomat Joseph C. Wilson, and the Bush administration. …
Does a biographical film about J.R.R. Tolkien capture the magic of his life?The 2019 biopic Tolkien explores the formative years of the legendary author, tracing his childhood, academic struggles, and the wartime experiences that shaped his imagination. W…
Does a black hole permanently destroy the universe's information?When matter enters a black hole, does its fundamental data vanish forever? This video uses the classic thought experiment of Alice and Bob to explore the deep connection between s…
Does a butterfly's wingbeat actually trigger a tornado?The 'butterfly effect' suggests a tiny flap of wings could cause a storm. This video explores how butterflies can indeed influence weather, though perhaps not in the dramatic way …
Does a Chicago winter really destroy your electric vehicle's driving range?Winter weather significantly impacts electric vehicle performance. This video examines real-world range loss in a Chevy Bolt EV during cold conditions, providing a practical look …
Does a child’s imagination hold the power to commit murder in this Spanish masterpiece?Carlos Saura’s 1976 psychological drama explores the blurred lines between childhood trauma and reality. Through the eyes of eight-year-old Ana, the film weaves memories and imagi…
Does a cold air intake actually boost your engine's horsepower?This video examines the theoretical relationship between air temperature and engine power, exploring how changing the temperature of the air entering your engine might influence p…
Does a college degree actually increase your skills or just signal your potential?This video explores why American wages vary so significantly, focusing on the role of human capital versus the signaling power of education. It examines whether degrees represent …
Does a college degree pay off for students without legal work authorization?For most, college is a reliable path to higher earnings despite rising tuition costs. But for undocumented students, the financial calculus is complicated by uncertainty regarding…- Does a corporation's primary purpose belong to shareholders or its workers?In this TED Talk, filmmaker Abigail Disney argues that dignity and living wages are fundamental rights for every worker, rather than optional privileges for a few.
Does a country exist if nobody recognises it? International law has two answersUnder the constitutive theory, developed in the nineteenth century, a state becomes a person in international law only when at least one other state recognises it. The rival decla…
Does a disaster thriller succeed when it prioritizes human bonds over explosive action sequences?Ladder 49 follows a Baltimore firefighter trapped in a burning warehouse, reflecting on his career and personal life as his unit attempts a rescue. While critics debated whether t…
Does a distinct American way of war actually exist?Following the conflicts in Iraq and Afghanistan, debate has intensified regarding the nature of American military strategy. This lecture examines the intellectual origins of the t…
Does a downhill slope distort your car's 0-60 mph acceleration?When testing acceleration on an on-ramp, a slight downhill grade might skew your results. This video investigates how much gravity influences performance metrics and whether these…- Does a falling magnet lose its weight during descent?When an object falls, gravity is constantly pulling it down. But what happens when that object is a powerful neodymium magnet? This experiment investigates the complex interaction…
- Does a finite universe mean we are inherently meaningless?Professor Alister McGrath explores how our shifting scientific understanding of the cosmos shapes our sense of purpose. This lecture examines whether modern cosmology leaves us ad…
- Does a fortune in stolen Nazi gold lie at the bottom of Lake Toplitz?For decades, treasure hunters have scoured the depths of an Austrian lake, driven by persistent rumors of sunken Nazi wealth. This investigation examines the origins of these clai…
Does a hidden Nazi fortune lie beneath the waters of an Austrian lake?Lake Toplitz in the Austrian Alps has long been the subject of rumors regarding sunken Nazi gold and secret documents. This documentary investigates the truth behind these persist…