Cards starting with N

1,601 cards. Page 15 of 27.

  1. Neolithic digs have already yielded fifty-one game boardsBoard games move pieces on patterned boards, sometimes with dice. Cultures worldwide invented and traded them. As of 2024, archaeologists report fifty-one boards from fourteen Neo…
  2. Neolithic engineers built a massive timber highway across the Somerset marshes in 3807 BC.Long before the Roman roads, Neolithic farmers in England constructed the Sweet Track, a sophisticated wooden causeway stretching over a kilometer across waterlogged peat. This fe…
  3. Neolithic farms made mass chattel slavery likelierSlavery’s history crosses cultures and faiths from antiquity to now, with victims of many ethnicities and statuses that varied wildly by system. Hunter-gatherers sometimes held he…
  4. Neon is the least reactive element, yet it can be forced into chemical bonds.Long considered chemically inert, neon is now known to form fleeting molecular ions, temporary excited excimers, and even complex trapped structures. While its high ionization pot…
  5. Neoplasm means new growth that ignores the tissue’s usual planA neoplasm is abnormal, excessive tissue growth that stays uncoordinated with its neighbours and keeps expanding even after the trigger is gone, usually as a mass called a tumour.…
  6. Neoplatonists thought they were simply reading Plato correctlyFor more than a thousand years, readers took it for granted that Plotinus and his successors had explained what Plato truly meant. Only around the early nineteenth century did sch…
  7. Nepal is home to 124 distinct mother tongues, reflecting a complex linguistic tapestry.While Nepali serves as the federal official language, it is only one of over a hundred mother tongues spoken across the nation. From ancient, nearly extinct indigenous languages t…
  8. Nepal marks its seventeenth consecutive appearance at the Asian Games in Aichi and NagoyaNepal is currently competing in the 2026 Asian Games, held across Aichi Prefecture and Nagoya, Japan. With a delegation of 136 athletes participating in 22 different sports, the n…
  9. Nepal's flag is the only national banner in the world that is not rectangular.While every other sovereign nation has adopted the standard rectangular format of European vexillology, Nepal maintains its ancient tradition of the double-pennon. This unique, no…
  10. Nepal's unifier scouted his rivals while travelling incognito to VaranasiWhen Prithvi Narayan Shah became king of Gorkha in 1743, it was a minor hill state among dozens. Before expanding, he slipped away incognito to Varanasi, then one of India's great…
  11. Nepotism is not a modern invention: meet 18 influential figures from historyThe term nepo baby describes notable individuals born into fame or affluence. In this episode of List Show, host Erin McCarthy explores 18 historical examples, ranging from Charli…
  12. Neptune was found with a pen before anyone saw it through a telescopeUranus kept drifting off the path astronomers predicted for it, as if something unseen were tugging it. Two mathematicians worked out where that something should be. On 23 Septemb…
  13. Neptune's giant storms are not permanent fixtures like the famous Great Red SpotWhen Voyager 2 first flew past Neptune in 1989, it captured images of massive, Earth-sized storms swirling in the planet's southern hemisphere. Yet, just five years later, these f…
  14. Neptune's Grotto: A subterranean wonder carved into the cliffs of SardiniaHidden at the base of the towering Capo Caccia cliffs in Sardinia, Neptune's Grotto is a breathtaking stalactite cave system. Discovered by fishermen in the 18th century, this sea…
  15. Neptune's largest moon orbits backwards and was probably stolen from the Kuiper beltTriton circles Neptune the wrong way, against the planet's spin, which no other large moon in the Solar System does. Moons on backward orbits cannot form alongside their planets, …
  16. Neptune’s largest moon is a cosmic intruder that may one day destroy itself.Neptune hosts 16 known moons, but the giant Triton stands apart. Unlike the planet's other satellites, Triton orbits in the opposite direction of Neptune’s rotation, suggesting it…
  17. Nerdcore: The DIY Hip-Hop Movement That Turned Geek Culture Into A Global SoundBorn from the intersection of underground hip-hop and internet-age fandom, nerdcore is a self-identified genre defined less by a specific musical sound and more by its lyrical obs…
  18. Nergal was the Mesopotamian god of war, disease, and the ruler of the underworld.Known as the god of inflicted death, Nergal reigned over the Mesopotamian underworld of Kur. While he began as a northern deity in Kutha, he eventually became a central figure in …
  19. Nero's Golden House was an architectural marvel that transformed the future of Western art.After the great fire of 64 AD, Emperor Nero built a sprawling, opulent palace complex in the heart of Rome. Known as the Domus Aurea, this "Golden House" was a marvel of concrete …
  20. Nerva was the Roman emperor who proved that good intentions are not enough.Ascending to the throne at age 66, Nerva was a compromise candidate meant to stabilize Rome after Domitian's assassination. While he restored Senate liberties and sought moderatio…
  21. Nerve agents were born from a failed search for better, cheaper agricultural insecticides.Originally synthesized in 1930s Germany as potential pesticides, nerve agents evolved into the deadliest chemical weapons in history. These organophosphorus compounds hijack the b…
  22. Nerve cells invented electricity hundreds of millions of years agoA neuron is an excitable cell that fires action potentials and talks across synapses. Plants and fungi lack them; sponges and placozoans skip neural tissue too. Molecular clues pu…
  23. Nerve signals leap between gaps in a fatty wrapping named after bone marrowMany of your nerve fibres are wrapped in myelin, a fatty insulating sheath. Unlike the plastic on a wire, it comes in segments separated by tiny bare gaps about a micrometre long.…
  24. Nerves, muscles and true tissues split most animals from the humble spongeNearly every animal, from jellyfish to humans, belongs to a proposed group called Eumetazoa, meaning roughly true animals. What unites them is organised tissue, nerve-like cells a…
  25. Netball gives each of seven players a zoned court roleNetball puts two sides of seven on a rectangular court, each trying to shoot through a 380 mm ring perched on a 3.05 m post with no backboard. Every player's bib names a position …
  26. Netflix's Death Note adaptation faced intense backlash for its radical departure from the source materialAdam Wingard's 2017 supernatural thriller reimagined the iconic Japanese manga for an American audience, swapping the original's cold, calculating protagonist for a more sympathet…
  27. Netflix's highest-scored season ever was canceled due to low viewershipHow does a series with a perfect 100% critic score fail to keep its platform? Warrior Nun became a case study in the disconnect between critical acclaim and audience retention, sp…
  28. Netflix’s massive $24 million production brings the Kargil War to the screenA high-stakes aerial battle is moving from history books to the small screen. With a staggering budget and thousands of crew members, a new Hindi-language series aims to recreate …
  29. Netscape once dominated the internet, but its legacy lives on in modern web browsers.Before the browser wars, Netscape was the undisputed king of the internet. Born from a failed gaming pitch to Nintendo, the company pioneered essential web technologies like JavaS…
  30. Nettle cells built jellyfish, corals, and anemonesCnidaria holds more than eleven thousand aquatic species—mostly marine—including jellyfish, hydroids, anemones, and corals. Radial medusae and polyps share tentacles armed with cn…
  31. Network pharmacology maps how plant compounds act on multiple cell targetsA review of network pharmacology research describes how scientists are systematically mapping the many active compounds found in medicinal plants and the cellular targets they bin…
  32. Neuchâtel: A Swiss City Defined by Its Ancient Castle and Modern InnovationNeuchâtel, meaning new castle, is a Swiss city with a history stretching from prehistoric hunting camps to its current status as a global hub for micro-technology. Once a Prussian…
  33. Neuquén: The Argentine City That Reads the Same Backward and ForwardNestled at the junction of two major rivers in Patagonia, Neuquén is a unique urban center defined by its palindrome name and its role as a gateway to massive energy reserves. Fro…
  34. Neuquén: The Patagonian province defined by its rivers, resources, and political dynastyNestled at the northern edge of Patagonia, Neuquén is a land of dramatic contrasts. From the arid eastern plateaus to the lush Andean valleys, this Argentine province is a powerho…
  35. Neural networks began as brain simulations but succeeded by abandoning biological fidelity for mathematics.Artificial neural networks were once envisioned as digital replicas of the human brain. While they initially struggled with hardware limits and theoretical gaps, they eventually t…
  36. Neural networks can theoretically model anything in the known universeWhy do we trust artificial intelligence to solve complex real-world problems? It stems from a mathematical guarantee: the Universal Approximation Theorem. This principle ensures t…
  37. Neural networks help simplify the complex math of quantum many-body systemsResearchers who applied artificial neural networks to quantum physics found a way to make complex calculations more manageable. By using a variational representation of quantum st…
  38. Neural tissue is neurons plus a cast of support cellsNervous tissue builds both the central brain-and-cord axis and the branching peripheral web. Neurons fire the impulses, yet much of the bulk is neuroglia—astrocytes, microglia, ol…
  39. Neurodevelopmental disorders arise when the brain's rapid, delicate maturation process encounters significant external disruptions.Neurodevelopmental disorders are not acquired injuries but conditions rooted in the disrupted growth of the brain during early childhood. From genetic predispositions to environme…
  40. Neurofibromatosis tumours grow from the nerves' support cells, not neuronsNeurofibromatosis is not one disease but three genetic conditions that seed tumours along the nervous system. Oddly, the growths come from the cells that wrap and support nerves r…
  41. Neurologists map the nervous system from Willis to Charcot onwardNeurology diagnoses and treats diseases of brain, spinal cord, and peripheral nerves, leaning on neuroscience. Neo-Latin neurologia appears from 1610; the clinical field crystalli…
  42. Neurons are not the only brain cells responsible for processing information and memoryFor a century, neuroscientists believed neurons were the sole architects of brain function, transmitting all information via electrical impulses. New research reveals this neuron …
  43. Neuroscientists still argue over which parts make up the limbic systemIn 1954 rats with electrodes in two small brain regions kept pressing a lever to stimulate them, over and over. Those regions belong to the limbic system, the brain's emotional an…
  44. Neurosyphilis is a silent invader that can strike at any stage of infectionCaused by the same bacterium behind syphilis, neurosyphilis occurs when the pathogen infiltrates your central nervous system. While it often begins without symptoms, it can eventu…
  45. Neurotic people aren't slower on average, just far more erraticNeuroticism, one of the Big Five personality traits, describes how often and how intensely someone feels fear, anger, shame or gloom. Oddly, highly neurotic people match everyone …
  46. Neurotoxins are not just poisons; they are complex biological tools that define our health.Neurotoxins are substances that alter the nervous system, ranging from lethal chemical weapons like sarin to essential neurotransmitters like glutamate. While often destructive, t…
  47. Neustria: The forgotten western kingdom that defined the early medieval Frankish power struggleFor centuries, the Frankish realm was split between the eastern Austrasia and the western Neustria. This rivalry, marked by brutal dynastic warfare and shifting borders, shaped th…
  48. Neutral genetic diversity may not accurately predict a species' extinction riskResearchers argue that the common practice of using neutral genetic diversity to assess population health may be misguided. While conservationists often use genome-wide neutral di…
  49. Neutral Persia became a devastating battlefield for global empires during the First World War.Though Persia declared neutrality in 1914, its strategic oil reserves and location between British India and Russia made it a primary theater of war. Over two million civilians pe…
  50. Neutrality in World War II was rarely a simple case of staying out of conflict.During World War II, neutrality was often a fragile, strategic balancing act rather than a total withdrawal from global affairs. While some nations successfully avoided the front …
  51. Neutron stars are essentially massive, mountain-sized atoms with extreme physical properties.Neutron stars occupy a strange middle ground in the universe, lacking the mass to collapse into black holes while possessing density that defies intuition. This video explores the…
  52. Neutron stars are giant atomic nuclei as massive as stars but only kilometers wide.Neutron stars represent some of the most violent and extreme phenomena in the universe. This video explores their origins in the death of majestic stars and takes you on a journey…
  53. Neutrons are the invisible architects of nuclear power and the keys to atomic structure.Uncharged and elusive, neutrons are the fundamental particles that hold nuclei together. Because they lack an electric charge, they penetrate matter with ease, making them both a …
  54. Neutrophils are the body's rapid-response army, producing 100 billion soldiers every single day.As the most abundant white blood cell in your body, neutrophils act as your first line of defense against infection and injury. These highly mobile cells patrol your bloodstream, …
  55. Nevada wired its whole constitution to Washington to become a state in timeWith a presidential election days away and its mailed constitution lost, Nevada sent the entire document by telegraph in October 1864, at a cost of $4,303.27, the priciest single …
  56. Nevada's statehood was a strategic political maneuver to secure Abraham Lincoln's reelection in 1864.Nevada entered the Union as the 36th state on October 31, 1864, in a frantic rush to bolster Republican congressional majorities and guarantee electoral votes for Lincoln. This hu…
  57. Neville Chamberlain: The Prime Minister Who Sought Peace Through Diplomacy Before World War IINeville Chamberlain is defined by his policy of appeasement toward Nazi Germany, culminating in the 1938 Munich Agreement. While initially popular, his reputation collapsed as war…
  58. New 1.7 million year old site reveals early human tool useArchaeologists have identified a new site in Tanzania's Olduvai Gorge that dates back 1.7 million years. This site provides some of the earliest evidence of Acheulean technology, …
  59. New AI method discovers complex physical laws from limited and noisy dataResearchers have developed a new approach called physics-informed neural networks with sparse regression to uncover the underlying equations of complex systems. By combining deep …
  60. New AI model improves underwater visibility for autonomous robots in real timeResearchers have developed a new generative adversarial network designed to enhance underwater images instantly. By training on the EUVP dataset—a large collection of both high an…