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Q0910The Dunning–Kruger effect describes how people with little skill in something often overrate their ability — because the very knowledge needed to spot their mistakes is what they lack. Genuine experts, by contrast, tend to see how much they still don't know, and quietly underrate themselves.
Q0911Instead of holding a list as abstract words, you attach each item to a vivid location in a room, street or route you know well. Later, you mentally walk the route and collect the items. This matters because human memory is strongly spatial and visual. The lesson: use the brain's older strengths to carry newer information.
Q0912Most substances become denser when solid, but water forms a crystal structure that takes up more space. Floating ice insulates water below, helping lakes and oceans avoid freezing solid from the bottom up. This matters globally because a small molecular quirk shapes climate and ecosystems. The lesson: life can depend on exceptions.
Q0914Sound is vibration moving through particles. Space may be full of radiation and fields, but without enough matter to vibrate, ordinary sound cannot travel the way it does in a room. This matters because films often give space dramatic noise for storytelling. The lesson: reality can be quieter than imagination.
Q0916Glass lacks the neat crystal structure of many solids, but at room temperature it does not noticeably flow like honey. Old panes are often uneven because historical manufacturing made variable thickness, and installers may have placed heavier edges downward. The lesson is careful correction: a good-sounding explanation can still be wrong.
Q0917The tiny remaining fraction still shapes traits, ancestry and disease risk — but the shared 99.9 percent is a powerful reminder that the categories we divide humanity into are far shallower than our kinship. Variation is real; common humanity runs deeper.
Q0918Marie Curie won the Nobel Prize in Physics in 1903 and in Chemistry in 1911 — still the only person honoured in two different sciences. Discovery ran in the family: her daughter Irène Joliot-Curie later won a Nobel of her own for creating artificial radioactivity.
Q0919Tambora blasted material into the atmosphere, affecting sunlight and climate patterns far from Indonesia. Crop failures, cold summers and hardship followed in many regions. This matters globally because Earth systems are connected across distance. The so-what: a local catastrophe can become a planetary event.
Q0920Farmers were struggling with crop damage, and military help was tried in a strange episode now remembered as the Emu War. The popular version is comic, but the background was agricultural pressure and human-wildlife conflict. This matters globally because ecosystems often resist simple force. The lesson: a living landscape is not a target range.
Q0921For the price of a drink, people could hear news, argue politics, read papers and meet traders, writers or scientists. They were not open equally to everyone, but they helped create new public spaces for information. This matters globally because ideas need rooms as well as minds. The lesson: infrastructure for conversation can change society.
Q0922Early photographs required long exposures, so moving crowds often vanished. A man standing still long enough for a shoe shine remained visible while most street life disappeared. This matters because technology shapes what history can see. The lesson: being recorded sometimes depends on who paused long enough.
Q0924Van Gogh painted 'The Starry Night' in 1889 from a room in the Saint-Rémy asylum, where he had admitted himself. The swirling sky was composed from memory and imagination rather than copied from the window — one of art's most beloved images made during one of its maker's darkest years.
Q0925Monet's water lilies are less about one pond than about perception itself: light, reflection, weather and time changing the same surface again and again. The series helped push painting towards abstraction without leaving nature behind.
Q0926Dalí gave the image a deliberately strange origin story, linking the soft watches to melting Camembert. The painting works because a rigid symbol of time becomes limp and bodily, turning memory into something unstable.
Q0927The Gaelic phrase means 'water of life,' echoing the Latin aqua vitae used for distilled spirits. A medicinal-sounding name became attached to a drink shaped by grain, peat, barrels, climate and national style.
Q0928Al-Khwarizmi's book used al-jabr for restoring or recombining terms in equations. His Latinized name later helped give 'algorithm' to European mathematics, so one scholar's legacy sits inside two basic modern words.
Q0929Chess vocabulary travelled through Persian and Arabic as the game moved west from India. 'Checkmate' is commonly traced to shah mat, often explained as 'the king is helpless' or defeated, a small phrase carrying the game's long route across cultures.
Q0930Jenner used material from cowpox to protect against smallpox, and the Latin root vacca, meaning cow, entered the medical vocabulary. The word now covers many kinds of immunisation, but its name still remembers the cowpox experiment.
Q0931Tetris' rules are grasped in seconds — rotate and place shapes to clear lines — and that simplicity let it cross hardware, languages and generations. Strong design doesn't always need story, spectacle or realism; a clear loop can become timeless.
Q0933Its strength and weakness come from the same idea: many people can add, correct and debate knowledge in public. That has made it fast, broad and imperfect, with quality depending on sources and community review. This matters globally because access to reference knowledge changed dramatically. The lesson: openness needs maintenance, not blind trust.
Q0934The screen gets the attention, but sensors let the phone rotate maps, count steps, dim brightness, stabilise photos and guide navigation. Instruments that once lived separately now disappear behind ordinary gestures. A smart device feels smart partly because it can sense its surroundings.
Q0935The phrase is especially associated with Nietzsche, though it also resonates with Stoic acceptance. It asks for more than endurance: to love fate is to stop treating reality as an insult and begin working with what has actually happened.
Q0936The phrase can sound dark, but its purpose is often clarifying. Remembering mortality can shrink vanity, sharpen gratitude and make priorities less abstract. It appears across Stoic, religious and artistic traditions because every culture faces finitude. The lesson is not despair; it is attention.
Q0937Rawls's thought experiment asks you to design society without knowing where you will land inside it. Class, gender, health, ability and luck are hidden before the rules are chosen. Fairness looks different when you might have to live at any point in the system.