How Rumours Spread
Rumours spread through networks, and the shape of the network matters as much as the content. Removal is largely ineffective because by the time something is visible it has already propagated.
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Why Do Languages Die?
Languages disappear when communities stop passing them to children. That almost never happens by force alone: it happens when speaking the majority language becomes the rational choice.
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How Recommendation Systems Decide What You See
Recommenders mostly do not analyse the item. They find people who liked what you liked, then show you what those people liked next, and that produces both the accuracy and the tunnel vision.
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What Causes Recessions?
A recession is a self-reinforcing drop in spending. One sector cuts back, incomes fall, spending falls further, and the loop continues until something interrupts it.
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Why Does Time Feel Faster as We Age?
Time perception is not a clock. It depends on how much new information your brain encodes, and a week with few novel events leaves a very thin record to look back on.
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How Habits Actually Form
Habits form through repetition in a stable context, not through motivation. The timeline is longer than the twenty-one days everyone quotes, and missing a day costs almost nothing.
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Why Societies Trust Each Other Differently
In some countries most people say strangers can be trusted; in others almost nobody does. The gap is large, stable over generations, and closely tied to how institutions behave.
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Why Housing Costs So Much
House prices are mostly about location, and location cannot be manufactured. That single fact explains why building more helps less than people expect, and why cheap credit pushes prices up.
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Why People Believe Conspiracy Theories
Conspiracy beliefs are rarely the result of missing information. They answer emotional needs: for certainty, for control, and for belonging. That is why supplying facts often changes nothing.
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How Memory Works and Why It Fails
Memory is not a recording you replay. It is a reconstruction assembled each time from fragments, which is why confident recollections can be wrong in very specific ways.