theorypedia
Economics & Decision-MakingPlausible92

Nash Equilibrium

Nash Equilibrium is the principle that a stable outcome exists where each player's strategy is optimal given all other players' choices.

Bonkers Persona 6 fan theory is too good not to be true - Polygon.com

A Persona 6 fan theory is spreading so fast that believers say it's "too good not to be true" — which is exactly the trap.

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Economics & Decision-MakingPlausible92

Opportunity Cost

Opportunity Cost is the principle that every choice requires sacrificing the next-best alternative, making the true cost of any decision what you give up, not just what you pay.

Philosophy & EthicsPlausible92

Ship of Theseus

Ship of Theseus is the thought experiment asking whether an object retains its identity after all its material parts are gradually replaced.

Amy Pascal on fan theories about Sadie Sink's character in 'SPIDER-MAN: BRAND NEW DAY'

Producer Amy Pascal's cryptic non-denial about Sadie Sink's mystery role is fueling fan speculation — does her silence confirm or deliberately feed the rumor mill?

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Science & SystemsPlausible92

The Double-Slit Experiment

The double-slit experiment is the principle that particles exhibit wave-particle duality, behaving as waves when unobserved but as particles when measured.

Economics & Decision-MakingPlausible92

The Prisoner's Dilemma

The Prisoner's Dilemma is the principle that rational self-interest can lead to collectively worse outcomes when parties cannot communicate or enforce cooperation.

[Harry Potter Books] Dumb little Hagrid Theory

Hagrid's "circus tent" knitting on the Diagon Alley train may have been a blanket for Fluffy — the three-headed dog guarding the Philosopher's Stone.

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Science & SystemsPlausible88

Feedback Loops

Feedback loops are the principle that system outputs circle back to influence their inputs, creating self-reinforcing or self-correcting patterns.

Psychology & BehaviorPlausible88

Loss Aversion

Loss Aversion is the principle that losses feel roughly twice as painful as equivalent gains feel pleasurable, driving asymmetrical decision-making across contexts.

Mitch McConnell Missing From Public Sparks Wild Conspiracy Theories - YouTube

McConnell's absence from public view is spawning conspiracy theories — but what drives crowds to fill an information vacuum with the wildest possible explanation?

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Technology & InnovationPlausible88

Network Effects

Network Effects is the principle that a service or platform becomes exponentially more valuable as more people use it, creating self-reinforcing growth and competitive advantages.

Psychology & BehaviorPlausible85

Cognitive Dissonance

Cognitive Dissonance is the principle that psychological discomfort from conflicting beliefs drives people to rationalize, dismiss, or alter their beliefs to restore mental consistency.

Opinion: Incumbent Dan cried conspiracy and then Republicans built one

Dan cried conspiracy with no evidence — then officials allegedly acted in ways that made the theory look real, raising the question of whether the accusation created the reality.

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Economics & Decision-MakingPlausible85

Sunk Cost Fallacy

Sunk Cost Fallacy is the tendency to continue investing in failing endeavors because of past expenditures rather than future costs and benefits.

Psychology & BehaviorPlausible85

The Bystander Effect

The bystander effect is the principle that individuals are less likely to help someone in need when other witnesses are present, due to diffusion of responsibility and pluralistic ignorance.

Economics & Decision-MakingPlausible85

The Cobra Effect

The Cobra Effect is the principle that poorly designed incentives can inadvertently increase the very problem they're meant to solve.

The Young and the Restless may not be done with Martin Laurent's reign of terror

Fans are convinced new character Markham is actually villain Martin Laurent in disguise — and the show may be quietly confirming it with his surname.

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Economics & Decision-MakingPlausible82

Goodhart's Law

Goodhart's Law is the principle that when a measure becomes a target for optimization, it ceases to be a reliable measure of what it was intended to assess.

Culture & SocietyPlausible82

Moral Panic

Moral panic is the principle that societies collectively amplify minor threats into perceived existential crises, driven by media coverage and reflecting deeper anxieties rather than proportionate risk assessment.

Could The Keto Diet Be Fueling Cancer? New Study Challenges Popular Theory

A diet hailed for fighting cancer may actually fuel it in genetically predisposed mice — depending on a variable the popular theory never accounted for.

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Science & SystemsPlausible82

Swiss Cheese Model

Swiss Cheese Model is the principle that disasters occur when multiple independent safety barriers fail simultaneously and their weaknesses align.

Science & SystemsPlausible82

The Butterfly Effect

The Butterfly Effect is the principle that minute changes in initial conditions can cascade into vastly different outcomes in chaotic systems.

'Spider-Man: Brand New Day: 5 Fan Theories That Could Shape Tom Holland's Next MCU Adventure

Fan theories are already mapping Peter Parker's next MCU move — and the most popular bet is a collision with the newly formed Avengers.

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Psychology & BehaviorPlausible82

The Halo Effect

The Halo Effect is the tendency to let a single positive impression of someone or something color our judgment of their other unrelated traits.

Health & MedicinePlausible82

The Nocebo Effect

The Nocebo Effect is the principle that negative expectations can produce real adverse physiological symptoms through neurobiological mechanisms independent of any active treatment.

Part of: The 2026 US Midterm Elections

Pennsylvania Republicans won on lowering prices. Then came the Iran war.

Pennsylvania Republicans won on a promise to lower prices — now a potential Iran war threatens to scramble that mandate before 2026.

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Business & StrategyPlausible82

The Pareto Principle

The Pareto Principle is the observation that roughly 80% of effects typically come from 20% of causes across diverse domains.

Health & MedicinePlausible82

The Placebo Effect

The placebo effect is the principle that belief in a treatment activates real neurobiological healing mechanisms, independent of the treatment's pharmacological properties.

'Live threat to voting rights': Sen. Jon Ossoff on Trump's election conspiracy theories

Trump's upcoming election interference speech has Sen. Ossoff calling voting rights a "live threat" — who controls the narrative around electoral legitimacy?

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Philosophy & EthicsPlausible82

The Trolley Problem

The Trolley Problem is the thought experiment showing that human moral reasoning relies on emotional intuitions that diverge from abstract utilitarian logic.

Health & MedicinePlausible78

Allostatic Load

Allostatic load is the principle that chronic activation of stress-response systems causes cumulative biological damage across multiple physiological systems.

How a House of the Dragon debate finally reveals the dark secret of dragon origins

House of the Dragon quietly confirmed what fans theorized for years: Valyrian dragonlords didn't tame dragons — they created them through dark ritual.

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Economics & Decision-MakingPlausible78

Jevons Paradox

Jevons Paradox is the principle that efficiency improvements in resource use typically increase overall consumption by lowering effective costs and expanding demand.

Philosophy & EthicsPlausible78

Occam's Razor

Occam's Razor is the principle that simpler explanations requiring fewer assumptions are generally preferable to more complex ones.

Fact check: US military programme not behind Europe's recent heatwaves | Euronews

A US military programme keeps getting blamed for Europe's heatwaves — here's why that claim keeps spreading despite how weather actually works.

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Culture & SocietyPlausible78

The Streisand Effect

The Streisand Effect is the principle that attempts to censor or suppress information paradoxically amplify its spread and public interest.

Economics & Decision-MakingPlausible72

Black Swan Theory

Black Swan Theory is the principle that rare, unpredictable outlier events often have outsized historical impact despite being impossible to foresee.

Afrikaners' Great US Trek in Turmoil As Pushback Intensifies - The African

Elon Musk is backing a claim that white South African farmers face genocide — but the mass US relocation it triggered is now meeting serious pushback.

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Psychology & BehaviorPlausible72

Dunning-Kruger Effect

Dunning-Kruger Effect is the principle that incompetence prevents people from recognizing their own lack of skill, leading to unwarranted confidence.

Business & StrategyPlausible72

First-Mover Advantage

First-mover advantage is the principle that entering a market before competitors can create lasting competitive benefits through customer lock-in, resource control, and norm-setting.

One Nation's Malcolm Roberts claims US Air Force “highly likely” to be conducting chemtrail trials

A sitting Australian senator says the US Air Force is "highly likely" spraying chemtrails — why do condensation trails keep convincing people of secret aerial programs?

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Philosophy & EthicsPlausible72

Hanlon's Razor

Hanlon's Razor is the principle that simpler explanations rooted in error or incompetence should be favored over assumptions of malice or conspiracy.

Health & MedicinePlausible72

Hormesis

Hormesis is the principle that low doses of potentially harmful stressors trigger adaptive responses that increase resilience and protective capacity.

'Daily Show' Blames Lindsey Graham's Death on Trump's 'Best Friend' - The Daily Beast

Trump said he'd "love to" believe conspiracy theories about Lindsey Graham's death — and The Daily Show is now pinning the blame on Trump's own "best friend."

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Technology & InnovationPlausible72

Metcalfe's Law

Metcalfe's Law is the principle that a network's value grows exponentially with the square of its users, not linearly.

Technology & InnovationPlausible72

Moore's Law

Moore's Law is the principle that transistor density on computer chips doubles approximately every two years, enabling exponential growth in computing power.

Psychology & BehaviorPlausible72

Moral Licensing

Moral licensing is the tendency to engage in unethical behavior after performing virtuous acts, as if good deeds grant psychological permission for subsequent moral lapses.

New series from BBC Scotland examines fresh evidence from the Lockerbie bombing investigations

A new BBC Scotland series digs into fresh Lockerbie evidence — asking why the official verdict still drives fierce conspiracy theories decades on.

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Business & StrategyPlausible72

Parkinson's Law

Parkinson's Law is the principle that work expands to fill the time available for its completion, explaining why tasks consume whatever deadline you assign.

Technology & InnovationPlausible72

The Gartner Hype Cycle

The Gartner Hype Cycle is the principle that emerging technologies follow a predictable pattern of initial excitement, disillusionment, and eventual productive integration.

The Dog Stars Looks Like The Next Must See Apocalypse Movie - 5MU

A new apocalypse film, The Dog Stars, is generating buzz — but what makes post-collapse survival stories so compulsively watchable?

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Business & StrategyPlausible72

The Innovator's Dilemma

The Innovator's Dilemma is the principle that successful companies pursuing rational strategies to serve existing customers become vulnerable to disruptive innovations from simpler, cheaper competitors.

Culture & SocietyPlausible72

The Overton Window

The Overton Window is the idea that acceptable political discourse operates within a shifting range of opinion, moving ideas from unthinkable fringe to mainstream policy over time.

Purging George Orwell's books misses what drives the political right - The Loop (ECPR)

A British exam board dropped Orwell's books for inclusivity — but critics argue that move hands the political right a ready-made grievance about censorship.

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Business & StrategyPlausible72

The Peter Principle

The Peter Principle is the idea that people rise through hierarchies until promoted to a level where they lack the skills to perform competently.

Culture & SocietyPlausible62

Six Degrees of Separation

Six Degrees of Separation is the principle that any two people on Earth are connected through at most six social intermediaries.

Lauren Conlin pushes back on online theories about Nolan Wells' death | CUOMO

An investigative reporter is actively pushing back on online theories about Nolan Wells' death — so what are those theories, and why won't they die?

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Psychology & BehaviorContested52

Broken Windows Theory

Broken Windows Theory is the principle that unrepaired signs of disorder signal neglect and enable escalating crime if left unchecked.

Psychology & BehaviorContested45

Maslow's Hierarchy of Needs

Maslow's Hierarchy of Needs is the principle that human motivation progresses through levels from basic physiological survival to self-actualization.

Debunked! Critics say glass of water proves China faked space station video. Science says otherwise

A glass of water sitting still on China's space station sparked viral "fake" claims — but the science of microgravity explains exactly why it's real.

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Physics

The Explanatory Reach of Quantum Field Theory and String Theory

What physics' deepest frameworks — quantum field theory and string theory — actually explain about how the world is built, and where their reach runs out.