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.

Why Did Vhagar Abandon Aemond in 'House of the Dragon' Season 3? - Comic Basics

Vhagar — the largest living dragon — has vanished from Aemond's side, and fans are pointing at Alys Rivers as the one who sent her away.

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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.

THIS God of War Theory NEEDS to be Addressed - YouTube

Someone blew the Horn to summon the World Serpent in God of War — and the fan theory about who did it just won't die.

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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.

6 children among 8 found dead in Michigan home after fire, some with gunshot wounds

Six children aged 5 to 15 were found dead after a Michigan house fire — investigators suspect murder-suicide, with no outside suspects sought.

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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.

Part of: The 2026 US Midterm Elections

Rural voters turn on Trump again as poll swings 14 points - Washington Times

A 14-point poll swing among rural voters — Trump's most loyal base — is rattling the Republican coalition ahead of the 2026 midterms.

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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.

MISSING-LINK Leak Has Fans Scrambling to Connect It to KINGDOM HEARTS 4

A leaked project called MISSING-LINK has Kingdom Hearts fans racing to prove it's the realistic world teased for Kingdom Hearts 4 — but the connection is unconfirmed.

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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.

Narrated: Two Theories on Why Portland Would Lose the Blazers - House of Strauss

Portland could lose its NBA franchise — and two competing theories explain exactly how a city lets a team slip away.

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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.

Sadie Sink's First Look In Spider Man Brand New Day Finally Revealed - Glamsham.com

Sadie Sink's look in Spider-Man: Brand New Day is out, and fans are already spinning theories about who she's playing before a single scene has screened.

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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.

The Hotspot Beneath Hawaii Is Getting Hotter, Defying a Long-Held Geological Theory

Hawaii's mantle hotspot is getting hotter — two heat surges may explain why some Hawaiian volcanoes grew exceptionally large, defying what geologists long assumed.

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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.

Bilibili fuels fresh GTA 6 trailer 3 buzz online—but is it just another fan theory? - Geo News

A mysterious Rockstar Games presence on Chinese platform Bilibili has fans convinced a GTA 6 global trailer drop is imminent — but is the silence itself the signal?

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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.

Who was the Bisley Boy? The ultimate conspiracy theory surrounding Queen (or King) Elizabeth I

The "Bisley Boy" legend claims Elizabeth I secretly died as a child and was replaced by a local boy — making every portrait of the Virgin Queen a 500-year royal lie.

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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.

All the fan theories about who 'Persona' by Charli xcx is really about - Ground News

Charli XCX wonders if Brat-era fame actually fixed her image — and fans are racing to name the real person behind "Persona."

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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.

Widow's Bay Breakdown : Tom ISN'T WHO WE THINK HE IS... ( THEORIES & SPOILERS ...

In Widow's Bay, fan theories claim Tom is hiding a secret identity — but what does the horror series actually want us to believe about him?

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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.

Megyn Kelly Reveals Her Theory on What Really Happened to Nolan Wells After His Friends Left

Megyn Kelly went on air to lay out her own theory of what happened to Nolan Wells after his friends left — raising the question of whether public speculation helps or distorts missing-person cases.

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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.

"spider-man: brand new day" is less than a week away and the theories are going strong ...

With "Brand New Day" less than a week out, one fan theory is dominating the internet — and it's convincing enough to make the wait harder.

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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.

Black parents are rattled by teen's death among white friends | Chattanooga Times Free Press

A Black teen's death among white friends has split two communities — one grieving, one accused — and the line between legitimate suspicion and conspiracy is proving hard to draw.

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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.

The Old Steve Rogers Already Fight Doctor Doom?! #marvel #avengersdoomsday #shorts - YouTube

A fan theory claims the elderly Steve Rogers already fought Doctor Doom — and if true, it rewrites what we thought we knew about Avengers: Doomsday.

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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.

Part of: The Disappearance of Nancy Guthrie

Nancy Guthrie: Profiler questions ransom theory in the case | FOX 10 Talks - YouTube

A profiler is publicly challenging the ransom theory in the Nancy Guthrie case — raising the question of what the evidence actually points to.

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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.

Fueling the conspiracy theory that Argentina lost the World Cup final because of the ball. #messi

A viral video claims Argentina lost the World Cup final because of the ball — and thousands are watching to decide if the equipment, not the players, decided the trophy.

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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.

Marvel's Comic-Con Hall H Panel To Be Massive: Doomsday Footage, Mystery Witches & 70+ Stars

Marvel's Hall H panel may unveil a coven of witches tied to Doctor Doom — a character who has no such coven in the comics, sparking fan theories about who they really are.

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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.

With 10000 lawsuits pending, Medtronic's hernia mesh faces its first jury - Star Tribune

With 10,000 lawsuits pending, Medtronic's first hernia mesh jury trial tests whether the company hid safety risks from patients and doctors.

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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.