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Conspiracy theories

Formal theories

Fringe theory

Media theories


Philosophical theories

Scientific theories

Theories of history




Applied sciences






















The main article for this category is Theory.

This category is for articles and categories primarily describing theories. A theory is nothing more than a group of true sentences which together support a particular conclusion which explains some object of study. There are theories in many and varied fields of study, including the arts and sciences.

Very often theories are named after the person who first formulated the theory (e.g. Luddism). Theories are also named using some description of the application of the theory to the subject matter plus the ending "ism" (e.g. Connectionism). There are also fields of study named "theory" whose basis is some initial set of assumptions describing the field's approach to a subject matter (e.g. set theory, model theory).


Conspiracy theories

Formal theories

Fringe theory

Media theories


Philosophical theories

Scientific theories

Theories of history




Absolute theory

Arboreal theory

Chou's distorted key theory for peptide drugs

Collective action theory

Continuum (measurement)

Cosmic pluralism

Cultural Theory of risk

Culture theory

Death and adjustment hypotheses


Excitation-transfer theory


False Tagging Theory

Futures studies

Gateway drug theory


Integrated-threat theory


Intra-organismic perspective

List of effects

Media system dependency theory

Metallum Martis


Nemesis (hypothetical star)

Obstruction theory

Peace ecology

Philosophical theory


Principle of relativity

Race of the future

Regenerative economic theory

Relativistic dynamics

Risk and actuarial criminology

Scalar expectancy

Scientific management

Skopos theory

Space charge

Spiral of silence

Structuralist theory of mythology

Supranational union

Temporal theory (hearing)

The Nature of the Judicial Process

Theories of famines


Theory of solar cells

Toothpaste tube theory


Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Category:Theories — Please support Wikipedia.
This page uses Creative Commons Licensed content from Wikipedia. A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia.
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66843 news items

The Guardian

The Guardian
Tue, 22 Jul 2014 08:33:45 -0700

Some of us like to believe these theories because the alternative is the terrifying idea that no one really knows what they're doing; some because it lets us feel superior to others who have never even thought to gaze behind the curtain; some believe ...

Fox News

Fox News
Mon, 21 Jul 2014 23:58:28 -0700

This June 20, 2014 file photo, shows a combination of images of Russian nationwide weekend dailies' front pages on downed Malaysia Airlines Flight 17 in Moscow Russia, some of them reading "298 Victims of Someone Else's War," and "Kick From Behind.
Hollywood Life
Tue, 22 Jul 2014 09:12:26 -0700

We're nearly midway into Season 4 of 'Teen Wolf', and the mystery of The Benefactor is weighing as heavily on fans' minds as is the mystery of where Derek's eyebrows go when he shifts. Read on for the prevailing theories! The mystery of The Benefactor ...
Huffington Post
Tue, 22 Jul 2014 04:39:18 -0700

Since the beginning of October, more than 57,000 unaccompanied children have been caught at the U.S.-Mexico border trying to enter the United States illegally. As the number of detained children grows, so does the number of politicians who have spoken ...

Stars and Stripes

Stars and Stripes
Tue, 22 Jul 2014 00:07:30 -0700

MOSCOW -- An assassination attempt against Russian President Vladimir Putin. A desperate ploy to draw the West into the battle for Ukraine's east. A botched mission to commit mass murder against Russian citizens. Russian news consumers are getting ...


Sun, 20 Jul 2014 11:06:42 -0700

A lot of people's general theories came true – Harry was a Horcrux, Ron and Hermione got together, Snape was in love with Lily – but some twists took fans completely by surprise. Bookmaker careers were ruined when Rowling had the nerve to ...

Daily Mail

Daily Mail
Sun, 20 Jul 2014 17:52:07 -0700

Putin has not yet attached his own name to the bizarre conspiracy theories given licence on the state-controlled media. He has contented himself with the observation that the 298 deaths were the Ukrainian government's fault because 'the state over ...
Al Jazeera America
Mon, 21 Jul 2014 10:16:35 -0700

The tragedy of Malaysian Airlines Flight MH17, which was shot down by a surface-to-air missile over eastern Ukraine on July 17, is quickly turning away from an investigation of the events and into accusations of criminality by the adversaries in the ...

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