The theory known as Higgs mechanism was proposed by several physicists at the same time.

Their theory, known as the Alvarez hypothesis, is now widely accepted to explain the demise of the dinosaurs.

For many years much of monetary policy was influenced by an economic theory known as monetarism.

He has proposed a theory known as a fraternal birth order effect or "older brother effect".

We then examine these convictions using the ethical theories known to us, seeking consistency and fit in our judgments taken as a whole.

This is the classic theory, well known to spirit channelers and ghost busters all over the world.

Some of these issues can be addressed within a class of theories known as walking technicolor.

It is still the most accurate physical theory known, the prototype of a successful quantum field theory.

One theory, known as the tragedy of the commons, holds that people will exploit and abuse something in which they have no ownership stake.

Mathematical theory, also known as formal theory, is the use of mathematics to construct social theories.