Michael from Vsauce does a fantastic job explaining the main theories for why we dream.

Etiology Three main theories have emerged in an attempt to explain the mechanisms involved in tendon calcification.

Which theories?

This study produces metatheories, which are mathematical theories about other mathematical theories.

Subjective theories see main article Subjective theory of value Subjective theories hold that for an object to have economic value (a non zero price), the object must be useful in satisfying human wants and it must be in limited supply.

I too have theories.

Another of Guillaume's theories.

Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.

Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.

A Tale of Two Theories

Let A Hundred Theories Bloom

Some theories for strengthening entrepreneurship

Well, there are many theories.

Major Theories Communication researchers have identified several major theories associated with the study of mass communication.

There is a lot more to do to test these theories, and to test any other theories.

They take their theories too seriously.

The authors' petition commingles several theories.

Trickle down theories had not worked.

One is well known untestable theories.

Your theories about life, about pleasure.

You're not serious about these theories.

Both our theories could be right.

Hediger's biological social distance theories were used as a basis for Edward T. Hall's 1966 anthropological social distance theories.

The revelations thus encourage wild conspiracy theories.

The following are some the competing theories.

1995 Political theories, Idealism and Realism, Aleppo.

As theories go, it's a beautiful one.

Do these theories say anything about nature?

We are looking for theories with scientific grounds.

Conspiracy theories are seen as vulgar and lowbrow.

This is the way theories of unification work.

This is where the conspiracy theories come in.

But the conspiracy theories are off the mark.

These theories, however, fail to reflect local realities.

Such conspiracy theories are not rare in Asia.

But as theories go, it had a problem.

Unfortunately, string theories today are, as yet, untestable.

But the more important one is explanationless theories.

Sibyl has made me forget your poisonous theories.

Some of your theories strike me as prehistoric.

Notable, too, are the conspiracy theories this time around.

There are various theories regarding why this shift occurred.

Iranian social media users typically ridicule theories like these.

To date, none of these theories has been substantiated.

None of these major theories have been completely successful.