The theory offers an explanation for the origin and evolution of the universe.

The theory offered hope that deaths could be prevented by identifying children at risk and monitoring their sleep.

The theory may also offer an explanation for the origin of inertia.

The theory had no validity, but offered a myth for an impoverished noble class.

But the theory behind the phrase also offers insight into the turmoil of the last few months.

On the other hand, economic theory offers no straightforward explanation.

A good interpretive theory offers a new understanding of people.

Chambers' theory offered no natural explanation of why changes took place in the way they did.

Thus the theory offers a set of ideas for thinking about how living human systems work that can be applied at any level.

Yet the theory and practice of community development can offer some hope in the matter of the control of health care.