Another theory proposed that it was some sort of weapon system.

Another theory proposed that some people couldn't absorb the shock of being in the wrong place and time.

An alternative theory proposes a split in more ancient times.

This theory proposes that the family performs certain functions for society.

The theory of evolution proposes that life and humans arose through a natural process.

The theory proposes that a language outside the local unconscious cannot be translated.

Methodist theories propose an answer to question set two and proceed to use this to establish what we, in fact, know.

His theory proposes that private health insurance acts as an income transfer between the sick and the healthy.

The theory proposes that when we view objects we look for two important components.

Such a bubble, the theory proposes, lasts about 10 seconds before bursting.