Perhaps in a billion years or so, this world will evolve intelligent, thinking creatures.

The history of how the world evolved into these three states is vague.

It is too young a world for complex organisms to have evolved.

"The way the world is evolving, I guess you have to be part of it."

He determined if the world did not evolve to its fullest potential it needed to be destroyed, and Earth was next.

Nor does a game played around the world usually evolve from someone's idea of a joke.

Before the present era of total communication, the world must have evolved quite differently from the way it does now.

Mary laid the thing down and thought about the way this world had evolved.

And that the world had evolved beyond acceptance of wholesale death.

The world of online music is evolving at a global breakneck pace.