The early evolution of fishing as recreation is not clear.

His research centers around understanding the early evolution of life.

Such studies are important to understand the early evolution of our universe: the first hundred microseconds or so.

Such a proposal is consistent with the possibility that a significant amount of the water on Earth was already present during the planet's early evolution.

There was already a vigorous debate about the early evolution of animals.

When we first see them in the fossil record they have developed three families, so biologists know their early evolution is not yet revealed.

Research there has greatly developed our understanding of early human evolution.

This is an important part of the early evolution of country music.

Language and writing have come a long way since times of early human evolution.

They found Google+'s early evolution process can be roughly divided into three phases.