Earth in early times looked a lot different than it does now. It was a hot, high-pressure environment with no ozone layer and no oxygen in the atmosphere. Still, organisms that existed at these times ...

It is a matter of contention whether it is possible to provide a philosophically convincing general explanatory framework for the biological sciences which is also of scientific value. The authors of ...

A research question is 'a question that a research project sets out to answer'. Choosing a research question is an essential element of both quantitative and qualitative research. Investigation will ...