Scientific research methodologies explore the many aspects of reliable, valid and sound research techniques. Based on his or her knowledge, a scientific research methodologist can act as a consultant on different research projects, as well as providing expert opinion and oversight.

Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and comprises 30% of its land area.

The PhD is a doctoral degree, specifically called a "doctor of philosophy" degree. This is misleading because PhD holders are not necessarily philosophers (unless they earned their degree in philosophy!). That said, PhD recipients are able to engage in thought experiments, reason about problems, and solve problems in sophisticated ways.