This graphic is part of a special report on consciousness. Read the full feature here. Theorists have proposed many explanations for consciousness. They are startlingly diverse, with different goals, ...

Clay Halton was a Business Editor at Investopedia and has been working in the finance publishing field for more than five years. He also writes and edits personal finance content, with a focus on ...

Process chemistry involves the development and optimization of production processes for chemical compounds, and the scaling up of laboratory reactions, particularly in the pharmaceutical sector.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Eric's career includes extensive work in ...

Theoretical physics is the development of mathematical formalisms and computational protocols for describing all aspects of objects found in the world around us and their interaction. This can involve ...