Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of experience as a business executive. He is a professor of economics and has raised more than $4.5 billion in ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Yarilet Perez is an experienced multimedia ...

What is macroevolution? Why is it important? How can macroevolutionary thinking help with interpreting patterns of primate evolution? Understanding macroevolution is important because it explains both ...

Fad diets come in all flavors: Some ban grains and fruit, while others are based on eating mostly cereal or fruit. Welcome to the confusing world of ultra popular — and often wild — weight loss plans.

The Roman god Janus had two sets of eyes—one pair focusing on what lay behind, the other on what lay ahead. General managers and corporate executives should be able to relate. They, too, must ...