Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

When Aristotle claimed that humans differ from other animals because they have the ability to be rational, he understood rational to mean that we could form our views and beliefs based on evidence, ...

Rationality is what keeps us sane in the messiness of life. Being able to stay rational through a difficult time, or just for as long as a simple argument, is a sort of safety vest we can wear to not ...

Standard IQ tests are problematic on many levels — not least, because they do very little to tell us about the quality of our thinking. Looking to overcome this oversight, psychologist Keith Stanovich ...

The bishop’s gambit. Franz-Peter Tebartz-van Elst is the bishop of Limburg, Germany. He made front-page news when he built a residence for ~42 million Euros instead of the estimated 5.5 million ...

According to sociologist John H. Evans, the public debate over the ethics of human genetic engineering (HGE) has changed markedly since its inception in the 1950s, and changed for the worse. Playing ...