Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Dr. JeFreda R. Brown is a financial ...

Personality is considered one of the most interesting aspects of human psychology. Its effect is prominent in how we think, behave, and connect with others around us. For decades, psychologists, ...

If you could save lives by producing vaccines in transgenic bananas, would you? In the debate over large-scale commercialization and use of GMOs, where should we draw the line? Vaccines Tobacco ...