Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Chip Stapleton is a Series 7 and Series 66 ...

Editor’s note: Previous versions of the simulation were incorrectly calculating each team’s odds of reaching the conference finals and beyond. That error has been ...

Alexandra Twin has 15+ years of experience as an editor and writer, covering financial news for public and private companies. Vikki Velasquez is a researcher and writer who has managed, coordinated, ...

US chemist Alice Ball was born in Seattle, Washington, on 24 July 1892. She came from a middle-class African-American family of photographers; her grandfather, James Presley Ball, was one of the first ...

Learn about the basics of blood pressure and high blood pressure: an overview of risk factors, causes, diagnosis, and treatment. Find out what the top and the bottom blood pressure numbers mean, and ...