In the late 1960s and early 1970s, the American cartoonist Crockett Johnson created a series of paintings on mathematical subjects. They’re based on theorems, laws, and mathematical figures, but ...

Q. 274. How is sin divided? A. (1) Sin is divided into the sin we inherit called original sin, and the sin we commit ourselves, called actual sin. (2) Actual sin is sub-divided into greater sins, ...

While the X-Men made their name in comic form, the X-Men movie adaptations have become beloved in their own right, with such fan favorites as Patrick Stewart’s Charles Xavier and Hugh Jackman’s ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Chad Langager is a co-founder of Second Summit Ventures. He started as an intern at Investopedia.com, eventually leaving for the startup scene. Andy Smith is a Certified Financial Planner (CFP®), ...