Order doesn’t always form perfectly—and those imperfections can be surprisingly powerful. In materials like liquid crystals, ...

We test and rate the top online tax services to help you find the best one for filing quickly and accurately—and for getting the largest possible refund. I write about money. I’ve been reviewing tax ...

Euny Hong is the former supervising editor at Investopedia.com. She is also the author of two critically-acclaimed, published books. Dr. JeFreda R. Brown is a financial consultant, Certified Financial ...