Interest is defined as the cost of borrowing money or the rate paid on a deposit to an investor. It can be classified as simple interest or compound interest.

Reviews of notable new fiction, nonfiction, and poetry.

Researchers from the McCullagh Group in Oxford University's Department of Chemistry have published an innovative method in ...

All substances are described by their formulae, which are used to write balanced chemical equations. Writing the formula for an ionic compound requires knowledge of the charges on its ions.