METHODS for measuring antioxidants and appraising antioxidant activity appear to be of two general types. If the chemical nature of the antioxidant is known, one may strive for a test specific for the ...

Your money shouldn’t be a mystery, but it is to many people. In fact, 65% of Americans don’t know what they spent last month, according to a 2020 survey conducted by budgeting app Mint. “People are ...

A GCSE Maths video about using vector notation. This video, with worked examples, explores describing vectors in terms of their start and end points, as bold letters, or represented as a column vector ...

Koshy Mathai is the IMF’s Resident Representative in Sri Lanka. Opinions expressed in articles and other materials are those of the authors; they do not necessarily reflect IMF policy.