To answer a question or ask a new one, email lastword@newscientist.com Tannins are complex, water-soluble organic compounds found in a wide range of plants, including tea and coffee. They are a ...

If you're using a tea bag: Simply drop the bag into your mug or teapot. And there you have it: the perfect, comforting cup of English tea. Do you like your tea strong or on the lighter side?

A doctor has issued a major warning to tea drinkers - including anyone who drinks just one mug a day. Physician and University of Ottawa graduate Mark Hyman took to Facebook to warn his ...