Ever wondered why tea’s stimulant effect feels different to that of coffee? Or why sometimes, when you make a brew, thin scum forms on the tea’s surface? On National Tea Day, here’s a graphic to answer those questions and more!

Ever wondered why tea’s stimulant effect feels different to that of coffee? Or why sometimes, when you make a brew, thin scum forms on the tea’s surface? On National Tea Day, here’s a graphic to answer those questions and more!