8 hours agoNewsDuration 1:32
An American chemist’s recipe for the perfect cup of tea nearly caused a diplomatic rift between the U.S. and the U.K., with the U.S. embassy offering a tongue-in-cheek apology over the matter. Prof. Michelle Francl’s perfect cup consists of boiled water (not microwaved), energetically dunked tea leaves and … a pinch of salt.
