How do you make the perfect cup of tea? A US chemist claims to have the answer

Scientist suggests using a short, stout mug and steeping quickly but with plenty of squeezing to create ideal brew

The secret, according to Michelle Francl, a professor of chemistry at Bryn Mawr College in Pennsylvania, is a pinch of salt — and energetic squeezing of the teabag.

A scientist from the country where you can find tea being made with lukewarm water from the tap claims to have found the recipe for a perfect cuppa.

The secret, according to Michelle Francl, a professor of chemistry at Bryn Mawr College in Pennsylvania, is a pinch of salt — and energetic squeezing of the teabag.