Steph McGovern explores the rich and unexpectedly diverse history of salt.
Steph McGovern examines how salt has become a fashionable and diverse ingredient.
Sheila Dillon asks if there is a place for salt in our cooking and if all salts are equal.
Sodium, the explosive alkali metal that is crucial for all life on Earth.
Speciality salts have never been more popular. Simon Parkes investigates.