A bathe in the sea, salt on the skin and sun on the face – that’s what summer feels like. But if you get caught by a wave, your eyes will quickly start to burn and the salt water that goes into your mouth does not taste so good. This is because seawater contains an average of 3.5% salt.

What is a soup without a good pinch of salt? Not only does salt serve as a seasoning, it’s a food in the truest sense of the word; without it we could not survive and it also has healing properties.

Everyone knows salt, everyone eats salt and everyone uses salt. There is so much more to sodium chloride, to give it its scientific name, than just a simple seasoning. Here are the 6 most shocking and interesting facts about salt.

Esco and SALDORO are regional partners of the German running championship B2Run that will take place on Tuesday 31 May in Hannover.