Getting salt from the sea the old-fashioned way

Salt is an essential nutritional element for humans.  It is also a widely used preservative and, in some cultures--like Japan--, it's regarded as a purification element for religious purposes. Over millenia we've learned many ways to extract this mineral from the world around us.  In the Japanese archipelago, where one is never more than 90 … Continue reading Getting salt from the sea the old-fashioned way