You may be salt of the earth, or turned into a pillar of salt. You may be important enough to sit above the salt, or sadistic enough to rub salt into someone’s wounds – perhaps the person you are attacking is an old sea salt. You may be worth your salt, or be trying to salt away a fortune. There are few compounds that crop up as frequently in phrases and sayings as common salt, which is why I really enjoyed having it as my next compound in the Royal Society of Chemistry podcasts.
You can take a listen to the podcast here, or choose it from my little list: