Eat This Rock!

Alton gives a lesson on salt, the only rock on the planet that we eat. Salt's historical significance and influence on wars, its many shapes and forms, its formation, harvesting and processi... Read allAlton gives a lesson on salt, the only rock on the planet that we eat. Salt's historical significance and influence on wars, its many shapes and forms, its formation, harvesting and processing, its chemical composition and multiple ways to use are demonstrated.Alton gives a lesson on salt, the only rock on the planet that we eat. Salt's historical significance and influence on wars, its many shapes and forms, its formation, harvesting and processing, its chemical composition and multiple ways to use are demonstrated.