PasstheSaltisanhour-longinvestigationintothemysteriesofoneofourmostfundamentalelements:salt.It'sanexplorationthattakesusfromfarbeneaththeearth'scrust,totheinnerdepthsofthehumanbody-asearchfortherealanswerstoamountingdebateaboutthebenefitsanddangersofsodiumchloride(tablesalt).PasstheSaltusescreativeandstylishvisualanalogstobringthissciencetolife.Onewouldthinkthatourunderstandingofsomethingasbasicassalt(sometimesreferredtoas"thefifthelement")wouldbestraightforward,butthehumblesalt-shakerholdsmanymysteries.Wemeetpassionateplayersfrombothsidesofthedinnertableanddiscoverhowlong-heldbeliefsarebeingquestioned-andhoweverythingwethoughtweknewaboutsaltmaybewrong.We'lltaste-testsaltsfromaroundtheworld,de-bunkmyths,andre-examinedata.We'lljoinscientistsandscholars,saltharvesters,chefsandspecialistsonthefrontlinesofthe"GreatSaltDebate"inlabs,kitchens,saltharvestingoperations-andevenspaceships.Thisisafantasticopportunitytoexplorenewscienceaboutanancientsubstancethat'sbeenapartofcultureandcuisinefromourverybeginnings.

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