You want it, you need it, but if you get too much, it could kill you. Salt is so much more than just a seasoning; it has changed the course of human history!
03:00 your body and salt
05:55 drinking saltwater
11:10 paying Roman soldiers in salt
14:50 how salt makes food taste good
17:40 salt mining and a big booboo
24:33 zany alternatives to road salt
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Music by Kevin MacLeod
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