TIL members of Lewis & Clark’s expedition took mercury-bearing pills to “treat” constipation and other conditions, and thus left mercury deposits wherever they dug their latrines. These mercury signals have been used to pinpoint some of the 600 camps on the voyage. via /r/todayilearned


TIL members of Lewis & Clark’s expedition took mercury-bearing pills to “treat” constipation and other conditions, and thus left mercury deposits wherever they dug their latrines. These mercury signals have been used to pinpoint some of the 600 camps on the voyage.
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Submitted November 09, 2018 at 11:20PM by walc
Via Reddit https://ift.tt/2T0GGna
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