Who fatally undermined Scott's Antarctic expedition?

[rangerrebew]

Who fatally undermined Scott's Antarctic expedition?

Date:
    October 5, 2017
Source:
    University of New South Wales
Summary:
    What doomed Captain Robert Falcon Scott's British Antarctic Expedition in 1912? Scientists have uncovered documents and diary entries that suggest a team member stole food Scott needed, failed to pass on orders that would have sent out a dog team to meet the men and then changed his story over time to cover up his role in their deaths.
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FULL STORY

https://www.sciencedaily.com/releases/2017/10/171005102638.htm

[DB]

I thought lead poisoning was a big factor from the lead sealed cans.

Editing my earlier post...

It looks like it was Sir John Franklin's 1845 Arctic expedition that ended due to lead poisoning of the canned food.