Preserved hair reveals just how bad lead exposure was in the 20th century | Hacker News

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		Preserved hair reveals just how bad lead exposure was in the 20th century (livescience.com)
		19 points by Brajeshwar 9 days ago \| hide \| past \| favorite \| 1 comment

ChrisArchitect 9 days ago [–]

[dupe] you just can't resist can you https://news.ycombinator.com/item?id=46865275

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