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Preserved hair reveals just how bad lead exposure was in the 20th century | HN Companion
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Preserved hair reveals just how bad lead exposure was in the 20th century
(
livescience.com
)
19 points
by
Brajeshwar
1 day ago
|
1 comment
View on Hacker News
ChrisArchitect
23 hours ago
[–]
[dupe] you just can't resist can you
https://news.ycombinator.com/item?id=46865275