ragica@lemmy.ml to Uplifting News@lemmy.worldEnglish · 8 days agoA century of hair clippings show lead exposure rates [in the US] have plummetedplus-squarewww.scientificamerican.comexternal-linkmessage-square14linkfedilinkarrow-up11arrow-down10
arrow-up11arrow-down1external-linkA century of hair clippings show lead exposure rates [in the US] have plummetedplus-squarewww.scientificamerican.comragica@lemmy.ml to Uplifting News@lemmy.worldEnglish · 8 days agomessage-square14linkfedilink
