☆ Yσɠƚԋσʂ ☆@lemmy.mlM to United States | News & Politics@lemmy.mlEnglish · 3 days agoLead Exposure in Last Century Shrank IQ Scores of Half of Americanstoday.duke.eduexternal-linkmessage-square0linkfedilinkarrow-up115arrow-down10
arrow-up115arrow-down1external-linkLead Exposure in Last Century Shrank IQ Scores of Half of Americanstoday.duke.edu☆ Yσɠƚԋσʂ ☆@lemmy.mlM to United States | News & Politics@lemmy.mlEnglish · 3 days agomessage-square0linkfedilink
