ghostBones@lemmy.world to Collapse@lemmy.mlEnglish · edit-21 year agoNew report reveals unexpected source of lead contamination: ‘We never knew about it so we never acted on it’news.yahoo.comexternal-linkmessage-square2fedilinkarrow-up13arrow-down10file-text
arrow-up13arrow-down1external-linkNew report reveals unexpected source of lead contamination: ‘We never knew about it so we never acted on it’news.yahoo.comghostBones@lemmy.world to Collapse@lemmy.mlEnglish · edit-21 year agomessage-square2fedilinkfile-text
minus-squarePons_Aelius@kbin.sociallinkfedilinkarrow-up1arrow-down1·1 year ago widespread cognitive and neurological decline. Can you link a source for this? Everything I have read indicates that IQ scores (as flawed as they are, they are one metric that has been used for decades) have been constantly rising for decades.
Can you link a source for this?
Everything I have read indicates that IQ scores (as flawed as they are, they are one metric that has been used for decades) have been constantly rising for decades.