Politics & Science

What happens to people when they become government science advisers? Are their children taken hostage? Is a dossier of compromising photographs kept, ready to send to the Sun if they step out of line? I ask because, in too many cases, they soon begin to sound less like scientists than industrial lobbyists. The mad cow crisis 20 years ago was exacerbated by the failure of … Continue reading Politics & Science

Lead Exposure

This study compares changes in children’s blood lead levels in the United States with subsequent changes in IQ, based on norm comparisons for the Cognitive Abilities Test (CogAT) given to representative national samples of children in 1984 and 1992. The CogAT norm comparisons indicate shifts in IQ levels consistent with the blood lead to IQ relationship reported by an earlier study and population shifts in … Continue reading Lead Exposure