Materials Science

DEVENS, Mass. - American Superconductor Corp., which makes equipment for power generators and utilities, said Tuesday it has promoted Daniel P.

WEST PALM BEACH, Fla. - A federal probe of tainted Chinese drywall has broadened because a small number of homeowners are reporting that American-made drywall is causing some of the same problems: a sickening, sulfurous stench and corroded pipes and wiring.