RALEIGH, N.C. (WTVD) -- Is there lead and asbestos at your kids' school? In North Carolina, testing for lead in school water used to be voluntary, but now a law has made that testing mandatory. The ...

A material’s hardness relates to its mechanical resistance when subjected to mechanical indentation by another harder body. Diamond is considered the hardest natural material and is typically used for ...

Heat treatment is an essential technique for influencing workpiece characteristics. Several industries focus on reliable part design to avoid breaking parts, e.g. by decreasing material weight and ...

Brenda Goodman is a senior news writer for WebMD and Andy Miller is editor and CEO of Georgia Health News. Freelance writers Erica Hensley and Elizabeth Fite also contributed to this report. This ...

Syracuse, N.Y. – A 28-year-old Syracuse employee and a summer intern were up against a new deadline. They needed to collect at least 100 drinking water samples at residential properties for the city’s ...