PLANTATION, Fla.—Carbon black measurement requires consistency, reliability and precision, and testing technology company Qualitest claims its new QualiCBCT-200 tester can provide that and much more ...

Free-floating DNA carrying cancerous mutations was detected in blood three years before any other signs of cancer appeared.

CR tested 10 of the most popular synthetic braiding hair products for heavy metals and VOCs. We found carcinogens and more in 100 percent of the samples.