A chemical substance is a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent ...

Health experts have only recently begun to explore the harmful — and potentially carcinogenic — properties of PFAS.

The opaque plumes of noxious smoke billowing out of a Georgia chemical plant are long gone. But the relentless effects of the BioLab fire in Conyers are still visible, residents say – from exacerbated ...

Europe’s regulation on chemicals is imperfect but essential for public health. A reform may streamline processes and increase ...

This progression typically occurs in stages: Initial escape: Men often turn to substances for temporary relief from feelings ...

Because substances are made up of different atoms and molecules, they react in characteristic ways. Production of a gas, color changes, a change in temperature, and the formation of a precipitate are ...

Due to the unique properties of PFAS, almost no other chemical substances can compete with them. That explains why it is so ...

Companies’ use of a solvent to produce other substances and its unintentional formation through common household and ...

Throughout Russia's full-scale military aggression against Ukraine, Russian forces have been using not only conventional ...

Microplastics, plastics smaller than 5 millimeters, are littered across the world, contributing to global warming, disrupting food chains, and harming ecosystems with toxic chemicals. This is why ...

In the month of October, DeKalb County Sheriff Nick Welden said his officers and several other agencies arrested 32 people on ...

Once the air quality was clear and the substance was cleaned up ... say something. In the event of a chemical spill or any ...