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 ...

Persistent pollutants are invading the Amazon. Far from industrial zones, worrying traces of toxic substances are persisting ...

There has been no comprehensive inventory of all substances that can migrate into food and of studies that examine their ...

As explained by CNN earlier this month, a new study found that black-colored plastic used in children's toys, takeout ...

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 ...

Chemicals are omnipresent today. They enter our bodies through food, air or the skin. But how do these complex mixtures of ...

PFAS chemicals are called "forever chemicals" because they are not easily broken down. Potential health risks include cancer, ...

These describe how a substance looks and behaves. There are two types of properties: physical and chemical. Watch this video about how physical and chemical properties affect which materials we ...

To promote voluntary improvement of management of chemical substances by business operators and to prevent any impediments to the preservation of the environment through the establishment of the ...

The diagrams show what happens when iron filings and sulfur powder react together in a chemical reaction, rather than just mix together. Joined or not The different substances are not chemically ...

They may also face increasingly dangerous situations in pursuit of a substance supply. Independent of the addictive process, problems can also develop from the taking of any chemical substance.

esearchers have patented the active ingredient against gastrointestinal stromal tumors and licensed it to a pharmaceutical ...