Products must state if they contain chemicals tied to cancer or other risks. As a result, manufacturers have pulled back from ...

A common example is plastic. To make it, petroleum is processed and chemically changed to eventually become plastic. The series of chemical reactions that are used to change natural resources ... and ...

Gas compressibility can lead to choked flow in piping systems. Presented here is an overview of choked-flow geometries in pipes, and examples of how choked flow arises in different pipe layouts The mo ...

New database aims to help cities map out their own CO2 cuts as President Trump looks to eliminate federal programs.

Amid a historically unprecedented barrage of executive orders, the key question is: Does the president have the power to ...

In the middle of the eighteenth century the attempt was made to explain in a general way that most striking of all ordinary chemical changes ... of the elements. For example, it was noticed ...

What are Ukraine's mineral resources and what can the country offer the world? The world is in the midst of a race for rare ...

Comorbidities can change the way ... damaging your arteries. Example: Depression and chronic illness Depression is comorbid with most chronic illnesses. In some cases, that may be partly due to common ...

The first major overhaul of US chemical safety regulations in over a decade introduces sweeping changes to classification, ...

Enzymes significantly speed up the chemical reactions that keep you alive. Researchers are using AI to create new ones to tackle modern challenges.

In a chemical reaction, new materials are always formed. Sometimes these new materials are useful to us. Irreversible changes are permanent. They cannot be undone. For example, you cannot change a ...