The question “What is the difference between a mixture and an alloy?” comes from Ms. Thelen’s class. An alloy is a noun that describes a metal made from the combination of two or more metallic ...

Synbiotics are mixtures of probiotics (helpful gut bacteria) and prebiotics (non-digestible fibers that help these bacteria grow). Specifically, they're combinations of these two things that work ...

Smelling salts, sometimes called ammonia inhalants or ammonia salts, are mixtures of ammonia and other chemicals used to help revive people who've fainted. Smelling salts are inhalants made up of ...

Metals, particularly nickel and vanadium, and sulfate particles are the components of fine particulate air pollution (PM2.5) ...

In mixture-of-mixtures experiments major components are defined as the components which themselves are mixtures of some other components, called minor components. Sometimes components are divided into ...

BUFFALO, N.Y. — A first-of-its-kind study has measured the toxicity of several types of per- and polyfluoroalkyl substances (PFAS), better known as “forever chemicals,” when mixed together in the ...