Well-designed and operated wastewater facilities can unlock valuable resource recovery—reclaiming water, energy, and ...

Water is in the liquid state. It can flow because its particles can change position and slide past each other. Air is in the gas state. It fills a room because the particles are far apart and are ...

HAP emissions are very low for gas turbines. Formaldehyde is the primary HAP. PM: PM stands for particulate matter (particle pollution)—the term for a mixture of solid particles and liquid droplets in ...

That "something else" appears to originate from space.

Scientists have captured the first-ever video of atoms in motion during a chemical reaction, revealing hidden pathways and ...

Scientists reveal an underground ocean beneath Earth’s crust, holding more water than all surface oceans combined. The post ...

You probably learned in school that there are three states of matter: solid, liquid and gas. Think ice cube, a puddle of water, and steam. Maybe you also learned about a fourth state, known as plasma.

I was taught that there are three kinds of matter: solids, liquids and gases. But aren’t there others? David D. Slocum, Kahului, Maui, Hawaii Yes, there are others—the universe has been found ...

According to the Internal Revenue Service (IRS), passive income generally includes earnings from rental activity or any trade ...