The earthy smell that arises when rain falls is known as petrichor. Two Australian scientists coined the term in 1964. Petrichor initially becomes noticeable as humidity rises before the rain but ...

For centuries, people have claimed that their aching joints can predict changes in the weather, often reporting increased discomfort before rain or cold ... exerted by air molecules in the ...

Acid rain can destroy entire populations of species ... Others are made of more complex molecules joined together, such as polymer plastics like polyethylene, polycarbonate, and PVC.

Columnist Caroline Gainer remembers her years living in a steel town, and particularly how it almost assuredly hurt her lungs.

The limestone is reacted with hydrochloric acid or sodium chloride to make the calcium chloride. Students will record their observations and answer questions about the activity on the activity sheet.

Paul Nathanail argues that rather than referring to PFAS as ‘forever chemicals’, the term ‘lingering chemicals’ better ...

With the rise of “skincare” culture and the ever-growing emphasis on caring for our bodies, many medical and scientific terms ...

For centuries, people have claimed that their aching joints can predict changes in the weather, often reporting increased discomfort before rain or cold fronts ... pressure – the force exerted by air ...

So, if astrobiologists ever do find alien life with a weird chemistry that uses some liquid other than water, it's not likely to be methane, ammonia, or molten rock — but somewhere out there, alien ...

This important study uses advanced computational methods to elucidate how environmental dielectric properties influence the interaction strengths of tyrosine and phenylalanine in biomolecular ...