Sweeney is a contributor for TIME. Sweeney is a contributor for TIME. You may have seen people on social media spritzing hypochlorous acid on their faces, bedding, countertops, and dog blankets. They ...

One of the most elegant theories about the origins of life on our planet is that it was kick-started by a delivery from outer space. This idea suggests that prebiotic molecules—the building blocks of ...

Stearic acid, formally octadecanoic acid, is a fatty acid that is present as a component of triglyceride esters in many natural sources. It occurs most widely in animal fats and products made from ...

Aimed at softening and smoothing skin by gently but effectively exfoliating the top layer of skin, lactic acid can significantly improve the appearance of all skin types with regular use. It can be ...

From glycolic to salicylic, exfoliating acids have quickly become a mainstay in our beauty routines. But lactic acid seems to be the lesser known of the bunch, despite being a dermatologist’s favorite ...

Buzzy skin care ingredients can take off overnight on social media, but the trending acid of the moment doesn’t always come with an instruction manual. Wondering how to apply glycolic acid on your ...

Hypochlorous acid is a gentle acid used for soothing inflammation, speeding up wound healing, and treating skin conditions like acne and eczema. Hypochlorous acid, aka HOCl, is one of the hottest ...

Hypochlorous acid may help manage conditions such as eczema, encourage wound healing, and treat scars. However, more research is necessary. Hypochlorous acid has antibacterial and antimicrobial ...

Researchers demonstrated how amino acids could spontaneously attach to RNA under early Earth-like conditions using thioesters, providing a long-sought clue to the origins of protein synthesis. This ...

Amino acids are absolutely essential to our health—and for life itself. They are the so-called “building blocks” of proteins. They play a key role in the growth, repair, and maintenance of almost ...

Acid rain is a term that refers to not just rain but also other forms of precipitation such as snow, hail, sleet, and fog that has a higher acidity than normal. Acid rain is caused by the burning of ...