There were several factors that contributed to their preservation, including freezing, dehydration, saponification, and tanning. Saponification is a process in which fats are transformed into a ...

Sioux City's "Crazy Soap Lady" reveals soap-making secrets. Jennifer Cooper has made soap since 2017, initially as Christmas ...

Although mechanisms such as dehydration, freezing, saponification, and tanning are known to allow for the preservation of the brain when they are less than 4,000 years old, the discovery of older ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Barbara Paldus is the founder of biotech company Codex Labs and an expert on all things skincare, skin health and skin science. Here, she explains everything you ever wanted to know about soap!

Some of the key factors that helped the preservation process include natural dehydration, freezing, saponification, and tanning. Examples come from the last Ice Age, the Stone Age, and a ...

This exercise uses molecular models to calculate atom economy for a saponification reaction. As part of the ChemClub's 10 th Anniversary, we asked clubs to create elements of the periodic table ...

Although Stephanie Sgroi-DeRario did not have a formal education in art, she said, “Art is embedded in me. I used to paint a ...

Imagine a substance that can be used in everything from anti-ageing creams and pharmaceuticals to biodegradable polymers. That’s the power of glycolic acid, a type of alpha hydroxy acid (AHA ...