Nucleic acids are chains of nucleotides that are a vital part of all living beings. The two most common types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), which provide ...

Everything on Earth is made of atoms, most of which are closely packed together in the form of minerals. Life has its uses for minerals—ask a coral reef—but its essence lies in atoms arranged as ...

Azelaic acid is a type of acid that's found in some grains like rye, wheat, and barley. It's naturally produced by Malassezia furfur (also known as Pityrosporum ovale), a yeast found on healthy skin.