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 ...
Nucleotides are the ultimate biological building blocks. The molecules, known by their single letter abbreviations A, C, G, T and U, combine in cells in multiple ways to make single strands of DNA and ...
The problem of antibiotic-resistant bacteria has many health experts worried. As disease-causing bacteria adapt to some of ...