This circular diagram represents the genetic code, showing how the four nucleotide bases of RNA (adenine [A], cytosine [C], guanine [G], and uracil [U]) form codons that specify amino acids. Each ...

The genetic code is the recipe for life, and provides the instructions for how to make proteins, generally using just 20 ...

Decades of research has viewed DNA as a sequence-based instruction manual; yet every cell in the body shares the same genes – so where is the language that writes the memory of cell identities?

For Save the Koala Day, learn how conservation geneticist Rebecca Johnson’s work helps protect these iconic marsupials Jack Tamisiea Smithsonian chief scientist Rebecca Johnson snaps a selfie with one ...