Amino Acids

Scientists analyzed the molecular contents of a sample retrieved from the asteroid Bennu to find both clues and surprises about the possible origin of life on Earth.

Proteins are made up of linear sequences of amino acids but understanding how these amino acids fold to form a three-dimensional structure is notoriously difficult. Knowing what a protein looks like in 3D is often necessary for understanding how it…

Since the beginning of time, the genetic alphabet in all living things has consisted of 4 letters. Now, scientists have discovered a way to expand the genetic code to store and use orders of magnitude more information than ever before. Deoxyribonucleic…