After five weeks of development, a human brain organoid (left) is roughly twice the size of those from a chimpanzee (top right) and a gorilla (bottom right). S. Benito-Kwiecinski / MRC LMB / Cell ...

The genetic code acts as life’s instruction manual, telling cells how to build proteins from DNA and RNA. (CREDIT: Adobe Stock Images) The genetic code acts as life’s instruction manual, telling cells ...

Despite awe-inspiring diversity, nearly every lifeform – from bacteria to blue whales – shares the same genetic code. How and when this code came about has been the subject of much scientific ...