MicroRNA is the master regulator of the genome; researchers are learning how to treat diseases by using the way it controls genes

The Earth emerged 4.5 billion years ago, and life less than a billion years after that. Although life as we know it depends on four major macromolecules – DNA, RNA, proteins and lipids – it is believed that only one was present at the beginning of life: RNA. It’s no surprise that RNA probably came … Read more