Humans have about 3 billion DNA bases in their genetic makeup. However, most of it does not encode for protein.

In a way, sequencing DNA is very simple: There's a molecule, you look at it, and you write down what you find. You'd think it would be easy—and, for any one letter in the sequence, it is. The problem ...

A portion of our genome that was once dismissed as being “junk” may actually play an important role in regulating gene expression, new research suggests. According to the work of an international team ...