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 ...

Stay up to date on the latest science with Brush Up Summaries. Article reviewed by Ninning Liu, PhD from the Wyss Institute at Harvard University. Similar to retail stores that use standardized ...

For decades, biologists have known that the instructions for life are written in DNA, yet the vast majority of those letters seemed to sit in the dark, doing little that was obvious. Now a new ...