The first CRISPR experiment to take place in space shows that DNA can repair itself in microgravity. As part of the "Genes In Space-6" experiment, astronauts on board the International Space Station ...

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 ...