CRISPR is a technology that can be used to edit genes and, as such, will likely change the world. The essence of CRISPR is simple: it’s a way of finding a specific bit of DNA inside a cell.

In fact, one scientist claims that he's genetically engineered two babies using a revolutionary tool called Crispr. But what exactly is a "Crispr baby" anyway? Would you like to be 6 feet tall?