The so-called gene scissors have made research simpler and more accurate for many scientists. Probably the project that he Maréne Landström, Anders Bergh and Karthik Aripaka could not have carried out around cancer research with older technology. It had become too expensive and too slow.

- For us it is a revolution I would say. There are really only benefits, says Jonas von Hofsten about the gene scissors.

Hear Jonas von Hofsten about what Crispr-Cas9 meant in the clip above.