The gene editing tech that uses 'molecular scissors'

In 2012 a form of gene editing was discovered with great fanfare, it is called CRISPR Cas9. Put simply, it uses "molecular scissors" to alter a very specific strand of DNA - either cutting it out, replacing it or tweaking it.

The BBC met one of the companies working to get the science from the lab to the clinic.

This is part of the BBC's Disruptors series. You can read the full article here.

Producer: Adrienne Murray; Camera: Ian Cartwright; Picture editor: Sara Hegarty