We meet experts at the Human Genome Editing Summit in London, seeking to cure genetic disease and ensure that it is safe and available to all.
Roland Pease hears from Victoria Gray, the first person to be cured of the debilitating and life-shortening disease sickle cell anaemia by gene editing, and from the scientists making it possible.
Also, the prospect of work to attempt gene rescue in fetuses before they are born. But the technology is expensive and complex. The question troubling the participants is to ensure people across the world can benefit from it, not just the rich and privileged.
And what are the limitations of gene editing? Can it be made more effective, safer? And what of gene edits that will be inherited by future generations?
On the anniversary of the first telegraph being sent, the team discover how the telegraph was used as a colonial tool in Ghana, and how an eccentric Brazilian emperor helped spark a communications revolution.
They also reveal how tiny worms have helped scientists work out how our hearing works,...
After the elections in Thailand and Turkey, we explore the forces that shape how you decide to vote. Clue: a lot of it comes down to us being social animals. We getting stuck into various sticky subjects – the glue that holds together animal societies, the cells in our bodies and even the...