Yesterday was a good news day. In the 20 minutes that I had the radio on there were two really positive stories. The story about Pfizer's Covid-19 vaccine gives real hope that we might be able to return to something resembling normality after this strangest of years. The speed with which their vaccine and other similar ones have been brought to this stage is unprecedented. No one reading this needs reminding that Covid-19 has blighted everyone's lives and presented new and unwelcome challenges to those already struggling with Parkinsons so this is a breakthrough worth shouting about. I was still smiling about that story when Nick Robinson of BBC News started talking to Demis Hassabis of DeepMind about how they have largely solved the 50 year old problem of protein folding. Despite the enormous significance of the vaccine, I don't think that it's an exaggeration to say that this could be just as important. Image attribution: Dcrjsr While current treatments for Parkinso...