Science and vaccines
Whenever we took our daughter to the doctor in Germany for her vaccines he would comment along the lines: "good, you're a scientist, I don't need to persuade you that she should have these". Sadly, too many people are taking risks with their children's and other people's health. This is the most depressing research I've seen this year:
and to see the effects:
South Wales measles epidemic (from my old backyard)
Interactive map of preventable disease outbreaks
Good solutions on a postcard ...