This is a book of two halves, or more accurately two interlaced parts. Biologist and science communicator Brian Ford published a book called Nonscience in 1971. What we have here is that original book, but with a new introduction, while every chapter has an extra section on the end of it written in 2020 including text that is up-to-date enough to include, for example, the COVID-19 pandemic. The four star rating of Nonscience Returns is entirely and only for the extra material. I'm afraid the old material has not aged well, but the book is still worth reading for the modern parts. What we have here is a satirical look at the way that what used to be simple science has increasingly become a field where 'Experts' hold forth to the public and work primarily to forward their careers rather than carry out research that has any value. In the modern section, which we'll return to, Ford is great at bringing down pomposity and irrelevance. But let's get the original boo...