THE slogan may be “get Brexit done”, but the reality is that big questions remain unanswered over what will happen once the UK leaves the European Union on 31 January.

The official departure date starts the clock on an 11-month transition period during which the UK must follow most of the EU’s laws while negotiating a future trade deal. If there is no agreement by the end of the year, there could be big consequences for science, energy and more.

There …