While there already is a number of interesting RG questions discussing Brexit, none of them appears to concentrate enough on how would Brexit affect the researchers and Universities in the UK, EU and the world, so I think it could be a good idea to discuss this separately.
To get things started, let me point out an interesting link extracted form the answer of Ljubomir Jacic to the question https://www.researchgate.net/post/Will_Britains_exit_from_the_European_Union_strengthen_Russia_in_the_World :
http://www.euroscientist.com/brexit-day-life-british-academic/