There was a post yesterday, or maybe the day before, here on HN about a BBC study that talked about intelligence related to a vote for Brexit. They claimed that

There was a post yesterday, or maybe the day before, here on HN about a BBC study that talked about intelligence related to a vote for Brexit. They claimed that people of low intelligence voted for Brexit. https://news.ycombinator.com/item?id=38413594 https://news.ycombinator.com/item?id=38413594