![‘Grey roots are no big deal’ and ‘school maths is hard’: 30 things Brits have learned from lockdown](https://www.netimperative.com/wp-content/uploads/2020/03/covid-lockdown.png)
Having grey roots is no big deal, primary school maths is harder than it looks, a cup of tea really does make things better and our NHS is the best in the world, have emerged among a list of 30 things brits have learned over the last year, according to a new study.