Reading time: five minutes, about the time it takes to fry an egg.

Reading time: 5 minutes, about the time it takes to stash away your Christmas jumper.

Reading time:  5 minutes, about the time it takes to eat a mince pie.

Reading time: 4 minutes, about the time it takes to pour yourself a glass of wine.

Reading time: 4  minutes, about the time it takes to make a cup of hot chocolate.