The next time you pick up a bag of spuds from the supermarket or fill up the car with petrol, you can thank a treaty signed 150 years ago for the metric system that underpins daily life. On May 20, ...

For three months, Britons have been advised to keep a wide berth from other people: two metres, to be precise. The two metre rule has been sprayed on pavements, emblazoned at park entrances and ...