CNN — I was at the supermarket recently when I took note of something my eyes had passed thousands of times before. The cans of my favorite sodas were 12 ounces, while the bottles were 2 liters. It ...

Have you ever noticed that systems of measurement tends to change when you leave the United States? Weight is typically measured in kilograms instead of pounds, distance is measured in kilometers over ...

Metric units have conquered the globe, but in the US and the UK, their presence has become part of a culture war between ‘traditional’ and ‘progressive’ values. is a senior reporter who has covered AI ...

An oft-repeated "weird fact" is the claim that, if not for the scourge of Caribbean piracy, the United States would have adopted the metric system in the 1790s, making it the country's standard system ...