Expats and tourists from the United States come to Costa Rica with a handicap. While most of the rest of the world, including Costa Rica, is using the metric system, the U.S., despite several efforts ...

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 caught ...

Americans have long used diverse weights and measures, reflecting their diverse origins. From colonial times, converting from one unit to another was part of courses in commercial arithmetic. The ...

The United States is one of just three countries that "prefers" imperial measurements over the international metric standard. The motivation why has less to do with official policy than you might ...

When Sally Mitchell, a science teacher at East Syracuse Minoa Central High in Syracuse, New York, spoke to a group of students at the recent U.S. Department of Energy National Science Bowl, she ...