May is a month full of celebrations—everything from May Day and Cinco de Mayo to Mother’s Day and Memorial Day. Largely forgotten in the cornucopia of May celebrations, however, is National Metric ...

As president of the U.S. Metric Association, Donald Hillger would like to think that his non-profit advocacy group had something to do with presidential candidate Lincoln Chafee's call for America to ...

Atlas Obscura on Slate is a blog about the world’s hidden wonders. Like us on Facebook and Tumblr, or follow us on Twitter. For better or worse, the United States remains one of only three countries ...

Democratic presidential candidate Lincoln Chafee did not give a centimeter on his defense of the metric system Thursday, touting the economic benefits and the symbolic importance of the United States ...

We’ll blame Thomas Jefferson. Oh, not entirely; there are more than 200 years’ worth of criticism to dole out. But in wondering why the United States is not entirely on the metric system, the blame ...