The USS Constitution, RMS Titanic, and SS Great Britain are among the most famous ships in history. In addition to their historical significance, all three share a common detail—their names begin with ...

Meet the metric system’s newest prefixes: ronna-, quetta-, ronto- and quecto-. Science News spoke with Richard Brown, head of metrology at the National Physical Laboratory in Teddington, England, ...

The metric system's governing body has added some new terms to help describe massive amounts of data. The General Conference on Weights and Measures last week added the prefixes "ronna" and "quetta." ...

A metric prefix is a numerical multiplier that is placed before a basic unit of measure to indicate a specified multiple or fraction of that unit. The 20 recognized metric prefixes have been specified ...

There are spelling rules to follow when you add prefixes to words. Watch this clip to learn to learn more about these rules and see some examples. Root words are the basic words that are used to form ...

Prefixes are a group of letters that change the meaning of a word when they are added to the start. Most prefixes mean a similar thing when they're added to different words. Prefixes are a group of ...