'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including ...

Traditionally, Roman society was extremely rigid. By the first century, however, the need for capable men to run Rome’s vast empire was slowly eroding the old social barriers. The social structure of ...

Knowledge gained by combining measurements and simulations leads to increased confidence in the safety of products, as Louise Wright explains.