This study asked whether L2 learners' interaction with other learners can address three of their supposed needs for L2 learning-that is, their needs for L2 input modified toward comprehensibility, for ...

Is the brain a computer? That is, does neural computation explain cognition? One reason to believe it does is that, much like a computer, the brain functions as an input-output system. Stimuli ...

As a rule, municipal water systems are highly complex. A new systems analysis tool, called the input-output water transactions table, is a simple means to understand both the details and overall ...

A beach seems constant from day to day, yet it is an ever-changing river of sand. On a geologic time scale the life of a beach is like a fruit fly in our human time.