Beth and Neil have a real conversation in easy English about the things that worry them about the environment and what they try to do to help. Learn lots of vocabulary about the environment. I'm good, ...

Are you an emoji person? We explore how simple smiley faces have become powerful communication tools.

All levels will incorporate skills and concepts to stay safe around water, in addition to those needed to help themselves or others in an aquatic emergency. Beginner - Introduces basic aquatic skills ...

subject: The car runs well. direct object: I bought a book. complements: Mary was president. object of the prep: He walked to the store. indirect object: Sam mailed Joan a letter. possession: The ...

Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...

Cognitive Tutor Authoring Tools (CTAT) is a tool that allows educational researchers with limited programming experience to create cognitive tutors. These tutors provide direction for students as they ...