This is a preview. Log in through your library . Abstract Developmental differences in children's reliance on the presence of a substitute object and in the importance of similarity between the ...

The browser is increasingly becoming the central application on the PC. Today, users not only open their browsers to view websites, but also to work with office applications such as Word and Excel or ...

Eyestrain is common, but it can generally be treated with simple, noninvasive methods, like adjusting your screen, using eye drops, or taking visual breaks. Share on Pinterest Catherine Falls ...