If you need to move text, an image or another object from one part of a document to another, or from one app to another, you need to use copy (or cut) and paste. On a Mac or MacBook, the keyboard ...

A little more than a year ago, on a trip to Nairobi, Kenya, some colleagues and I met a 12-year-old Masai boy named Richard Turere, who told us a fascinating story. His family raises livestock on the ...