It focuses on the forces, the dynamism or speed of these changes.

The focus should really be on these kinds of factors not so much just the straight number of hours worked.

The report highlights evidence of a dramatic shift toward drier conditions in Africa about 2.8 million years ago.

This hit song about finding love features a singer promising his girl he will always love her.

But she stressed that she learned as much about Arab women as they did about her.