|However, the Sept. 16, 2002, issue of New Scientist reports, Africa's deserts are in 'spectacular' retreat . . . making farming viable again in what were some of the most arid parts of Africa. | |However, the Sept. 16, 2002, issue of New Scientist reports, Africa's deserts are in 'spectacular' retreat . . . making farming viable again in what were some of the most arid parts of Africa. |