After 'doomsday' floods, Sudanese fear worse to come

In the Sudanese village of Makaylab, Mohamed Tigani picked through the pile of rubble that was once his mud-brick home, after torrential rains sparked heavy floods that swept it away.

Droughts in the sixth century paved the way for Islam

Extreme dry conditions contributed to the decline of the ancient South Arabian kingdom of Himyar. Researchers from the University of Basel have reported these findings in the journal Science. Combined with political unrest ...