The world's biggest desert that covers 11 countries where temperatures drop to -9C
The desert covers over 3.3 million square miles, which means it's roughly the same size as the entire United States.
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Health And Environment: West Africa’s Hazardous Winds: Harmattan Carries More Than Dust – It Also Spreads Disease
Every year, from December to April, the Harmattan sweeps across Africa. This cool, dry and dust-laden wind gets its name from ...
Sahara desert, once lush and green, was home to mysterious human lineage, study says
Researchers studied the DNA of two 7,000-year-old naturally mummified individuals excavated in the Takarkori rock shelter in ...