National Geographic News, Reporting Your World Daily

Thursday, October 28, 2010

Photo: Germs Can Travel the World by "Hitchhiking" on Dust


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A satellite photo shows a dust storm swirling over Africa's western coast.

A new study of dust collected from the Caribbean and the Atlantic Ocean by Charles Darwin shows that the particles had originated in the western Sahara and contained "hitchhiking" microbes.

Photograph courtesy Jason Dunion, NOAA