Cattle and zebra share a meal in a pasture in Kenya.
Ryan Lee Sensenig/Science
September 22, 2011 In Africa, some ranchers shoot wildlife to keep them from eating the grass out from under their cattle. But it turns out some wildlife, like zebra, actually help cattle graze — by clearing fibrous grass stalks away and promoting the new shoot growth that cows crave.
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Kwame Nkrumah Masoleum is the final resting place of Ghana's first president, who led the campaign to liberate Ghana from colonial rule on March 6, 1957.
March 8, 2011 In a fascinating piece for The Root, John Dramani Mahama, the current vice president of Ghana discusses the impact that Ghana's independence from colonial rule in 1957 also had on America's Civil Rights Movement.
A demonstrator throws a rock towards police during demonstrations in Tunis.
Fred Dufour /AFP/Getty Images
January 18, 2011 Even though the act that set off the protests in Tunisia -- a young man's self-immolation -- has been repeated in Egypt and some other nations, this morning's conventional wisdom seems to be that other governments won't collapse.
July 13, 2010 Uganda made several arrests in the weekend terrorist bombings that killed at least 76 people.
February 27, 2008 Nine times out of 10, it is the adjectives that get journalists in trouble.
December 17, 2007 Is there a solution to the bloody fighting in the Democratic Republic of Congo?
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