President Obama made a forceful call Wednesday for a new era in global relations, urging the United Nations to move past old divisions and disputes to reassert itself as a leading force in confronting the most pressing issues.
A street vendor in Ghana's capital sells small American flags with an image of President Obama on them, in front of a billboard that proclaims "Akwaaba" -- or "Welcome" -- next to a smiling image of the U.S. leader.
One afternoon late in 2002, Mukhsin Alhassan Kadir drove his taxi from the busy streets of Accra, the capital of Ghana, to a nearby market community to meet a man who wanted to trade a plot of land for two cell phones.
ACCRA, Ghana -- Manuel "Junior" Agogo is making a name for himself. A career journeyman who has made stops in England's lower leagues, and even Major League Soccer, Agogo has become a national hero in Ghana with his inspired performances here at the African Cup of Nations.
ACCRA, Ghana -- The Ghanaian national team practices at the Elwak, a small stadium on a military base. Presumably, the army teams play here, while their generals watch from the leather recliners in the south stand. The grass is overgrown, like all the fields in Ghana, but the field is smooth and there's a tall, barbed-wire wall around the complex to keep the riffraff out.
For most of us taking on a marathon is enough of a mental and physical challenge, but for a growing number of athletes wanting to push themselves to the limits, 26 miles is a mere warm-up for an ultra-marathon.
From micro-tags in bags to vibrating vests, computing is moving from our desktops and portable gadgets to a more integrated relationship with our lives -- through our clothes. It's more than just incorporating an mp3 player into a jacket. Engineers working in the field of pervasive computing are aiming to create smart fabrics, embedded with computer chips and sensors that will enhance and possibly even save our lives.