Obama prods Egypt government on democracy, urges peace
(0:51)
Mandela's daughter visits him in hospital
(0:59)
Chinese fossil discovery casts new light on origin of primates
(0:49)
Israeli team harnesses sun to purify water
(2:06)
Balloons set to take wind power to new heights
(2:33)
School 'superfood' project aims to curb malnutrition
(2:27)
Pope breaks with tradition, washes womens' feet
(1:15)
For captive cheetahs, a dog's life is ideal
(2:15)
Rebels weapons destroyed
(0:42)
Kenya to push for ivory trade crackdown at Bangkok CITES meeting
(2:08)
Kenyatta, Odinga make final campaign push
(0:50)
Kenyans prepare for elections
(1:27)