In South Africa, controversial images of a frail and ashen Nelson Mandela being visited by South Africa's current president aired on national television this week. Some people claimed it was a political publicity stunt.
The footage is fueling fresh debate about what is proper and what constitutes invasion of privacy regarding the ailing, 94-year-old former president and anti-apartheid legend.
President Jacob Zuma, accompanied by two other top officials of the governing ANC party, visited Mandela at his Johannesburg home on Monday.
Rats are notorious for spreading nasty diseases. Think the plague, lassa fever and even salmonella.
But could some jumbo-size African rodents help health workers diagnose diseases more quickly? They just might.
A group in Tanzania is training rats to detect tuberculosis in people. The critters in question are African giant pouched rats. They are about twice the size of your average house gerbil — and half as pretty.