An animal's ranking on the food chain depends on where its meals place on the ladder. That puts plants on the bottom (they make all their food), polar bears on top and people somewhere between pigs and anchovies.
Nelson Mandela served as president of South Africa for five years, elected in the country's first free election with voters from all races. But Mandela decided not to run for a second term. Instead, he set the stage for new elections and a modern democracy. So in June 1999, South Africans and world leaders gathered to inaugurate Thabo Mbeki, the second freely elected president of South Africa. Here are excerpts from Mandela's words that day.
Since the death of anti-apartheid activist Nelson Mandela, tributes and memorials have poured in from around the globe. Mourners count among their number leaders from dozens of countries, including American presidents and Iran's Hassan Rouhani.