One country supplies 75 percent of the world's platinum. Economic geologist Anthony Naldrett details how platinum from its mines at the Bushveld complex ends up in everything from catalytic converters to expensive bling.
Greensboro-based hip-hop group Phive paid tribute to Nelson Mandela's birthday today by releasing a special song. Marco Werman speaks with singer and songwriter Afika Nxumalo about his connection to South Africa and the song he penned called "Madiba."
Earlier this week, reporter Anders Kelto asked a student at COSAT why she had missed class. In perfectly measured tones, she told a truly heart-breaking story, and one that revealed some of the challenges of teaching in Khayelitsha.
Though he's still living, Nelson Mandela, the revered former leader of South Africa, makes fewer and fewer public appearances. Now 93, many South Africans are preparing for the day Nelson Mandela will no longer be alive.
Thursday was the 95th birthday of South Africa's former president and anti-apartheid icon Nelson Mandela. Across the country, many chose to do 67 minutes of volunteering, to honor the man's 67 years in prison or politics. Students at the Centre of Science and Technology joined in.