At rural hospitals in Africa, you'll often see high-tech medical equipment discarded and unused. In places where electricity is unreliable and spare parts are unavailable, expensive devices can quickly become worthless. So Dr. Oluyombo Awojobi designs and builds his own low-tech devices to keep his hospital running.
One of the more potent reasons for saving species and the environment is that nature is where we find our most powerful medicines. For three decades, a hunt's been underway on land and sea for molecules that could help fight cancer. That hunt is winding down now in the coral reefs of Palau.
Hundreds of thousands of women in sub-Saharan Africa suffer from a complication that leaves them incontinent and often shamed after childbirth. But there's help for women to heal both physically and emotionally — and it's working for one mother in Malawi.
A research study last year showed that a simple antibiotic can reduce a severely malnourished child's chances of dying by nearly 40 percent. But getting that antibiotic to the children who need it is easier said than done.