social entrepreneurship

Science, Tech & Environment

These university students have found a way to make prosthetic limbs affordable to the masses

The fact is, prosthetics can change the course of someone's life. But they're usually prohibitively expensive — available only to the well-insured and the well-to-do. But a team of graduate students in Massachusetts say they've found a way to build artificial limbs for just a few dollars, potentially making these life-changing devices available all over the world.

Global Politics

Her contributions to South Africa were unknown, but a new film aims to change that

For 95 years the remains of Nokutela Mdima Dube lay ignored in a Johannesburg cemetery. Also ignored were her contributions to education, the creation of the African National Congress, and even a distinctive singing style later made famous by Miriam Makeba. Now a new documentary by an African scholar and filmmaker based in Minnesota restores Nokutela's place in the historical narrative of the New South Africa.

Lifestyle & Belief

Quiet greening of West Africa

The Sahel region of West Africa is being hit hard by climate change. But from the country of Burkina Faso, Mark Hertsgaard spotlights a small green miracle that's helping farmers fight the warming trend. The secret, he says, is trees. On PRI's The World.

Science, Tech & Environment

Storing CO2 underground

There are two ways to reduce carbon dioxide. Emit less or remove it from the atmosphere by sequestering it below the earth's surface. As Ashley Ahearn reports, some of the most promising research in this field is happening in Iceland. On PRI's The World.