Every Life Has Equal Value (Part 2): @gatesfoundation CEO Susan Desmond-Hellmann w @sciam Editor-in-Chief @mdichristina, Sci Talk podcast

Gates Foundation CEO Dr. Susan Desmond-Hellmann and Scientific American Editor-in-Chief Mariette DiChristina talk about the Foundation set forth in its recently released annual letter. Part 2 of... -- Read more on ScientificAmerican.com