I think of myself as a global citizen.

In three years, every product my company makes will be obsolete. The only question is whether we will make them obsolete or somebody else will.

Lectures should go from being like the family singing around the piano to high-quality concerts.

The most interesting biofuel efforts avoid using land that's expensive and has high opportunity costs. They do this by getting onto other types of land, or taking advantage of byproducts that aren't used in the food chain today, or by intercropping.

Thinking about impact on children meant adding to the agenda, both the R&D agenda and the delivery agenda, but it's amazing news, even in the scale of other tragedies.

There are more people dying of malaria than any specific cancer.

In low-income countries, the main problems you have is infectious diseases.