The death of a child is an incredible tragedy all over the world. Back in 1990, about 12 percent of children were dying before they reached the age of 5.

By helping us to be more productive, technology lets us to spend less time focusing on survival, and more on solving other challenges.

In the decade ahead I can predict that we will provide over twice the productivity improvement that we provided in the '90s.

A lot of the things that will really improve the world fortunately aren't dependent on Washington doing something different.

The bulk of the universities are about teaching kids.

What are the top 20 universities in the world that do good materials research that might create carbon fibers to do jet stream kites or new magnets that will allow [energy] generation to be done up there and you just bring the electricity down. You either have to bring down rotational energy, which is hard, or you have to have the generator up there and bring down the electricity. Well, putting the generator up there is hard to do because it's too heavy.

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