Globalization has made copper and other minerals more valuable, and Ghana and Kenya have recently discovered mineral resources.

I really do think cancer will largely be a solved problem. I think most of the infectious diseases like malaria - our foundation is very involved - once we're finishing polio eradication, then starting up this malaria eradication, and getting that done as fast as we can.

We are in the throes of a transition where every publication has to think of their digital strategy.

The worst pandemic in modern history was the Spanish flu of 1918, which killed tens of millions of people. Today, with how interconnected the world is, it would spread faster.

Whether it's Google or Apple or free software, we've got some fantastic competitors and it keeps us on our toes.

Software was changing so fast, so unbelievable, that that got very quick adoption.

The government's ability to select scientists and pick things that are fairly strange, because politicians don't like failures. They're only in office a short term, and many of these things take a long time.