The outpouring of support from millions of people in the immediate aftermath of the earthquake in Haiti has been impressive.

I mean, if we said right now, there's somebody in the next room who's dying, let's all go save their life, you know, everybody would just get up immediately and go get involved in that.

Setting clear goals and finding measures that will mark progress toward them can improve the human condition.

Innovations that are guided by smallholder farmers, adapted to local circumstances, and sustainable for the economy and environment will be necessary to ensure food security in the future.

It is hard to overstate how valuable it is to have all the incredible tools that are used for human disease to study plants.

Security is, I would say, our top priority because for all the exciting things you will be able to do with computers - organizing your lives, staying in touch with people, being creative - if we don't solve these security problems, then people will hold back.

The best teacher is very interactive.