Land degradation, rising sea levels, famine, and conflict will continue to drive people from their homes and towards cities, with megacities like Mexico City and Lagos becoming increasingly common in some of the poorest parts of the world.

When it comes to providing aid, developing innovations, and making bold steps that change the course of history, the United States is usually on the front lines.

Finding innovative ways to deliver vaccines to children in developing countries is at the heart of our work. The very fact that we don't have people on the ground but rather work in an alliance with other organizations is itself an innovation that was the basis of GAVI's establishment in 2000.

No country in the post-colonial era has thrived without first building its capacity to conduct scientific research.

We shall not be happy unless we live like good animals, unless we enjoy the exercise of the ordinary functions of life: eating, sleeping, loving, walking, running, swimming, riding, sailing.

Our progress against malaria is impressive. But vigilance remains a critical ingredient to protect the health of all people.

I used to be that crazy person that was strict about what I did and didn't eat. I was so diligent with exercise. And as soon as I stopped thinking about it, I lost weight. I wasn't stressing about it. The balance and relaxing is what's really helped me.

I am healthy. I have been blessed with a very good body, and I have worked hard at it. I had surgery on my toe, and I'm still recovering from that. That's the only joint that was hurting. Earlier, I had a knee replacement, hip replacement, shoulder surgeries, but I have been lucky. I don't feel any pain when I play.