So we can simulate Richter-10 earthquakes. We simulate 70-foot waves coming into these things. Very cool. We basically say no human should ever be required to do anything, because if you judge by Chernobyl and Fukushima, the human element is not on your side.

I believe that every life is valuable. That we can make things better. That innovation is the key to a bright future. That we're just getting started.

Ninety percent of the cases of polio are in security-vulnerable areas.

I never took a day off in my twenties. Not one.

I try to make time for reading each night. In addition to the usual newspapers and magazines, I make it a priority to read at least one newsweekly from cover to cover. If I were to read what intrigues me- say, the science and business sections - then I would finish the magazine the same person I was when I started. So I read it all.

Discrimination has a lot of layers that make it tough for minorities to get a leg up.

I understand how every healthy child, every new road, puts a country on a better path, but instability and war will arise from time to time, and I'm not an expert on how you get out of those things.