The nuclear approach I'm involved in is called a traveling-wave reactor, which uses waste uranium for fuel. There's a lot of things that have to go right for that dream to come true - many decades of building demo plants, proving the economics are right. But if it does, you could have cheaper energy with no CO2 emissions.

We're very enthused about the idea that in the third trimester we actually give the mother a vaccine and her antibodies, the protective things that the immune system makes, actually pass through to the baby, both when the baby is born, and through the mother's milk. Because the baby's immune system is actually not very strong for that first few months, using the mother's immune system to do this - it's a very exciting idea and something that we're investing heavily in.

If we think long term, the younger generation here is better about embracing the world. Not seeing countries boundaries kind of an "us versus them" thing.

When you program, you want to think you're writing the best possible program for the... for the task you're trying to solve.

Business isn't that complicated. I wouldn't want to put it on my business card.

Software was the key element that would determine how useable and how broadly applicable the machine was.

Governments will always play a huge part in solving big problems. They set public policy and are uniquely able to provide the resources to make sure solutions reach everyone who needs them. They also fund basic research, which is a crucial component of the innovation that improves life for everyone.