Depending on how quickly you get ocean rise, you have people who live in river deltas [at risk].

You don't go to other books and take little pieces because although say a romantic scene may have been many times before all the details of who it is, where it is, are so intertwined in that text that it's easier to write it from scratch.

Good stuff tends to happen gradually, whereas violence or catastrophes are deemed more newsworthy.

People are using Windows PCs more than they watch TV now.

I think Ebola is a great example of where the world really needs to come together. The three countries where this outbreak took place have had a lot of civil war, very weak health systems. And so, it did take a while for people to understand ....that eventually what we saw was a very unique Ebola epidemic. I think it is quite impressive what's being pulled together, and I think we will be able to get this under control.

Research shows that there is only half as much variation in student achievement between schools as there is among classrooms in the same school. If you want your child to get the best education possible, it is actually more important to get him assigned to a great teacher than to a great school.

I think when smallpox was eliminated, the whole world got pretty excited about that because it’s just such a dramatic success.