A squirrel dying in front of your house may be more relevant to your interests right now than people dying in Africa.

As we look ahead into the next century, leaders will be those who empower others.

The U.S. immigration laws are bad - really, really bad. I'd say treatment of immigrants is one of the greatest injustices done in our government's name.

I'm not as famous as Stephen Hawking, but certainly in the U.S., I have a very high profile for a scientist. It is an awesome responsibility, one that I don't shoulder lightly.

For the future, primarily, we must educate people in science, engineering, technology and math.