Science is fun. Science is curiosity. We all have natural curiosity. Science is a process of investigating. It's posing questions and coming up with a method. It's delving in.

NASA has to approve whatever we wear, so there are clothes to choose from, like space shorts - we wear those a lot - and NASA T-shirts.

Rocket science is tough, and rockets have a way of failing.

My background is in physics, so I was the mission specialist, who is sort of like the flight engineer on an airplane.

We need to make science cool again.

No, I think most astronauts recognize that the space shuttle program is very high-risk, and are prepared for accidents.

For quite some time, women at NASA only had scientific backgrounds.