Different astronauts sleep in different ways.

On a standard space shuttle crew, two of the astronauts have a test pilot background - the commander and the pilot.

Three Secrets to Success: Be willing to learn new things. Be able to assimilate new information quickly. Be able to get along with and work with other people.

Our future lies with today's kids and tomorrow's space exploration.

So I decided on science when I was in college.

That's something that is almost part of being human and I'm certain that will continue.

I never went into physics or the astronaut corps to become a role model. But after my first flight, it became clear to me that I was one. And I began to understand the importance of that to people. Young girls need to see role models in whatever careers they may choose, just so they can picture themselves doing those jobs someday. You can't be what you can't see.