"I think it's important for little girls growing up, and young women, to have one in every walk of life. So from that point of view, I'm proud to be a ...

Studying whether there's life on Mars or studying how the universe began, there's something magical about pushing back the frontiers of knowledge. That's something that is almost part of being human, and I'm certain that will continue.
Studying whether there's life on Mars or studying how the universe began, there's something magical ...
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