The United States has an active pharmaceutical industry that has brought huge benefits to the U.S. public. Most Americans, who benefit from these advances, have little understanding of how difficult it is to create an important new medical therapy and make it available to improve public health.

This idea that clumsy, stumbling people are real bright is ridiculous, because intelligence is related to neurologic function, and really intelligent people are very well-coordinated.

The artificial heart is very effective as a bridge to transplant, but the number of people that can be saved with human hearts is limited. A perfect artificial heart could save many more patients.

Leaders are visionaries with a poorly developed sense of fear and no concept of the odds against them.

I think what I love most about the raw food thing is it's real alchemy. It's a really interesting science, and I think for a creative person, it's a great way to eat.

Becoming a scientist is a long journey, and at every step, I found projects that were exciting, motivating me to continue. My path was not straightforward - when I began studying physics in college, I had no idea I would end up studying asteroids; in fact, I never took an astronomy class.

It might sound cowardly, but I do agree that if you speak out about the casting couch, it will end your career.

I had five years in the business in Canada, and then I came down to the States in February of 2010. I had a good pilot season. I started getting guest star work. I started to get bigger stuff.