People are vomiting unrealistically in movies, and something must be done about it.

In 'Packing for Mars,' I tried to convey the importance of getting young people interested in science.

All the clothes in my closet are Oakland, California, clothes. You can't wear those anywhere else. The barometric pressure drops and then where are you?

One young woman's tribute describes unwrapping her cadaver's hands and being brought up short by the realization that the nails were painted pink. "The pictures in the anatomy atlas did not show nail polish", she wrote. "Did you choose the color? Did you think that I would see it? I wanted to tell you about the inside of your hands. I want you to know you are always there when I see patients. When I palpate an abdomen, yours are the organs I imagine. When I listen to a heart, I recall holding your heart.

Gravity disappears again, and we rise up off the floor like spooks from a grave. It's like the Rapture in here every thirty seconds.

There are people who would love to spend their last ten years, or five years, or whatever it is, on the surface of Mars.

I walk up and down the rows. The heads look like rubber halloween masks. They also look like human heads, but my brain has no precedent for human heads on tables or in roasting pans or anywhere other than on top of a human bodies, and so I think it has chosen to interpret the sight in a more comforting manner. - Here we are at the rubber mask factory. Look at the nice men and woman working on the masks.