Packing for Mars: The Curious Science of Life in the Void

by Mary Roach

Space doesn’t just encompass the sublime and the ridiculous. It erases the line between.

“Only in space do you understand what incredible happiness it is just to walk. To walk on Earth.”

The human organism is built for tension and relaxation, work and sleep. The principle of life is rhythm.

There is no such thing as a real weight, only real mass. Weight is determined by gravity.

“You can’t get any real fun things unless you volunteer,”