Earth,” he began, ignoring the impulse to open his notes folder and count the words. He knew this lecture by heart. “Our home. She feeds us, she shelters us. Her gravity prevents us from flying off into space and freezing, before thawing out again and being crisped by the sun, none of which really matters, as we would have long since asphyxiated.” Artemis paused for laughter and was surprised when it did not arrive. “That was a little joke. I read in a presentation manual that a joke often serves to break the ice. And I actually worked icebreaking into the joke, so there were layers to my humor.
