Thinking About Aliens Stretches the Imagination

The virtue of thinking about life elsewhere is that it forces us to stretch our imaginations. Can we think of alternative solutions to biological problems already solved in one particular way on Earth? For example, the wheel is a comparatively recent invention on the planet Earth. It seems to have been invented in the ancient Near East less than ten thousand years ago. In fact, the high civilizations of Meso- America, the Aztecs and the Mayas, never employed the wheel, except for children's t...

 Nonexistence is Preferable to the Afterlife

“What will happen? When we leave the world of the dead, will we live again? Or will we vanish as our daemons did? Brothers, sisters, we shouldn’t follow this child anywhere till we know what’s going to happen to us!” Others took up the question: “Yes, tell us where we’re going! Tell us what to expect! We won’t go unless we know what’ll happen to us!” Lyra turned to Will in despair, but he said, “Tell them the truth. Ask the alethiometer, and tell them what it says.” �...