What does science tell us about the world we live in? Does the scientific method invalidate all other knowledge? Does it place limits on what we can know?
How improbable is the universe we live in? How do we account for the existence of life? Is it all just purely random, or is there a deeper structure at work?
What is real? Are there aspects of reality we can’t access through the senses alone? Is mathematics such a reality? If it is, what else might there be?
Can we ever know ultimate reality? How do we decide what is true? Why do so many scientists find beauty a guide to truth?
Is moral truth something we discover or something we create? Is it a fundamental part of the universe, or an accident of evolution? Can science help us decide?
What defines humanity? Why do we seem to yearn for something beyond us? Are we meaning-seeking beings?
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