Over the past 50 years, astronomers have made dozens of major discoveries that help explain the nature and origins of the universe. They’ve measured the cosmic microwave background, or leftover ...

We've been taught to distrust our inner worlds. Scientific rigor demands external measurement, controlled experiments, objective instruments. Introspection seems subjective, unreliable—the antithesis ...

Here’s what you’ll learn when you read this story: You may feel like you’re constantly shaping your reality—but it could actually be the other way around. According to theory, when we interact with ...

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ARE there vastly many near-duplicates of you reading vastly many near-duplicates of this article in vastly many parallel universes? Is consciousness a fundamental property of all matter? Could reality ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...