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It's hard to imagine a more extraordinary claim than that some hidden intelligence created a universe of more than a hundred billion galaxies, each co...more

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Every atom in your body came from a star that exploded. And, the atoms in your left hand probably came from a different star than your right hand. It ...more

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More often than you might think, teaching science is inseparable from teaching doubt.

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I've told you two things : First, you're much more insignificant than you ever imagined and second, the future is miserable. But you should be happy, ...more

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The illusion of purpose and design is perhaps the most pervasive illusion about nature that science has to confront on a daily basis.

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If the universe doesn't care about us and if we're an accident in a remote corner of the universe, in some sense it makes us more precious. The meanin...more

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A universe without purpose should neither depress us nor suggest that our lives are purposeless. Through an awe-inspiring cosmic history we find ourse...more

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By no definition of any modern scientist is intelligent design science, and it's a waste of our students' time to subject them to it.

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Metaphysical speculation is independent of the physical validity of the Big Bang itself and is irrelevant to our understanding of it.

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We need to live our experience as it is and with our eyes open. The universe is the way it is, whether we like it or not.

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[I]n science we have to be particularly cautious about 'why' questions. When we ask, 'Why?' we usually mean 'How?' If we can answer the latter, that g...more

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The amazing thing is that every atom in your body came from a star that exploded. And, the atoms in your left hand probably came from a different star...more

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Now, almost one hundred years later, it is difficult to fully appreciate how much our picture of the universe has changed in the span of a single huma...more

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Of course, supernatural acts are what miracles are all about. They are, after all, precisely those things that circumvent the laws of nature. A god wh...more

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If we wish to draw philosophical conclusions about our own existence, our significance, and the significance of the universe itself, our conclusions s...more