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I'm perennially intrigued how people who lead largely evidence-based lives can, in a belief-based part of their mind, be certain that an invisible, divine entity created an entire universe just for us, or that the government is stockpiling space aliens in a secret desert location.
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I'm often asked - and occasionally in an accusatory way - 'Are you atheist?' And it's like, 'You know, the only 'ist' I am is a scientist, all right?' I don't associate with movements. I'm not an 'ism.' I just - I think for myself.
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One of the greatest features of science is that it doesn't matter where you were born, and it doesn't matter what the belief systems of your parents might have been: If you perform the same experiment that someone else did, at a different time and place, you'll get the same result.
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All I can say is, the universe is in a good shape, it's earth that has all the problems.
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Kids should be allowed to break stuff more often. That's a consequence of exploration. Exploration is what you do when you don't know what you're doing.
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The cross pollination of disciplines is fundamental to truly revolutionary advances in our culture.
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The theory of evolution, like the theory of gravity, is a scientific fact.
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As history has shown, pure science research ultimately ends up applying to something. We just don't know it at the time.
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Scientists in different disciplines don't speak the same language. They publish in different journals. It's like the United Nations: You come together, but no one speaks the same language, so you need some translators.
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The first colony on Mars is not going to be built by a private company. How are you going to make money? You're not.
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I've known from long ago that the universe was calling me. If you were one of those annoying adults that said, 'Oh, what are you gonna be when you grow up?' I would say, 'Astrophysicist.' And then they'd walk away real quickly.
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I know that the molecules in my body are traceable to phenomena in the cosmos.
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The history of exploration across nations and across time is not one where nations said, 'Let's explore because it's fun.' It was, 'Let's explore so that we can claim lands for our country, so that we can open up new trade routes; let's explore so we can become more powerful.'
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You've never seen me debate anybody. On anything. Ever. My investment of time, as an educator, in my judgment, is best served teaching people how to think about the world around them. Teach them how to pose a question. How to judge whether one thing is true versus another. What the laws of physics say.
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The universe is large and old, and the ingredients for life as we know it are everywhere, so there's no reason to think that Earth would be unique in that regard. Whether of not the life became intelligent is a different question, and we'll see if we find that.
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What are we promoting in society? Well-behaved automatons that spew back what they learned in a book. That's not science. You can get a parrot to do that.
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When we see animals doing remarkable things, how do we know if we're simply seeing tricks or signs of real intelligence? Are talented animals just obeying commands, or do they have some kind of deeper understanding? One of the biggest challenges for animal researchers is to come up with tests that can distinguish between the two.
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There is no science in this world like physics. Nothing comes close to the precision with which physics enables you to understand the world around you. It's the laws of physics that allow us to say exactly what time the sun is going to rise. What time the eclipse is going to begin. What time the eclipse is going to end.
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Science literacy is the artery through which the solutions of tomorrow's problems flow.
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If the United States commits to the goal of reaching Mars, it will almost certainly do so in reaction to the progress of other nations - as was the case with NASA, the Apollo program, and the project that became the International Space Station.
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We are part of this universe; we are in this universe, but perhaps more important than both of those facts, is that the universe is in us.
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My view is that if your philosophy is not unsettled daily then you are blind to all the universe has to offer.
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Being at the top of your game intellectually, philosophically, politically, is not a forever thing.
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The Universe is under no obligation to make sense to you.