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Being at the top of your game intellectually, philosophically, politically, is not a forever thing.
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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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Science literacy is the artery through which the solutions of tomorrow's problems flow.
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I think that intelligence is such a narrow branch of the tree of life - this branch of primates we call humans. No other animal, by our definition, can be considered intelligent. So intelligence can't be all that important for survival, because there are so many animals that don't have what we call intelligence, and they're surviving just fine.
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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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Most of what Einstein said and did has no direct impact on what anybody reads in the Bible. Special relativity, his work in quantum mechanics, nobody even knows or cares. Where Einstein really affects the Bible is the fact that general relativity is the organizing principle for the Big Bang.
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The humblest person in this world is the astrophysicist. Because we are face to face with our ignorance every single day.
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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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Everyone should have their mind blown once a day.
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Somehow it's O.K. for people to chuckle about not being good at math. Yet if I said, 'I never learned to read,' they'd say I was an illiterate dolt.
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It may be that our cosmic curiosity... is a genetically-encoded force that we illuminate when we look up and wonder.
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The only way you can invent tomorrow is if you break out of the enclosure that the school system has provided for you by the exams written by people who are trained in another generation.
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It's always interesting just to see how the human mind is relating to the natural universe, and what we try to make of it just so we can believe we understand what's going on.
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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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The chances that your tombstone will read 'Killed by Asteroid' are about the same as they'd be for 'Killed in Airplane Crash.'
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The Universe is under no obligation to make sense to you.
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Innovations in science and technology are the engines of the 21st-century economy; if you care about the wealth and health of your nation tomorrow, then you'd better rethink how you allocate taxes to fund science. The federal budget needs to recognize this.
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Do you realize that if you fall into a black hole, you will see the entire future of the Universe unfold in front of you in a matter of moments and you will emerge into another space-time created by the singularity of the black hole you just fell into?
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I want to know what dark matter and dark energy are comprised of. They remain a mystery, a complete mystery. No one is any closer to solving the problem than when these two things were discovered.
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I try to show the public that chemistry, biology, physics, astrophysics is life. It is not some separate subject that you have to be pulled into a corner to be taught about.
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When a president promises something beyond his years in office, he is fundamentally unaccountable. It is not his budget that must finish the job. Another president inherits the problem, and it becomes a ball too easily dropped, a plan too easily abandoned, a dream too readily deferred.
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I'm baffled all the time. We don't know what's driving 96% of the universe. Everybody you know and love and heard of and think about and see in the night sky through a telescope: four percent of the universe.
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The most creative people are motivated by the grandest of problems that are presented before them.