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188宝金博页面版: [TED]Your kids might live on Mars. Here's how they'll survive

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内容提示: [TED Talk] Your kids might live on Mars. Here's how they'll survive Stephen Petranek, 2015 Strap yourselves in, we're going to Mars. Not just a few astronauts -- thousands of people are going to colonize Mars. And I am telling you that they're going to do this soon. Some of you will end up working on projects on Mars, and I guarantee that some of your children will end up living there. That probably sounds preposterous, so I'm going to share with you how and when that will happen. But first I want to disc...

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[TED Talk] Your kids might live on Mars. Here's how they'll survive Stephen Petranek, 2015 Strap yourselves in, we're going to Mars. Not just a few astronauts -- thousands of people are going to colonize Mars. And I am telling you that they're going to do this soon. Some of you will end up working on projects on Mars, and I guarantee that some of your children will end up living there. That probably sounds preposterous, so I'm going to share with you how and when that will happen. But first I want to discuss the obvious question: Why the heck should we do this? 12 years ago, I gave a TED talk on 10 ways the world could end suddenly. We are incredibly vulnerable to the whims of our own galaxy. A single, large asteroid could take us out forever. To survive we have to reach beyond the home planet. Think what a tragedy it would be if all that humans have accomplished were suddenly obliterated. And there's another reason we should go: exploration is in our DNA. Two million years ago humans evolved in Africa and then slowly but surely spread out across the entire planet by reaching into the wilderness that was beyond their horizons. This stuff is inside us. And they prospered doing that. Some of the greatest advances

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