전체 글(692)
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James Green: 3 moons and a planet that could have alien life[미국유학 공부]
0:11Is there life beyond Earth in our solar system?0:16Wow, what a powerful question. You know, as a scientist -- planetary scientist -- we really didn't take that very seriously until recently.0:27Carl Sagan always said, "It takes extraordinary evidence for extraordinary claims." And the claims of having life beyond Earth need to be definitive, they need to be loud and they need to be everywher..
2016.10.20 -
Dave Brain: What a planet needs to sustain life[미국유학,영어공부]
0:11I'm really glad to be here. I'm glad you're here, because that would be a little weird. I'm glad we're all here. And by "here," I don't mean here. Or here. But here. I mean Earth. And by "we," I don't mean those of us in this auditorium, but life, all life on Earth --0:37(Laughter)0:43from complex to single-celled, from mold to mushrooms to flying bears.0:49(Laughter)0:52The interesting thin..
2016.10.20 -
Molly Winter: The taboo secret to better health
Molly Winter: The taboo secret to better health 0:11Whenever I get to travel for work, I try to find out where my drinking water comes from, and where my poop and pee go.0:18(Laughter)0:19This has earned me the nickname "The Poo Princess" in my family, and it's ruined many family vacations, because this is not normal. But thinking about where it all goes is the first step in activating what are ..
2016.10.03 -
Anthony Goldbloom: The jobs we'll lose to machines — and the ones we won't
Anthony Goldbloom: The jobs we'll lose to machines — and the ones we won't 0:11So this is my niece. Her name is Yahli. She is nine months old. Her mum is a doctor, and her dad is a lawyer. By the time Yahli goes to college, the jobs her parents do are going to look dramatically different.0:26In 2013, researchers at Oxford University did a study on the future of work. They concluded that almost o..
2016.10.03 -
Suzanne Simard: How trees talk to each other
0:11Imagine you're walking through a forest. I'm guessing you're thinking of a collection of trees, what we foresters call a stand, with their rugged stems and their beautiful crowns. Yes, trees are the foundation of forests, but a forest is much more than what you see, and today I want to change the way you think about forests. You see, underground there is this other world, a world of infinite..
2016.10.03 -
Ed Boyden: A new way to study the brain's invisible secrets
Ed Boyden: A new way to study the brain's invisible secrets 0:11Hello, everybody. I brought with me today a baby diaper. You'll see why in a second. Baby diapers have interesting properties. They can swell enormously when you add water to them, an experiment done by millions of kids every day.0:27(Laughter)0:28But the reason why is that they're designed in a very clever way. They're made out of ..
2016.10.03