教育学习   

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What do you do when a child misbehaves? What if he does not listen? What if she breaks your house rules? All parents must face these questions at some time. All parents teach their children right a...

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Photosynthesis is a set of chemical reactions in which light energy is converted to chemical energy. Light energy enables the movement of electrons from molecules that donate electrons ...

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Today, that "something" has more than one million students.Will many of these students do all of their college work by computer? If so, they would enter the professional world with course completion d...

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The movement toward education by computer is developing fast.Massive Open Online Courses, called MOOCs, are changing how people learn in many places.For years,people could receive study materials from...

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[SCRIBBLING] SPEAKER: Almost all life on Earth is solar powered.$#10320#$10320#$ Plants, algae, and some bacteria capture light energy from the sun and convert it to chemical energy in ...

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GREG CARR: I flew over Gorongosa. I'm looking down, and it's magnificent. There's a great lake in the center of the ecosystem. There's rivers. There's a mountain with a rainforest. ...

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ALVARADO: Imagine that somebody came and told you that there were animals whose heads could be decapitated, and that, in the span of a short period of time, these heads would begin to grow again from ...

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[Jennifer Doudna:] Science is a serendipitous endeavor. We're exploring nature and trying our best to get at the truth. And every now and then, we're surprised. [Ethan Bier:] When I first hear...