含中文字幕节目   

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In this animation, we'll see the remarkable way our DNA is tightly packed up to fit into the nucleus of every cell. The process starts with assembly of a nucleosome, which is formed wh...

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The girl looked lovely in her long white dress. Her light brown hair looked wonderful. The African sun was shinning. Everyone looked happy. It was a perfect day to get married. A friend captured the d...

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United States. Preschool funding. Toddle to the top. Cash-strapped states cut funding for nurseries. LILY, who is three-and-a-half, loves her nursery school in Queens. Her mother calls her “the s...

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Mittermeier: It now gives me great pleasure to introduce tonight's featured speaker, Dr. Jared Diamond. Jared is a truly remarkable individual, and he is himself an increasingly endangered species in ...

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This 9-millimetre-wide fragment of tiny molar was the first evidence of an ancient, equally tiny, human. It was found in a recent archaeological dig on an island in Indonesia, and sheds new light ...

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Cloud computing's growing pains. Break-ins and breakdowns. The lessons from Sony's big security lapse and Amazon's cloud-computing outage. IT COULD turn out to be the biggest breach of data priva...

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When Charlie Hestle died,he left a wife and nine children.They lived on a small piece of land in a house with four rooms.John was the oldest boy.He was 16 years old and tall for his age.After his fath...

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Mark Twain. Before I play my conversation—with Dr. Pratt that is—it'll be helpful to hear this Mark Twain essay; I hope amusing as well. It was written in 1903. It's kind of a paleontological and anti...