含中文字幕节目   

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Rennie: It is a pleasure be here today with so many persons so illustrious and in some cases dead; but most especially, really, with all of you who are here in the crowd and who have taken the time to...

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VEGF stands for vascular endothelial growth factor. It's a fancy name for a kind of growth hormone that is a growth factor for blood vessel cells. Blood vessel cells have receptors for th...

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Many prisons have programs to help prisoners develop job skills.But a program at the James River Work Center,a prison in the state of Virginia,is a little unusual.It teaches inmates to care for retire...

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"DARKNESS" was a word Lyn Lusi was used to. Western journalists instinctively reached for it when they came to her hospital in Goma in the Democratic Republic of Congo, in Joseph Conrad's "heart of da...

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(Richard Milner as Charles Darwin) How nice of you all to come on my birthday. Darwin is the name. Well I was born a naturalist. My father Dr. Robert Waring Darwin, a prosperous physician, did not co...

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I’m Art McDonald and I was a co-winner of the Nobel Prize in 2015, in Physics, for observing that neutrinos change their flavour between being created in the sun and arriving at our detect...

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People all around the world try very hard to reach perfection. People change their bodies hoping to look perfect. Companies try to make perfect products. We want everything to work without any problem...

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When Captain Flint Was Still A Good Man. By Nick Dybek. VAST, turbulent and mysterious, the sea is a gift to storytellers. It is a perilous passageway to new lands and a bountiful source of food, b...