生活大爆炸第一季第十五集_3：The Pork Chop

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The boston serbble waterdown looked like a community under siege.the 19 year old suspect one hit in the boston marathon bombing is still on the loose,helicopters hover over head ,there is thousands of federal state and local long forcement conduct a

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Male nursery web spiders often woo potential lady-friends with gifts wrapped in silk. Mating may ensue, during which a female unspools the present, expecting to find a tasty treat. But the males can be unscrupulous. Some offerings contain inedible pl

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Broadcast: May 13, 2003 By Mario Ritter This is the VOA Special English Agriculture Report. Most people have heard the sound of bees among flowers. Bees live almost everywhere in the world--except the

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SSS 2010-10-04

This is Scientific Americans 60-Second Science, Im Steve Mirsky.Got a minute? The 2010 Nobel Prize in Physiology or Medicine goes to 85-year-old Robert Edwards of England, for the development of in vitro fertilization. The Karolinska Institutes Chris

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Wk 30 (25 July 1978) World's First Test Tube-Baby Is BornThis Week in HistoryLouise Brown, the world's first test tube baby, is born in Manchester, England. In 1978, the world's first test tube baby, Louise Brown, was born in Oldham and District Gene

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I have a daughter, Mulan. And when she was eight, last year, she was doing a report for school or she had some homework about frogs. And we were at this restaurant, and she said, So, basically, frogs lay eggs and the eggs turn into tadpoles, and tadp

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This is the VOA Special English Agriculture Report. Experts say that agriculture provides fourteen percent of the world's greenhouse gas emissions each year. The gases released include carbon dioxide, a major cause of global warming. Twenty-one natio

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BEIJING, Dec. 26 (Xinhua) -- The Law Committee of the National People's Congress (NPC) has suggested to delete a controversial provision on banning surrogate pregnancy in a draft law amendment. Lawmakers have quite different opinions over this provis

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Oocyte cryopreservation, or egg freezing, is a procedure where a woman's ovum are removed, frozen and placed in long-term storage. When the woman is ready to become pregnant, the eggs can be thawed, fertilized and transferred into her uterus. The tec

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Raising Oysters In the past oysters were raised in much the same way as dirt farmers raised tomatoes - by transplanting them. First, farmers selected the oyster bed, cleared the bottom of old shells and other debris, then scattered clean shells about

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The Organic Foods Are organically grown foods the best food choices? The advantages claimed for such foods over conventionally grown and marketed food products are now being debated. Advocates of organic foods -- a term whose meaning varies greatly -

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