单词：primary vascular tissue
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When humans have a heart attack, heart muscles die after being cut off from their blood supply. But what if the heart could grow new muscle to replace the dead tissue? Some amphibians can regrow body parts, even entire limbs. But humans and other hig
VOA标准英语2011年(三月)
In a new study about the best way to beat belly fat, Dr. Jenny Ashton here to talk about it. And Jenny, it turns out that is not just exercise but the kind of exercise that makes the difference. Exactly, and this is a very large study at Harvard that
访谈录2015年
Why should we all skate no matter what our age? Because you get a lot for a little: It's a bargain! One of the greatest active sports that everyone of all ages can participate is skating. If you can wa
奥运英语
Vitamin B9 is also known as folic acid or folate. Technically, folate is the term for the vitamin B9 that is found naturally in foods, while folic acid is the name for the synthetic supplement that is added to foods and vitamins. 维生素B9也称为叶
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BBC Learning English Weekender Keeping fit Callum:Hello, I'm Callum Robertson and this is Weekender. Today, Friday April 7th is World Health Day. A day promoted by the World Health Organisation to raise awareness of health issues around the world. T
Weekender
From VOA Learning English, this is the Health Lifestyle report. Garlic is one of the most common cooking ingredients around the world. Many dishes in Europe, Africa, Asia and the Americas use this strong-flavored vegetable. Garlic is similar to other
2016年VOA慢速英语(十二)月
Scientists Regrow Tissue Killed During Heart Attack U.S. scientists have done what was once considered science fiction - regrown heart muscle to replace tissue that was killed off in a heart attack. It's the latest advance in the field of regenerativ
VOA标准英语2012年(二月)
Researchers have identified a link between dementia and the brain damage that can occur in older people with high blood pressure and other forms of cardiovascular disease. High blood pressure, high cholesterol, and other conditions that affect blood
VOA标准英语2010年(十一)月
Jeremy Lin is a Harvard graduate playing in the National Basketball Association. He is an Asian-American in a league devoid of them, which makes him doubly anomalous. No team drafted Lin in 2010. Two teams cut him in December, before the Knicks picke
英语万花筒
Science and Technolgy. 科技。 Artificial meat. 人造肉。 Hamburger junction. 人造汉堡的诞生。 Muscle grown in factories could soon be appearing in a supermarket near you. 工厂培养的肉可能很快出现在你周围的超市了。 A
经济学人科技系列
GWEN IFILL:Finally tonight: how technology has changed the foods we eat. Hari Sreenivasan has our book conversation. HARI SREENIVASAN:Human eating habits have changed more in the past century than in the previous 10,000 years. In the U.S., Americans
PBS访谈健康系列
Beating Heart Tissue from Stem Cells In a study in the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beats. Cynthia Graber reports One of the goals o
60秒科学
Kerry Expected to Win Wisconsin Primary Greg Flakus Voters are going to the polls in the Midwestern state of Wisconsin in a primary contest that could represent the end of at least one candidacy for t
VOA2004（上）--各类新闻
Exposure to air pollution may hasten brain aging, a new study has found. 一项新研究发现，暴露在空气污染中可能会加速大脑衰老。 Researchers studied 1,403 women without dementia who were initially enrolled in a large health stu
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CANBERRA, Feb. 18 (Xinhua) -- Australian Labor Party's primary vote stands at just 30 percent, down 5 points since December, the latest Herald/Nielsen poll published in Fairfax newspapers showed on Monday. This is the first time that Tony Abbott is t
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Circulatory Function of the Liver While the liver is technically part of the gastrointestinal system, it also plays an important role in blood circulation. The liver has been called the antechamber of the heart because it collects and processes all o
英文语法词汇
Love gives you a healthy heart Lovers have more reason than ever to celebrate this Valentine's Day, as a new scientific theory has suggested a healthy and loving relationship is good for the heart. Research suggests that being involved in any type of
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SCOTT SIMON, HOST: Some people in life can see whole worlds in small things. Hugh Rienhoff can see it in a molecule called transforming growth factor-beta 3. In 2003, his daughter, Beatrice, was born with a few noticeable abnormalities. Her eyes were
英语语言学习
VIENNA, Nov. 13 (Xinhua) -- Women with diabetes are twice at the risk of suffering a stroke as those without the disease, an Austrian expert said here Thursday ahead of World Diabetes Day on Friday. Recent studies have shown that women with diabetes
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生活大爆炸第四季第十集_1 剧情简介： The Big Bang Theory是一部以科学天才为背景的情景喜剧.四位科学天才分别是:可爱善解人意的Leonard,高智商零情商的Sheldon,会六国语言的 Howard Wolowitz,以及患有
生活大爆炸第四季