SSS 2011-04-20

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

SSS 2010-03-26

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

SSS 2010-01-19

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

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Business 商业 Iberdrola: The energy-storage question Iberdrola：能源短缺问题 A trail-blazing utility that against full distributed energy. 一个风能先驱对电池持有怀疑的态度。 One of Ignacio Galan's early jobs as an engineer w

60秒科学:冬暖夏凉的屋顶

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

TED演讲:为什么头盔不能预防脑震荡?(9)

But in order for us to actually realize the benefits of technology that can prevent concussion, it needs to meet regulations. 但为了真正利用这一可以预防脑震荡的技术，它必须得符合监管的要求。 That's a reality. And this

SSS 2008-09-01

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

SSS 2011-02-07

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

SSS 2011-04-06

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

收养机构为肯尼亚孩子寻找领养家庭

AS IT IS 2015-08-17 Group Seeks Adoptive Families for Kenyan Children 收养机构为肯尼亚孩子寻找领养家庭 A 2007 study estimated there were at least 250,000 children living and working in the streets of Kenya. More than 60,000 of them ar

AS IT IS 2016-07-06 Two Years After Legalizing Marijuana Sales, What Has Happened?

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VOA慢速英语--研究人员研发完全可降解轮胎

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

VOA标准英语2012--US Presidential Race Is Hugely Expensive, Highly Regulated

US Presidential Race Is Hugely Expensive, Highly Regulated The most expensive residential address in the United States is not in Hollywood - or Manhattan. It's 1600 Pennsylvania Avenue in Washington - the White House. Its current occupant, Barack Oba

VOA标准英语2016--“智能”绷带有助更快治愈伤口

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

英语听力：自然百科 圣河之旅 The Nile尼罗河—31

The one thing that won't change in the future is Egypt's complete and art dependence on the Nile. So far Egypt has been able to discover all threaten other Nile state to prevent them tapping into the supply of Nile water. Most Egyptians believe it's

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Food Chain Regulation Biologists who study natures food chain agree about the basic links in the chain: sunlight provides fuel for plants, plants are consumed by herbivores, and herbivores are eaten by carnivores. But researchers arent sure about all

澳洲新闻 (ABC新闻快递) 2014-10-01

A new research has found some household power bills have been increased by up to 1,000 dollars in the past five years. Another report was by St. Vincent de Paul and Elvis Consulting, and it says the cost of poles and wires make up more than half of s

《名人传记》之我是李小龙31:终极格斗迷

Jon Jones, look, guys like this it's important for them to have this kind of confidence I don't look at it as if I'm hurting my opponent, my enemy. 乔恩琼斯，对于他们这样的人拥有此种自信十分重要，我并不认为我在伤害我的

英语角-圆桌会议 RoundTable0812 - 报亭为何一夜消失

Topic1 News Stands Torn Down in BeijingBeijing is the cultural center of China. This is something we have been told since we were kids. However, in this cultural center, some citizens may even have trouble buying newspaper. Recently, 72 newsstands in

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Topics: Medical/dental tourism; warehouse club stores; yell versus shout; to be depended on; to last; kind versus kindly Words: health insurance to give rise to to be treated regulated inferior warehouse to pass the savings on to afford to carry in b