60秒科学:Can Hybrid Cars Be Too Quiet?

Hybrid cars are good for the environment. But scientists say that they might be bad for pedestrians. Because hybrids are so quiet, it can be hard for walkers to hear them until its too late. Listen to this. [quiet car sound] Thats a Toyota Prius mov

SSS 2009-03-12

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Farmers fertilize their fields to get the maximum meal from their crops. But the effects of these loads of nitrogen and phosphorous extend beyond the field and past

SSS 2012-05-17

Turns out youre not just what you eat. Youre when you eat. Because a new study in mice suggests that, in the battle of the bulge, the timing of meals influences the piling on of pounds. In the experiment, researchers gave groups of mice either standa

吃货们的好消息 5种零食吃不胖

As the new year rolls in, taking stock of the one just past can prompt the age-old resolutions, 'eat healthier' and 'make better choices'. 新年伊始，人们在对过去的一年做出总结的同时也会写下自己的新年愿望，如吃得更健

VOA慢速英语2010年-EXPLORATIONS - Are EVs, Plug-in Hybrid

SHIRLEY GRIFFITH: Im Shirley Griffith. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. Starting this Friday, the auto industry will show off more than nine hundred of its latest vehicles at the LA Auto Show in Los Angeles, C

VOA标准英语2011--Micronutrient Powders Effective in Reduc

Micronutrient Powders Effective in Reducing Anemia in Children Nutrients taken in powder form are effective in preventing malnutrition in children, according to new findings. Children throughout the developing world suffer from anemia - a shortage of

VOA慢速英语20060410a

DEVELOPMENT REPORT - African Farmland Found to be Severely InfertileBy Jill Moss Broadcast: Monday, April 10, 2006 This is Shep O'Neal with the VOA Special English Development Report. A new report say

AGRICULTURE REPORT - Hybrids

AGRICULTURE REPORT - Hybrids By Broadcast: Tuesday, June 08, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Since ancient times, farmers have chosen the seeds for the coming

经典英文 晒太阳的作用

1,supplementary nutrients Vitamin D was mainly rely on two channels， one is to obtain from food， and the other one is on the adoption of solar ultraviolet radiation in human skin synthesis of vitamin D3， it can even in the small intestine to pr

越吃越聪明的6种食物

6 Things to Eat Today for a Smarter Brain TomorrowFood for thoughtas well as memory, spatial perception, verbal skills, and more. First, the not-so-good news in neuroscience: According to a recent study, cognitive decline may set in as early as age 4

台湾农民运用高科技帮助种植

Meet Chang Chen-kai, one of a new generation of high-tech farmers in Taiwan. Rather than toiling in the fields, Chang works in an air-conditioned room at a plant factory operated by Taiwanese biotechnology company, ARWIN. It's one of a growing number

有机食品未必更有营养

Organic food has no nutritional or health benefits over ordinary food, according to a major study published Wednesday. Organic food has no nutritional or health benefits over ordinary food, according to a major study published Wednesday. Researchers

TED演讲:昭示长寿的实验(4)

And there are certain forms of the FOXO gene 我们发现活到90或者100岁人里 that have found to be more frequently present 最常有的 in people who live to be 90 or 100. 某种FOXO基因 And that's the case all over the world, 这是遍布全球

维他命饮料 究竟是好是坏

Companies are increasingly adding vitamins and minerals to juices, sports drinks and bottled water, responding to a growing consumer demand for these products. Even though the amounts of added nutrients in these drinks are typically small, some nutri

保持头发健康的最佳食物

It takes more than shampoo and conditioner to maintain the charm of shiny and manageable hair. See what you should eat to keep those tresses healthy, alluring and strong. 为了维持有光泽且易打理的头发，仅仅用洗发水和护发素是不

多吃芹菜 健康好处多多

1. It is very hydrating. 盈润保湿。 Celery is high in water content (95% water) and electrolytes, which are vital for proper hydration and cellular functions. For a super re-hydrating drink (e.g. after a long flight or after having food poisonin

你以为所有的蔬果都能减肥吗

Eating more fruits and vegetables can help control weight, but a new study suggests that it depends on which fruits and vegetables you eat. 多吃水果和蔬菜有助于控制体重，但一项新研究表明，这取决于你选择了哪些水果和蔬

健康饮食Healthy Diet

What is healthy diet? To the most people,healthy diet means more green foods, no junk foods. The green food is thosepollution-free, high quality and nutrient food, including the organicvegetables and meats, fruits, eggs and so on. The meals of health

这些健康新知识 你了解多少

1 Compared with conventional beef, grass-fed beef is higher in this health-promoting nutrient, which gives its fat a yellow color: 1、与传统牛肉相比，草饲牛肉中某种有益健康的营养素含量更高，并让脂肪呈现黄色，这种

各种“茶”相关英语词汇

清明前的春茶一直为爱茶人所追捧，今年的西湖龙井明前头茶更是在日前的预售义卖会上拍出了每斤18万元的天价，而当日的黄金市价仅为每斤16.8万元。 请看报道： The picking time for spring teas