美国科学60秒 SSS 2013-05-28

We've discovered that Vitamin C kills MT cells. TB research William Jacob, with the Albert Einstein College of Medicine in the Bronx. And in fact it works not only on the multidrug-resistent strains but totally drug-resistent strains as well. Jacobs

世界节假日博览 第70期:珍惜树木日

April 14 is Plant Appreciation Day (PAD). This is when you appreciate just how important plants are to us. Few of us ever stop to think just how vital plants are to our survival. Without them, we wouldnt be here. Plants change the CO2 in the air into

9-15 为什么水果和蔬菜是健康的首选？

Why Fruit and Vegetables Are the Tops for Good Health? They used to say an apple a day keeps the doctor away. And according to the Department of Health, years of research shows that eating fruit and v

英语音频杂志：冰淇淋和银行业

Ice-cream and banking By John Kuti Russian ice-cream is great. Any shop or street seller can offer a choice of different ones for less than ten roubles, thats about 20p in British money, which I think is a fair price. They have natural fruit flavours

60秒科学:Vitamins Block Some Exercise Benefits

Exercise is good for you. Antioxidants are good for you. But put them together and its not as good as youd think. Because a recent study shows that some vitamins block the beneficial effects of exercise. A good workout not only gets your heart pumpi

维生素C真的能治疗你的感冒吗?

The jury is still out on whether vitamin C can treat or prevent a cold, but a recent review of the scientific literature suggests that it does have some benefits. 虽然维生素C能否治疗或预防感冒依然没有定论，但是最近的一项科学

SSS 2009-10-12

Youve no doubt heard of free radicals, those nasty chemicals that seem to contribute to heart disease, cancer and all sorts of human ailments. Maybe you even take antioxidant vitamins to help get rid of these unwanted toxins. Well, maybe you shouldnt

SSS 2009-03-13

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. If you get a scratch, your skin can heal itself. But if your car gets scratched, it stays scratched. Scientists at the University of Southern Mississip

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VOA标准英语2013--Islamist Radicals React Online to Boston Attacks

Islamist Radicals React Online to Boston Attacks The bombings at the Boston Marathon not only caught U.S. intelligence services by surprise; on Jihadist websites, debate has raged over the motivations and implications, according to Shiraz Maher of th

60秒科学:Antioxidants-Diabetes Connection

Antioxidants-Diabetes Connection In a study in the journal Cell Metabolism, some mice given antioxidants were more likely to become diabetic, because free radicals help muscle cells respond to insulin. Karen Hopkin reports. Youve no doubt heard of fr

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每天两餐西红柿 永葆肌肤年轻

At this rate, scientists will have to come up with a better description for the tomato than mere 'superfood'. While it has long been credited with cutting cholesterol and preventing some cancers, the fruit now appears to have two more healthgiving be

打哈欠真的会传染吗？

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新词：什么是“免费素食主义”？

免费素食主义指的是回收利用被当做废物丢弃的食品和物品的行为。免费素食主义者们尽自己的努力，以一种生活方式的形式进行环境抗议活动。他们的目的是限制对环境的影响，将对传统经

英语新词：什么是“免费素食主义”？

免费素食主义指的是回收利用被当做废物丢弃的食品和物品的行为。免费素食主义者们尽自己的努力，以一种生活方式的形式进行环境抗议活动。他们的目的是限制对环境的影响，将对传统经

对眼睛有益的10种食物

You need to take proper care of your eyes to maintain good eyesight. There are few fundamental rules that have to be done for good eye care. As you know very well that exposure to sun is very bad for the eyes. Similarly, if you use computer for long

英语博客：Strength and flexibility.

I was just listening to a Swiss podcast about health. The presenters were talking about free radicals and how to fight them. They first of all listed all the situations in life that cause free radicals to be produced in our bodies: emotional and phys

Meat-free diet good for a healthy planet

Vegetarian restaurant owner Li Yu believes in the health benefits of plant-based eating. Former physicist Li Yu runs the city's first vegetarian restaurant. In 2008, Li Yu embarked on what some may perceive as a rather daunting mission: To convince a

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