英文书摘精选 Why Do You Become Dehydrated When Sick?生病的时候为何会脱水?

When you have a cold or flu, the doctor (or Dr. Mom) may tell you to drink lots of fluids. But did they ever explain why you need to guzzle all that water and juice? The extra fluid helps prevent dehydration, which can make you feel even worse, and m

Rare but Deadly

Rare but Deadly By Susan Brink /2005, U.S. News World Report . All rights reserved with permission. Distributed by Tribune Media Services International. Simple, cheap blood tests could save thousands

科学美国人60秒 SSS Climate Change Might Shrink Fish

Climate Change Might Shrink Fish 气候变化会迫使鱼类变小 As the world's oceans heat up, salmon are migrating earlier. Plankton are shifting their range. But warmer water temperatures also mean warmer fishand faster-running metabolisms. 随着

英语听力文摘 English Digest 660 生病的时候为何会脱水

Why Do You Become Dehydrated When Sick? When you have a cold or flu, the doctor (or Dr. Mom) may tell you to drink lots of fluids. But did they ever explain why you need to guzzle all that water and juice? The extra fluid helps prevent dehydration, w

真菌对双酚基丙烷(BPA)有一定的干扰作用(有声)

Fungi with previous experience in bioremediation show promise for breaking down BPA, an endocrine disruptor, and plastics that contain them. Cynthia Graber reports 【英文文本】 Bisphenol A. Also called BPA, it's used to make shatter-proof plast

SSS 2010-05-14

This is Scientific American's 60-Second Science. I'm Cynthia Graber. Thisll just take a minute. Bisphenol A. Also called BPA, it's used to make shatter-proof plastic known as polycarbonate, found in everything from water bottles to medical devices to

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

草莓的作用

Dieting isnt always easy, particularly if you have a sweet tooth. But by adding strawberries to your diet, you can enjoy a range of guilt-free dishes, drinks and snacks any time of day. Best of all, strawberries are low in calories, high in fiber, fa

如何获得6块腹肌

Every man dreads and awaits the albatross of the elusive 6-pack abdomen. Call it the ills of Pornography or heightened ideals of women, but every man is being subjected to the prospect of having the perfect body and a ripping 6-pack is the right way

大豆对多囊卵巢综合征健康有什么好处

Many women with polycystic ovary syndrome (PCOS) are confused about whether or not soy is good for them. Some women even fear it. 患有多囊卵巢综合征(PCOS)的许多女性都困惑大豆对她们是否有好处。有些女性甚至对大豆有些

停止锻炼的后果

Ever wonder what would happen if you stopped working out? A new study on identical twins published in th journal Medicine Science in Sports Exercise explores exactly that, and the results are dramatic. 想知道停止锻炼后会发生什么吗？一项

U.S. FDA approves first cord blood product

WASHINGTON, Nov. 11 (Xinhua) -- The U.S. Food and Drug Administration (FDA) on Friday approved HEMACORD, the first licensed hematopoietic progenitor cells-cord cell therapy. HEMACORD is indicated for use in hematopoietic stem cell transplantation pro

Why Don't Snorers Wake Themselves Up?

Why Don't Snorers Wake Themselves Up? Anyone who's ever slept in the same room as a loud snorer knows how infuriating it is to have to suffer through all that noise while the offending party remains blissfully oblivious and asleep. Loud snorers can w

男女对温度的感受不同?

It happens every summer: offices turn on the air-conditioning, and women freeze into popsicles. But until now, there was no data to understand why women felt cold and were slipping on cardigans while men just rolled up their sleeves at the same tempe

限时饮食可以预防甚至逆转肥胖

Scientists, like mothers, have long suspected that midnight snacking is inadvisable. But until a few years ago, there was little in the way of science behind those suspicions. Now, a new study shows that mice prevented from eating at all hours avoide

一天一把坚果能减少腹部脂肪

A handful of nuts a day can keep hunger at bay and beat belly fat, according to scientists. This is the first time a link between eating nuts and higher levels of serotonin - a substance that decreases appetite, boosts happiness and improves heart he

喝啤酒能让人更加聪明吗?

Hop compound boosts brain function - but you'd need to drink 3,500 PINTS a day 啤酒能让你更聪明吗?啤酒花中所含的化学物质能刺激大脑功能-前提是每天喝3500品脱。 Beer, or at least one of its ingredients, could boost br

喝水不够对身体造成的不良后果

Besides the fact that you'd literally die without it, there are many, MANY imperative reasons to drink water frequently, every single day. It starts out pretty mild - you might feel thirsty and have a dry mouth. But the long-term effects of not drink

友谊不分物种 狮王与小狗成好兄弟

A disabled lion who was reared by a double amputee zookeeper has formed an unlikely bond with a miniature sausage dog with the pair inseparable ever since the cat was a cub. 一名双腿截肢的动物园管理员抚养了一只残疾的狮子，这只

万物简史 第423期:生命的起源(17)

Anniversaries were few and far between in the Archaean world. 在太古代的世界里，结婚周年纪念日是完全没有的。 For two billion years bacterial organisms were the only forms of life. 在20亿年时间里，细菌是惟一的生命形