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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

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

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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

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084 Donkey and the Load of Salt Once upon a time, a salt merchant moved from place to place selling salt. One day, he was walking on a bridge over a stream with salt loaded on the back of a donkey. Yo-ho! Yo-heave-ho! Donkey and the Load of Salt The

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With Water Supply Nearly Dry, Cape Town Declares ‘Day Zero’

The city of Cape Town, South Africa has announced new water restrictions as officials warn the water supply could run dry in three months. The order to take effect February 1 - will cut city residents daily water usage by nearly half over current res

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One of the world's biggest water desalination plants is about to open in Australia's biggest and thirstiest city, Sydney. The plant is part of a program aimed at providing water as the continent battles erratic rainfall and the city attracts 50,000 n

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

英文短故事：The Donkey and The Load of Salt

Once, there lived a peddler. The peddler sold all sorts of goods.sturdy shoes for the farmers and pretty trinkets for their sweethearts, warm, woolly shawls to keep the women warm and sweet, sticky toffees for the children to munch on their way back

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[00:02.39]第16课海洋 [00:04.78]Lesson 61 1 Dialogue [00:08.06]第61课 1 对话 [00:11.34]Bruce is spending Sunday with his friend Li Qun. [00:14.22]布鲁斯跟他的朋友一起度过了星期天。 [00:17.11]LI QUN:Beautiful day,isn't it? [00:

VOA慢速英语2010-Development Report - Water Shortages Cont

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AGRICULTURE REPORT - Irrigation and Salt

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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

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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

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