SSS 2010-12-29

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Beauty is only skin deep. And the beauty of shiny white teeth is even less deep. Because a new study shows that fluoride forms a thinner protective shiel

14 A Rare Fossil Record

14 A Rare Fossil Record The preservation of embryos and juveniles is a rate occurrence in the fossil record. The tiny, delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be fossilized. Ichthyosaurs had a

Dental Health

07 牙病的预防与治疗 DATE=2-27-01 TITLE=SCIENCE IN THE NEWS #2113 - (1)Dental Health BYLINE=Nancy Steinbach VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the

彭蒙惠英语：Spreading the World… Silbo Style

Spreading the World… Silbo Style By Susan Zimmerman Discovering an ancient whistling language on a tropical Atlantic island 1 All eyes and ears are upon teacher Isidro Mendoza when he enters the cla

科学美国人60秒 SSS New Insecticide Makes Mosquitoes Pop

It's bad enough that mosquitoes suck our blood, and sometimes pass on disease. But there's more. They can actually give you a disease and pee on you at the same time. Adding insult to injury if you will. Jerod Denton, a pharmacologist at Vanderbilt U

Eztalk美语【71】That's more like it. 这才象话。

Fruit Vendor: Wait! Don't go just yet. These bananas are pretty cheap--only 35NT for this bunch. Robert: Now that's more like it! Bananas have lots of potassium, too! Fruit Vendor: They're also good for your digestion! Would you like some kiwis, too?

专业术语—口腔生理学术语D1(英文详解)

Darwinian medicine - an approach to the treatment of infective diseases which takes account of the co-evolution between the host and its parasite. Deciduous - from the Latin

专业术语—医院常用抗菌药物的英文翻译(2)

青霉素类 苯唑西林钠 Oxacillin Sodium 新青霉素Ⅱ，苯唑青霉素钠，苯甲异噁唑青霉素 奈夫西林 Nafcillin 新青霉素Ⅲ，乙氧萘青霉素 匹美西林 Pivmecillinam 氮卓

五人英语话剧剧本-The Silber Swindle

5人 Actors: Tavern Keepe:(男主角) Young Man Keeper's Wife(女主角) Young Man Old Man Summary: Once upon a time, there was a tavern. Travelers and hunters would exchange silver ingots for copper coins and eat some food there. The tavern keeper a

VOA标准英语2010年-Coal Burning Linked to Fluoride Diseas

A cluster of villages in China's Guizhou province has been plagued by an outbreak of disease that damages teeth and bones. Now, a new study by Chinese and American researchers puts the blame on polluted coal burned in home fireplaces. In small quanti

VOA标准英语2013--Dietary Changes Help Lower Blood Pressure

Dietary Changes Help Lower Blood Pressure Sunday, April 7, is World Health Day, and this years theme is high blood pressure, also known as hypertension. The World Health Organization has recommended reducing salt or sodium intake to lower the risk of

2015年CRI China's Laboratory Safety Must be Highlighted, Improved

Tsinghua University released the initial investigation results provided by Haidian Public Security Bureau a few days ago, which revealed that a hydrogen cylinder exploded accidentally, and the whole lab then caught fire. Meng Xiangjian died as the re

英语听力文摘 English Digest 63、啤酒对大脑的影响

Under normal circumstances, each of your brain cells allows various substances, such as sodium, calcium and potassium to permeate its outer cell membrane. Once inside the brain cell, these substances help give the cell stimulus it needs to function p

学个词 Learn a Word-VOA英语教学 2280-fluoride

今天我们要学的词是 fluoride. Fluoride 氟化物。The U.S. government is lowering the recommended amount of fluoride added to drinking water for the first time in more than 50 years. 美国政府50多年来首次降低饮用水建议添加的氟

第213期:炎炎夏日,你为何需要一杯柠檬水

今天分享的是柠檬水的妙用。 重点词汇 immune system 免疫系统; potassium n.化钾; freshen vt.使新鲜; 使清爽，使有精神，把（自己）盥洗一番; 1. Gives your immune system a boost. 2. Excellent source of potassium.

Uma Gunasilan

BBC Learning English People and Places Sun Hai Nin SIG Sun Hai Nin: Well, hello everybody Im Hai Nin, Im from China and now Im in London. William:And Im William Kremer welcome to People and Places. You just heard a young Chinese Woman, Sun Hai Nin.

新型解酒饮品解决宿醉烦恼

Sore heads the morning after the night before could become a thing of the past thanks to a 'revolutionary' new drink - designed to prevent HANGOVERS. 一种专为防止宿醉设计的革命性新饮品有望令宿醉第二天早上醒来后的头痛成

每天3只香蕉能降低中风风险

Eating three bananas cuts your risk of a stroke, scientists say. A banana for breakfast, one for lunch and one in the evening would provide enough potassium to reduce the chances of suffering a blood clot on the brain by around 21 per cent. 科学家称

生活英语：健康饮食（双语）

生活英语：健康饮食（双语）

英语听书《海底两万里》第117期 第9章 尼德·兰的愤怒(2)

Although our cell was large, we obviously had used up most of the oxygen it contained. 虽然牢房还算宽大，但很明白，我们已经消耗掉了里面大部分氧气。 In essence, over an hour's time a single human being consumes all the ox