VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Bob Doughty. On our program this week, we will tell about an environmental study of the recent wildfires in California. We will also tell how some wat

发表于:2018-12-01 / 阅读(116) / 评论(0) 分类 VOA慢速英语2007年(十二)月

Organisms evolved sexual reproduction so they could stay one step ahead of parasites. Or so the theory goes. But what about beasties that make babies without sex? How do they escape infection? A study in the journal Science suggests that for bdelloid

发表于:2018-12-02 / 阅读(103) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Weve all gotten e-mails warning us about nasty computer viruses. Maybe you even have antivirus software installed on your machine. Well, now scientists s

发表于:2018-12-24 / 阅读(68) / 评论(0) 分类 Scientific American(一)月

unit 570 病症诊断(2) dialogue 英语情景对话 A:I've got a temperature and my stomach hurts. A:我发烧了,胃也疼。 B:How long have you been feeling this way? B:这种症状多长时间了? A:It all started the day before yesterday. A

发表于:2018-12-26 / 阅读(239) / 评论(0) 分类 高频英语口语对话

Flu Virus Disarms Immune System's First Responders 流感病毒瓦解免疫系统的第一道防线 From VOA Learning English, this is the Health Report. 这里是美国之音慢速英语健康报道。 Infection by the influenza virus may be more co

发表于:2019-01-12 / 阅读(124) / 评论(0) 分类 2013年VOA慢速英语(十二)月

New Antibiotic Found in Human Noses 研究人员在人类鼻子发现新抗生素 The search for new drugs to fight infections has led to a discovery in an unlikely place in peoples noses. What researchers found in noses is a compound called lugdunin

发表于:2019-01-12 / 阅读(77) / 评论(0) 分类 2016年VOA慢速英语(八)月

AS IT IS 2016-08-25 Zika Could Affect Adult Brains, Says New Study 新研究表明:塞卡病毒或影响成人大脑 New research suggests the Zika virus may damage some cells in adult brains. Until now, scientists mainly worried about Zikas effects

发表于:2019-01-12 / 阅读(62) / 评论(0) 分类 2016年VOA慢速英语(八)月

Copper Metal Kills Viruses on Contact 铜能杀死细菌和病毒 Even in the world of medicine, what is old is new again. 医药界也刮起了复古风。 Thousands of years ago, Egyptians used it to sterilize drinking water. Ancient Romans, Aztecs

发表于:2019-01-12 / 阅读(146) / 评论(0) 分类 2016年VOA慢速英语(二)月

Update: Breakthrough in Fighting Zika From VOA Learning English, this is the Health Lifestyle report. Researches have reported a breakthrough in the search for a treatment for Zika virus. To better understand this report, you will need to know the fo

发表于:2019-01-12 / 阅读(151) / 评论(0) 分类 2016年VOA慢速英语(十一)月

Everybody loves the swimming pool. But how clean is the water in the average backyard or public pool? If you trust chlorine to take care of germs, you're in for a surprise. Chlorine and other disinfec

发表于:2019-01-26 / 阅读(100) / 评论(0) 分类 阅读空间

DEVELOPMENT REPORT - Better Control of TB Seen If a Faster Cure Is FoundBy Jill Moss Broadcast: Monday, August 07, 2006 This is the VOA Special English Development Report. The World Health Organizatio

发表于:2019-01-30 / 阅读(89) / 评论(0) 分类 2006年慢速英语(八)月

78 非洲睡眠病在撒哈拉沙漠南部国家猖獗蔓延 DATE=8-6-01 TITLE=DEVELOPMENT REPORT - African Sleeping Sickness BYLINE=Nancy Steinbach (Startat 59

发表于:2019-01-30 / 阅读(122) / 评论(0) 分类 科技之光

The United States has warned that far too many Americans underestimate their risk for HIV or mistakenly believe the virus that causes AIDS is no longer a serious health threat. A statement was issued Thursday by the Centers for Disease Control and Pr

发表于:2019-02-02 / 阅读(91) / 评论(0) 分类 英语新闻

UN Secretary-General Ban Ki-moon has called on the international community for more investment in tested approaches to prevent Malaria. Ban says that despite the improvement in prevention tools, there is still need to invest in getting wider access t

发表于:2019-02-04 / 阅读(45) / 评论(0) 分类 英语新闻

Jan Andersson from the Nobel Prize Committee in Physiology or Medicine explained why Tu Youyou won the Nobel Prize. Youyou Tu got half of this year's prize for her discovery of Artemisinin, and she did that from an herb, so she was the one who identi

发表于:2019-02-04 / 阅读(75) / 评论(0) 分类 英语新闻

BERLIN, June 9 (Xinhua) -- A 57-year-old man died of E. coli infection in Germany's Frankfurt Thursday, pushing the death toll from the bacteria to 30. The man had traveled with his wife to the city of Hamburg, an epicenter of the outbreak, Frankfurt

发表于:2019-02-04 / 阅读(103) / 评论(0) 分类 英语新闻

Im all out of easy I need more and then some Can you help me find it? Youre coming in stages, and very contagious Oh Im under pressure Youre feeding me tension And I had to lift it I know that its all wrong Im learning a lesson But I just cant help i

发表于:2019-02-11 / 阅读(52) / 评论(0) 分类 节奏布鲁斯

A killer in close up 杀手在敲门 You can do a lot of damage with just seven genes 七个基因,祸害无穷 EBOLA is a simple virus, but also a subtle one. The stringy looking particles consist of a genome wrapped up in two layers of protein. T

发表于:2019-02-17 / 阅读(49) / 评论(0) 分类 经济学人文艺系列

The Chinese government estimates that in 2013, there were more than 800-thousand people in the country living with AIDS. And at the end of 2014, almost two-thirds of them had access to HIV treatment. The figures are all part of China's commitment to

发表于:2019-02-18 / 阅读(98) / 评论(0) 分类 cctv9英语新闻2015年

今天学的词组是take a toll。 Take-a-toll意思是由于天灾、疾病、事故等造成的损失。 最近有报道说,在加拿大西部,人工养殖的鲑鱼把一种寄生虫散布到附近海域,导致野生鲑鱼大量死亡,Para

发表于:2019-02-24 / 阅读(66) / 评论(0) 分类 学个词