VOA美语咖啡屋 Lesson 53:Stand-up Comedy

VOA美语咖啡屋 Lesson 53:Stand-up Comedy J: Hello everyone and welcome to American Cafe! My name's Jody. Y: 欢迎大家到美语咖啡屋。我是杨晨。 J: Hey, Yang Chen, I have a joke. Do you have a minute? Y: Uh huh. J: Okay, did you hear

美语咖啡屋 Lesson 13: Stand-up Comedy

J: Hello everyone and welcome to American Cafe! My name's Jody. Y: 欢迎大家到美语咖啡屋。我是杨晨。 J: Hey, Yang Chen, I have a joke. Do you have a minute? Y: Uh huh. J: Okay, did you

SSS 2010-01-29

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

Study: Humans Know How to Throw Their Weight Around

When you consider all life on Earth, billions of human beings are a relatively small number when compared to trees, earthworms or even viruses. But humans really know how to use what little power we have, a new study found. The study is said to be th

NPR 2011-12-01

From NPR News in Washington, I'm Louise Schiavone. Penn State University is named along with former football assistant coach Jerry Sandusky in the first civil lawsuit to emerge in the sex abuse case. As NPR's Jeff Brady tells us, a 29-year-old man al

SSS 2009-10-23

Some people eat to avoid being bored. Others to avoid doing something theyd rather not, like preparing a podcast. Now a report says we might eat to avoid fungi. Because warm-bloodedness, a condition that requires a lot of calories, may have evolved t

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

VOA慢速英语--Study: Warmer Soil Releasing More Carbon

Even the dirt on the ground is likely making climate change worse, a new study finds. Researchers have shown that warmer temperatures are heating the soil, which is causing microbes to become more active and release more of the soils carbon into the

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 2011-02-03

Orchids are among the most successful flowering plants, with more than 22,000 species around the world. And thats not just because of the obsession they inspire in their human fans. Researchers spent 10 years studying orchids in South Africa, where t

SSS 2012-07-17

This is Scientific American -60 seconds science. Im Cynthia Graber. This will just take a minute. A coal mine can degrade its local environment. But fungus may inadvertently help clean up the mine with its own waste products. Researchers worked with

英语日常语法:不寻常的复数

Everyday Grammar: Unusual Plurals 英语日常语法:不寻常的复数 One fish, two fish, red fish, blue fish, goes the Dr. Seuss childrens story. Why isnt it two fishes? You may think, Ok, its hard to count fish so we group them all together. No p

VOA慢速英语2016 什么是肺炎？怎么预防？

AS IT IS 2016-09-15 What is Pneumonia and How Do You Get it? 什么是肺炎？怎么预防？ This week, presidential candidate Hillary Clinton made news -- not for what she said, but for her health. 这一周，总统候选人希拉里克林顿（H

VOA标准英语2010年-Harmless Fungus Protects African Crops

Possible solution to Kenya's fatal aflatoxin outbreaks Steve Baragona | Washington, DC 10 June 2010 People sharing and distributing aflasafe on a farm in Nigeria. Related Links International Institute of Tropical Agriculture As Kenya suffers with ano

VOA标准英语2011--Genetically-Modified Fungus Kills Malari

University of Maryland scientists are working on a genetically-engineered fungus that would kill the malaria parasite. The battle against malaria continues to challenge doctors, scientists, and public health officials. Now, a team of British and Amer

VOA标准英语2013--Serbian Scandal Highlights Fungal Poison Danger

Serbian Scandal Highlights Fungal Poison Danger Serbian Agriculture Minister Goran Knezevic says the countrys milk is safe to drink. Tests late last month had found aflatoxins in some milk at levels higher than permitted under a law passed two years

60秒科学:Less Fungus among Us Warm-Blooded

Less Fungus among Us Warm-Blooded A study in the Journal of Infectious Diseases finds that one major advantage of being warm-blooded is that the great majority of fungi cannot infect us. Karen Hopkin reports Some people eat to avoid being bored. Othe

AGRICULTURE REPORT - Quorn

AGRICULTURE REPORT -April 2, 2002: Quorn By George Grow This is the VOA Special English AGRICULTURE REPORT. Some food stores in the United States have begun to sell a product called Quorn (pronounced

【英语时差8,16】青霉素的历史

Today, a fever is an uncomfortable nuisance, but a hundred-plus years ago, fevers were often fatal. The difference between then and now is the class of drugs known as antibiotics. As the name implies, anti-biotics work against life, or, more specific

【英语时差8,16】抗生素历史

When you take an aspirin, a decongestant, or a muscle relaxant, the drug youre taking was probably made by a chemist combining a specific mixture of chemicals. Microscopic Fungi And Bacteria Antibiotics, on the other hand, are chemicals produced by m