Earth and Sky:Water Cycle 水循环

Water Cycle 水循环 All the oceans on earth are salty, while inland water is typically fresh. How does water become salty? We'll answer a listener's question -- today on Earth and Sky. DB: This is Earth and Sky. We recently visited the Austin Childr

VOA标准英语2012--Common Infection Raises Female to Male HIV Risk

Common Infection Raises Female to Male HIV Risk A common bacterial infection among women in sub-Saharan Africa sharply increases the risk of HIV transmission to men. Researchers say current treatments provide only a short-term solution. Its long been

美国国家公共电台 NPR For Gideon, Infection With a Common Virus Caused Rare Birth Defects

RACHEL MARTIN, HOST: Today in Your Health, we're going to take a look at a virus that can cause severe birth defects. Yes, as if Zika weren't scary enough, right? But this is something else. It's a virus called CMV, which causes disability for as man

SSS 2010-02-19

When youre looking for a table in a crowded cafeteria, you probably give wide berth to the family that sounds like its sharing a big dish of whooping cough. Well, not if youre a house finch, particularly a male. Because a study in the journal Biology

Earth and Sky:Fire Cycle 火灾规律

Fire Cycle 火灾规律 The El Nino phenomenon of 1997-98 unleashed torrential rain in some parts of the world, while creating abnormally dry conditions in others. And it sparked record numbers of wildfires. Learn more about climate and wildfire -- toda

Tea May Help Fight Infection

Broadcast: April 30, 2003 By Nancy Steinbach This is the VOA Special English Health Report. American researchers say drinking tea may help strengthen the body's defense system against infection. Docto

VOA常速英语2008年-Report: TB Infection Rates in Africa Have Doubl

By Scott Bobb Johannesburg 24 March 2008 As the world marks international Tuberculosis day, a new study has revealed a frightening rise in the past 15 years in tuberculosis cases in Africa. Correspondent Scott Bobb reports from our Southern Africa Bu

VOA慢速英语2009-Development Report - In India, a Cycle Rickshaw

This the VOA Special English Development Report. Picture a bicycle with a two-wheeled carriage in place of a back tire. India has millions of these cycle rickshaws. The operators are called pullers. They ride through the streets pulling passengers a

VOA标准英语2009年-Researchers: AIDS Vaccine Cuts Infection f

By Ron Corben Bangkok 24 September 2009 US Ambassador to Thailand Eric John (L) with Thailand Minister of Public Health Witthaya Kaewparrdai after press conference in Bangkok, 24 Sep 2009 In a major scientific breakthrough researchers in Thailand sa

VOA标准英语2013--Climate, Brain Infection Linked in Uganda

Climate, Brain Infection Linked in Uganda Scientists say they have found the first major neurological condition linked to climate. A Ugandan study shows the amount of rainfall can affect the number of infants who develop a deadly brain infection. Its

VOA标准英语2010年-South Asia Superbug is Potential Globa

Scientists say they have discovered a new gene among bacteria that are highly resistant to even the most powerful antibiotics. Experts say the superbug, originally found in India and other parts of South Asia, is showing up in patients in Europe and

VOA标准英语2011--Antibiotic Alternative Treats Urinary Infection in Mice

Antibiotic Alternative Treats Urinary Infection in Mice Researchers have a new approach for treating urinary tract infections, a painful condition which can often be treated successfully with antibiotics. But many times, the infection is caused by st

英闻天下——67 Chavez Suffers "Severe" Lung Infection

Venezuelan authorities are now conceding President Hugo Chavez is dealing with a severe lung infection. Ernesto Villegas is the Information Minister. After the delicate surgery of this past December 11, Comandante Chavez has faced complications as a

E. coli infection cases rise sharply in Germany

BERLIN, June 1 (Xinhua) -- Germany's disease control center reported on Wednesday 365 new cases of the fatal enterohemorrhagic E. coli (EHEC), which marked a sharp rise since its outbreak in the middle of May. Twenty-five percent of the new cases inv

新西兰英语 179 Seven New Cycle Tracks

The government said that work on the first seven cycle tracks which were promised earlier this year will start in the summer. This will cost $9 million. Another $41 million will be spent later. Together these cycle tracks will be called The Great Rid

粉红猪小妹第二季MP3 40 - The Cycle Ride

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VOA标准英语2010年-AIDS: Vital First Minutes of Infection

A top U.S. health official says the first few minutes after HIV infection may be a window of opportunity to prevent the AIDS virus from firmly taking hold in the body. The HIV thats present during initial infection is different from the virus that re

VOA标准英语2009年-Study Finds High Rate of Infection at

More than 1,200 intensive care units in 75 countries examined Carol Pearson | Washington, DC 08 December 2009 Researchers found that more than half of the 14,000 patients in the study on that one day, developed infections in intensive care units Stay

2017年CRI Complete Cycle of Beethoven's 9 symphonies continues to show in Beijing

Classical music fans in Beijing are now embracing a massive work-the complete cycle of Beethoven's 9 symphonies with The Deutsche Kammerphilharmonie Bremen. Paavo Jarvi, an internationally famous Estonian conductor, is the artistic director of the or

学个词Learn a Word 第1328期 infection

今天我们要学的词是infection。 Infection, 感染。 MIT scientists are developing a new drug that might be able to fight any viral infection, 麻省理工大学的科学家正在研究一种新药，可能可以治疗任何病毒感染。 Re