单词:malaria mosquitoes
单词:malaria mosquitoes 相关文章
This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 Israeli researchers say they have developed a substance that attracts and kills mosquitoes infected with the malaria parasite. However, the sweet smelling
Mosquitoes Genetically Modified to Prevent Malaria There may soon be a new weapon in the fight against malaria - a genetically-modified mosquito that kills the disease-causing parasite once it becomes infected. Malaria is a leading cause of death wor
As you've probably experienced firsthand, some mosquito species have a real taste for warm, human blood. So much so that if you raise them on it the lab, they'll accept no substitute. Fortunately, I don't get major reactions at all. Brad Main is a mo
Former U.S. President George W. Bush declared April 25 as World Malaria Awareness Day in 2007. He asked the world to join the fight to wipe out malaria on the African continent. He said: We focus our attention on all who suffer from this terrible dis
87 蚊子传播疾病导致每年数百万人死亡 DATE=8-28-01 TITLE=SCIENCE IN THE NEWS #2139 - Diseases Spread by Mosquitoes BYLINE=Nancy Steinbach VOICE ONE: This is Sarah Long. VOICE TWO: And th
Medical science has eliminated only one disease, smallpox. Bill and Melinda Gates called last year for a campaign to stop malaria. But experts differ on the idea. Some say existing measures could reduce cases by 90 percent. Transcript of radio broad
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an
SCIENCE IN THE NEWS -June 4, 2002: Malaria By Oliver Chanler VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Sarah Long with Science in the News, a VOA Special English program about recent deve
This is the VOA Special English Development Report. Scientists are studying ways to make mosquitoes resist malaria-causing parasites Scientists continue to seek better weapons against malaria. Each year the number of cases is in the hundreds of milli
Why Do Mosquitoes Choose to Bite You? 为什么蚊子会叮你? Mosquitoes have an extraordinary ability to target humans far away and fly straight to their unprotected skin. Regrettably, mosquitoes can do more than cause an itchy wound. Some mosquit
By Paul Sisco Washington 23 March 2007 U.S. scientists in the United States say they have moved a step closer toward success in the fight against malaria, by developing mosquitoes that are resistant to at least one form of the deadly illness. More o
Cameroon Winning Battle to Reduce Malaria Its a Monday morning at the Yaounde central hospital, and one of the busiest days of the week for the doctors and nurses who work here. Hundreds of sick people wait for their turn in one of the consultation r
Under UV light, this mosquito larva reveals a red fluorescent marker in its nervous system, causing eyes and nerves to glow. The marker's presence tells the researchers in Riehle's team that this individual carries the genetic construct rendering it
Microbe Could Help Battle Malaria Researchers have discovered a bacterium in the gut of the Anopheles mosquito which may someday be used to destroy and, therefore, prevent the spread of the disease-causing parasite. The World Health Organization esti
Scientists Infect Mosquitoes to Stop Dengue Australian researchers report success in attacking the insects that carry the dengue virus, a rarely fatal disease that nonetheless takes a huge toll in sickness and economic loss in the tropical areas wher
Sequestration Puts Malaria Vaccine Trial in Jeopardy No buzz is heard. But you can almost feel the vibration of 10,000 mosquitoes. Instinctively, you scratch, even though no insect is freely flying. The females are attracted to body heat to feed on b
By Jessica Berman Washington 19 March 2007 Transgenic mosquito Scientists say they are a step closer to showing that it may be possible to genetically alter mosquitoes to control malaria, a disease that kills more than a million people in developing
AUDIE CORNISH, HOST: What if scientists could genetically modify mosquitoes to wipe out a disease that kills hundreds of thousands of people each year? They're trying to do that with a new genetic engineering technique. They hope it will help them fi
Israeli(以色列) researchers say they have developed a powerful bait that effectively attracts and kills malaria-infected mosquitoes but is completely harmless to humans and other animals. The toxic sugar bait developed by scientists at Hebrew Univ