单词:mosquito larvae
单词:mosquito larvae 相关文章
Many people regard summer as a time for relaxing, eating ice cream, and...ouch! I just got bitten by a mosquito! For centuries, people have been searching for effective ways to prevent mosquito bites. What they have been looking for is mosquito repel
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember. Today, we tell about diseases spread by mosquitoes -- the most widely hated insects in the world. (MUSIC) VOICE ONE: A female mosqui
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. April 25th was World Malaria Day. The mosquito-borne disease is still one of the biggest killers in developing countries with a death toll of a million
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. How do baby coral find a new home in the open ocean? They listenvery closelyfor reef sounds. Scientists at the University of Bristol in England had alrea
Researchers may have found an unusual way to reduce plastic pollution, one bite at a time. It turns out that the common wax worm can eat plastic. Also known as the Galleria mellonella, these worms may help reduce the waste caused by plastic bags. Eac
Kurt Achin It is rainy season in Southeast Asia, and the region is facing its annual battle with dengue fever and other mosquito-borne diseases. The World Health Organization says such diseases are a
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Barbara Klein. This week, we will tell about a plan to stop the disease malaria in Africa by twenty fifteen. We will also tell about a change of leade
Dallas Attacks West Nile Virus by Land, Air The aerial and ground fumigation programs are blanketing around 1,400 square kilometers of the county, but don't target all mosquitoes. Laura McGowan, who works with Clarke, the company contracted to carry
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
In Kenya, a Community Fights Against Malaria As World Malaria Day is observed worldwide April 25, VOA takes a look at Malindi, a city on Kenya's coast that is fighting malaria through community action. As the world works to eliminate malaria deaths b
Scientists Target Mosquito-Borne Illnesses Of all the disease-spreading insects in the world, the mosquito poses the greatest menace, according to the World Health Organization (WHO). As if to underscore that threat, two mosquito-borne viral diseases
Promising Mosquito Repellent Announced美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 6
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By Caroline Sawyer Nairobi 09 August 2007 In Kenya, environmental researchers say they may have discovered a new, effective weapon to combat malaria. The disease kills more than 1 million people worldwide each year. Caroline Sawyer reports from our o
A Tasmanian farmer-couple recently discovered what might just be the worlds woolliest sheep. Theyve named the super-fluffy creature Shaun. As it turns out, Shaun has never had his coat cut, and it is at least half-a-meter thick now. In fact he appear
A Chinese entomologists has found a giant mosquito with a wing span of 11.15 centimeters. Zhao Li, curator of the Insect Museum of West China, said the mosquito, which belongs to the world's largest mosquito species Holorusia mikado, was found in Aug
李华在问Larry去野营的事。 LH: Hi, Larry! 你们去野营,开心吗? LL: Sure, I guess so... but look at this sunburn I got! The sun really did a number on my face! LH: 哟,看你的脸给晒的! 你说太阳怎么啦?Did a number,
Voice 1 Thank you for joining us for Spotlight. Im Liz Waid. Voice 2 And Im Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand no matter where in the world they live. Voice 1 In February 2007, c