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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
Scientific American(四)月
Mosquito Nets Widely Used for Fishing, Study Finds Mosquito nets usually are used to prevent the spread of diseases which are passed by mosquito bites. Those treated with insect killing substance have been especially successful in the fight to agains
2018年VOA慢速英语(二)月
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
VOA2004（上）--国际时事
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
VOA标准英语2010年(七)月
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
2007年VOA标准英语（八月）
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
2018CRI中国国际广播电台