单词:alkaline denaturation
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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
What you have just heard is Thierry Joulin from France singing the northern Shaanxi folk song Nanniwan. Singers of these songs have breathed new life into this traditional Chinese folk music by spreading the scent of the earth in their lyrics to west
As most places on China's Loess Plateau face the fierce cold of winter, Pinglu County in Shanxi Province is instead rather warm. Every November, thousands of wild swans arrive here from remote Siberia to escape the cold weather. Pinglu residents have
Broadcast:Feb 25, 2003 By Mario Ritter This is the VOA Special English Agriculture Report. The Bush administration has been trying to get the European Union to accept new genetically engineered crops.
Jen: Hello and welcome to 6 Minute English from BBC Learning English. I'm Jen and with me today is Neil. Neil: Hello there. Jen: Todays story is all about allergies. If you have an allergy to something, your body reacts to it in a negative way. Do yo
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