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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
2016年Scientific American(九)月
Enviropreneur Seeks to Save the Environment, Empower Community enviropreneur变废为宝,拯救环境 NAIROBI Lorna Rutto, a former banker, is now an enviropreneur - turning plastic waste into furniture and fences. Rutto discusses the challenges face
VOA标准英语2014年(九月)
ROME, Dec. 3 (Xinhua) -- Italy lacks the necessary energy(能量,活力) and strength for an economic revival while unemployment and poverty are on the rise, warned a report issued Friday. The 44th edition of the Censis think tank social survey, the
英语新闻
In Africa's battle against malaria, two low-tech tacticsinsecticides and bed netshave done a decent job killing off mosquitoes. But it's mainly one species that's been affected. That's a species called Anopheles gambiae, sometimes called the African
2016年Scientific American(八)月
Panamanian investigators unloading the cargo of a seized Pyongyang ship carrying arms from Cuba under sacks of brown sugar on Tuesday found 12 engines for MiG-21 fighter jets and five military vehicles that officials said resembled missile control ce
英语新闻
You might not think there would be that many people in the world prepared to devote lifetimes to the study of something so inescapably low key, 你或许会认为，世界上不会有多少人愿意花毕生的心血来研究那个不起眼儿的东西
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