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

发表于:2018-12-24 / 阅读(63) / 评论(0) 分类 2016年Scientific American(九)月

PARIS, Jan. 2 (Xinhua) -- Spain-based midfielder Yohan Mollo joined French top league club AS Nancy Lorraine on loan from Grenade, the club said on Monday. Mollo, 22, will play with AS Nancy Lorraine for six month with possibility to be recruited by

发表于:2019-01-09 / 阅读(85) / 评论(0) 分类 英语新闻

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

发表于:2019-01-19 / 阅读(85) / 评论(0) 分类 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

发表于:2019-01-20 / 阅读(69) / 评论(0) 分类 2016年Scientific American(八)月

By Larry London Washington 14 May 2007 Our music is a direct reflection of where I am, begins Shaddix. That's why all our records sound different. It's cool, because I've met a lot of people on the road who say, 'Your music has saved my life', or 'I

发表于:2019-02-06 / 阅读(69) / 评论(0) 分类 2007年VOA标准英语(五月)

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

发表于:2019-02-21 / 阅读(75) / 评论(0) 分类 万物简史