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(65) / 评论(0) 分类 2016年Scientific American(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

发表于:2019-01-19 / 阅读(87) / 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(71) / 评论(0) 分类 2016年Scientific American(八)月

ATHENS, Sept. 25 (Xinhua) -- Greek indignant anti-austerity protesters returned to the streets of Athens, as the government categorically rejected media reports over the weekend regarding a Greek default in coming months. Some 3,000 demonstrators non

发表于:2019-02-06 / 阅读(67) / 评论(0) 分类 英语新闻

I told you on the day we wed 早在婚礼那天我就告诉过你 I was gonna love you 'til I's dead 这一生我会永远爱你 Made you wait 'til our weddin' night 我的第一次要你等到新婚夜 That's the first and the last time I'll wear wh

发表于:2019-02-11 / 阅读(70) / 评论(0) 分类 英乐时空

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(78) / 评论(0) 分类 万物简史