单词:acrodactyla taiwanensis
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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
By Alisha Ryu Nairobi 21 February 2007 International aid agencies are expressing frustration and alarm at their lack of access to several needy regions of Somalia because of continuing insecurity. VOA Correspondent Alisha Ryu in our East Africa Bure
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
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
Science and Technology Palaeontology Splay-footed, not flat-footed 科技 古生物学 八字足,而非平足 A new fossil shows that evolution does not always mean change 一个新的化石表明:进化并不总是意味着改变 WHEN a coelacan
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