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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
Part 1 A Brief Introduction to Hawaii 夏威夷群岛简介 The Hawaiian island chain began around 10 billion years ago with the form ation of Kauai and Niihau. The islands are a result of the movement of the Pacific Plate, one of Earth's tectonic plates,
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By Paula Wolfson Honolulu 09 September 2007 President Bush stopped in Hawaii on his way home from the Pacific rim summit in Australia. VOA White House correspondent Paula Wolfson reports from Honolulu Mr. Bush met with military commanders, and visite
2007年VOA标准英语（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
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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
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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