​Whale Drags Trainer off Platform in Fatal Attack

Whale Drags Trainer off Platform in Fatal Attack

女训练员命丧杀人鲸口

A veteran SeaWorld trainer was leisurely rubbing a killer whale from a poolside platform when the 12,000-pound creature reached up, grabbed her with its mouth, and dragged her underwater where she drowned. Horrified visitors who had stuck around after a show watched the animal charge through the pool with trainer Dawn Brancheau in its jaws. Workers rushed with nets to help her as an alarm sounded, but it was too late. It marked the third time this animal had been involved in a human death.

According to audience member Eldon Skaggs, Brancheau's interaction with the whale appeared leisurely and informal at first, but then the whale "pulled her under and started swimming around with her." Some workers hustled the audience out of the stadium, while the others tried to save Brancheau.

　　一位经验丰富的海洋世界训练师在表演台池边用手正轻拍着一只杀人鲸时，这只 1 万 2 千磅重的杀人鲸却往上扑过去，用嘴咬住训练师，把她拖到水里，造成这名训练师溺毙。观赏完表演还在场内逗留的游客简直吓坏了，他们看见这只杀人鲸嘴里含着训练师布兰萧往池里冲。工作人员在警报声响起时，急忙拿着网子前往搭救，但为时已晚。这是这只杀人鲸第 3 次攻击人类致死的案例。

　　根据观众 Eldon Skaggs 的说法，布兰萧和这只杀人鲸的互动刚开始看来悠闲而轻松，但接着鲸鱼『把她拖入水底，开始衔着她四处游动』。有一些工作人员赶紧催促观众离开表演场地，其他工作人员则试图搭救布兰萧。

Flightless Mosquitoes May Curb Dengue Fever

基因改造不能飞的蚊子：抑制登革热新招

Genetically-altered mosquitoes that cannot fly may help slow the spread of dengue fever and could be a harmless alternative to chemical insecticides, US and British scientists said on Monday. They genetically altered mosquitoes to produce flightless females and said spreading these defective mosquitoes could suppress native, disease-spreading mosquitoes within six to nine months.

There is no vaccine or treatment for dengue fever, which is endemic in the tropics and is particularly prevalent in Asia and the western Pacific. The disease, which causes severe flu-like symptoms and can kill, is spread through the bite of infected female mosquitoes.

There are an estimated 50 million cases of dengue fever each year and about 2.5 billion people are at risk, mostly in Africa and Southeast Asia, according to the World Health Organization.

　　美英两国的科学家周一表示，基因改造后不会飞的蚊子也许能减缓登革热的传播速度，这种无害的方式可望取代化学杀虫剂。这些科学家改变蚊子的基因，培育出无法飞行的雌蚊，他们表示，散布这些有缺陷的蚊子，可望于 6 至 9 个月内抑制原生的病媒蚊。

　　登革热主要流行于热带地区，在亚洲和西太平洋地区尤其盛行，目前尚无疫苗或医治的方法。登革热是经由雌性病媒蚊叮咬所传染的疾病，会出现类似流感的严重症状，且有可能致死。

　　根据世界卫生组织估计，每年约有 5 千万人感染登革热，25亿人面临感染危险，这些人主要分布在非洲和东南亚。