Fossilized Bees Reveal Climate Changes 蜜蜂化石揭示气候变化 LOS ANGELES For millennia, natural tar that seeped from the ground in what is now southern California trapped large and small animals, preserving their fossils and providing scient

发表于:2018-12-16 / 阅读(41) / 评论(0) 分类 VOA标准英语2014年(七月)

Biologist Creates Portrait Gallery of North American Bees 生物学家绘制北美蜜蜂精美肖像画 While the collapse of honey bee colonies in North America is still an unsolved mystery, a biologist with the U.S. Geological Survey is trying to p

发表于:2018-12-16 / 阅读(54) / 评论(0) 分类 VOA标准英语2014年(三月)

Volunteers equipped with nothing more than digital cameras are taking part in an unusual bee hunt. 一些只带着数码相机的义工正在参与一项不寻常的环境研究。 It's part of an environmental study that has amateur photographers do

发表于:2018-12-19 / 阅读(67) / 评论(0) 分类 VOA双语新闻 2010年7月

Bees Prefer Flowers That Proffer Nicotine蜜蜂更偏爱含有尼古丁的花朵 We humans enjoy coffee and tea, to give our brains a caffeine boost. And bees sometimes sip nectar that naturally contains caffeine, which seems to enhance their memory.

发表于:2018-12-24 / 阅读(53) / 评论(0) 分类 2017年科学美国人(五)月

Honey bees are fairly placid insects when left alone. But if antagonized, they will react violently. Researchers from the University of Queensland in Australia are working to better understand honey bees vision, navigation, and, in particular, aggres

发表于:2018-12-26 / 阅读(45) / 评论(0) 分类 自然百科2009年

That's why I'm heading to south Sussex. I've heard about an experiment happening right now to establish how much pesticide bees are really getting in the wild. So I'm joining in Professor Dave Goulson and his team to find out how they are going to do

发表于:2018-12-27 / 阅读(41) / 评论(0) 分类 探索与发现2014年

This is one of the most important experiments taking place. The one that could help us understand the degree to which research done so far is relevant to bees in the wild.-So what we know so far? There's a good arguement for saying that diseases and

发表于:2018-12-27 / 阅读(43) / 评论(0) 分类 探索与发现2014年

-Hmm, that's pretty lovely.He puts that down to his honey bees' rather unusual habitat. -We're on the roof of Tate Britain and here these are some of the bees that I look after for the Tate. -I have to say and congratulate. You're having really very,

发表于:2018-12-27 / 阅读(43) / 评论(0) 分类 探索与发现2014年

One of the first thing they look at is taking place in the grounds of University of Reading. They are hand-pollinating strawberry plants. It might seem strange, but hand-pollination is something that's already been trying out in southwest China, wher

发表于:2018-12-27 / 阅读(60) / 评论(0) 分类 探索与发现2014年

But there is a second option to find ways of creating more bee-friendly enviornment. There is another reseach group at the University of Reading, who are trying a very different approach. Scientists Vicky and Jenny Wickens are investigating a way to

发表于:2018-12-27 / 阅读(49) / 评论(0) 分类 探索与发现2014年

Bees Have Different Jobs According To Their Age Bees take on different jobs in a bee hive according to their age. Many become food scouts when older, but not all scouts are the same. Some search for new flowers, while others fly to and from establish

发表于:2018-12-31 / 阅读(48) / 评论(0) 分类 英语听力文摘 English Digest

Carnivorous Bees 蜜蜂也吃肉? I guess you never heard of Trigona hypogea, a South American bee that not only collects meat from animal carcasses, but has more recently been discovered to have a taste for live prey as well. Scientists have seen

发表于:2019-01-26 / 阅读(40) / 评论(0) 分类 英语听力文摘 English Digest

似乎每个人都最爱的一门语言。Bab.la是牛津字典网的姐妹网站,2013年举办了bab.la语言世界杯,看看语言爱好者社区最爱的语言有哪些。前两届比赛有32门参赛语言。冠军花落谁家?2013年是英语

发表于:2019-02-01 / 阅读(76) / 评论(0) 分类 阅读空间

Solar Eclipse Was Buzzkill for Bees Last summer's total solar eclipse sliced right through Columbia, Missouri. It was remarkable. As a biologist I generally reserve that word 'remarkable' for biological phenomena.Candace Galen is based at the Univers

发表于:2019-02-03 / 阅读(103) / 评论(0) 分类 2018年科学美国人10月

Bees Prefer Flowers That Proffer Nicotine We humans enjoy coffee and tea, to give our brains a caffeine boost. And bees sometimes sip nectar that naturally contains caffeine, which seems to enhance their memory. Now a study suggests that bees enjoy a

发表于:2019-02-13 / 阅读(62) / 评论(0) 分类 2018年科学美国人2月

Bees Have a Goldilocks Lawn Mow Schedule Add up every golf course, athletic field, industrial park, and yard in the U.S. and you have an area nearly the size of Florida. Upon first glance, all that lawn might seem a biological wastelanda monoculture

发表于:2019-02-14 / 阅读(89) / 评论(0) 分类 2018年科学美国人4月

The gift of tongues. 语言的天赋。 What makes some people learn language after language? 何者吸引一些人接二连三地学习多门语言? Babel No More: The Search for the World's Most Extraordinary Language Learners. 消逝的巴别塔:寻

发表于:2019-02-17 / 阅读(103) / 评论(0) 分类 阅读空间

This tiny sensor mounted on a bumblebee is monitoring all kinds of important environmental data. This is the brainchild of a group of researchers at the University of Washington. What made us start the aim of this was our prior work on building insec

发表于:2019-02-18 / 阅读(60) / 评论(0) 分类 VOA标准英语2019年(一月)

Honeybees in Winter 一只蜜蜂无法度过严寒的冬天。一群蜜蜂则不同。据说蜂箱中的蜜蜂要过冬的时候,往往要抱成一团。最外面的一层是工蜂,它们拼命地煽动着翅膀,像厚厚的衣服一样阻隔着外

发表于:2019-02-24 / 阅读(76) / 评论(0) 分类 英语听力文摘 English Digest

Fatherless Honeybee s How male honeybee s can be without fathers? The reason lies in whats called a haploidiploid system of sex determination. Approximate ly one-fifth of the animal kingdom, including ants and wasp s , use this system. What it boils

发表于:2019-03-09 / 阅读(164) / 评论(0) 分类 英语听力文摘 English Digest