理学 >>> 数学 信息科学与系统科学 物理学 化学 天文学 地球科学总论 大气科学 地球物理学 地理学 地质学 水文学 海洋科学 生物学 科学技术史
搜索结果: 1-14 共查到理学 Bees相关记录14条 . 查询时间(0.416 秒)
Pollinators are under threat. A meta-analysis reveals that the combination of agrochemicals, parasites and malnutrition has a cumulative negative effect on bees, and that pesticide–pesticide interacti...
Common insecticide is harmful to bees in any amount     bee  pesticide  ecological system  plant       font style='font-size:12px;'> 2021/8/5
The dangers of neonicotinoid insecticides likely can't be watered down. That's the conclusion of a new study showing an insecticide made for commercial plant nurseries is harmful to a typical bee even...
Pollen-sized technology protects bees from deadly insecticides(图)     花粉大小  蜜蜂  杀虫剂       font style='font-size:12px;'> 2023/5/24
A Cornell-developed technology provides beekeepers, consumers and farmers with an antidote for pesticides, some of which may kill wild bees and can contribute to beekeepers losing around a third of th...
Bees' movements may lead to new swimming, flying robots(图)     Bees movements  new swimming  flying robots       font style='font-size:12px;'> 2020/1/21
Walking on Caltech's campus, engineer Chris Roh happened to see a bee stuck in the water of Millikan Pond. Although it was a common sight, it led Roh and his colleague Mory Gharib to a discovery about...
An unprecedented study integrating data from around the globe has shown that honey bees are the world’s most important single species of pollinator in natural ecosystems and a key contributor to natur...
Climate’s Effects on Flowers Critical for Bumble Bees(图)     Climate  Flowers Critical  Bumble Bees       font style='font-size:12px;'> 2017/10/25
Climate change can influence consumer populations both directly, by affecting survival and reproduction, and indirectly, by altering resources. However, little is known about the relative importance o...
New research from a team of Florida State University scientists and their collaborators is helping to explain the link between a changing global climate and a dramatic decline in bumble bee population...
To Buzz or to Scrabble?To Foraging Bees,That's the Question     To Buzz  to Scrabble  To Foraging Bees       font style='font-size:12px;'> 2017/7/24
Imagine going to the supermarket to stock up on groceries but coming home empty-handed because you just couldn't figure out how to work the shopping cart or figure out how to get to the ice cream tubs...
Air pollutants interact with and break down plant-emitted scent molecules, which insect pollinators use to locate needed food, according to a team of researchers led by Penn State.  The pollution...
Blackberries and blueberries. Cherries and peaches. Raspberries and apricots. These and many other summer fruits require pollination by bees. But remove even one bumblebee species from an ecosystem a...
Honey bees use different sets of genes, regulated by two distinct mechanisms, to fight off viruses, bacteria and gut parasites, according to researchers at Penn State and the Georgia Institute of Tech...
Let’s say you’re a bee and you’ve spotted a new and particularly lucrative source of nectar and pollen. What’s the best way to communicate the location of this prize cache of food to the rest of your ...
Busy brain bees race to finals     2010 Brain Bee Champion  the national finals  neuroscience questions       font style='font-size:12px;'> 2010/1/28
Ten of the brainiest high school students from across Australia and New Zealand will fight it out for the title of 2010 Brain Bee Champion at the national finals in Sydney this weekend. The event ma...
The School of Biological, Earth and Environmental Sciences at the University of New South Wales(BEES) incorporates these environmentally relevant disciplines enabling the School to offer a comprehensi...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...