搜索结果: 1-15 共查到“国际动态 理学 Ants”相关记录15条 . 查询时间(0.066 秒)
Between ants and acacias,timing is everything（图）
ants acacias timing is everything
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2019/10/23
In the 1960s, University of Pennsylvania biologist Dan Janzen re-described what has become a classic example of biological mutualism: the relationship between acacia-ants and ant-acacia trees. The aca...
For Global Invasion,Argentine Ants Use Chemical Weapons（图）
Global Invasion Argentine Ants Chemical Weapons
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2018/2/1
From their native home on the banks of South America’s Paraná River, Argentine ants have conquered six continents and many oceanic islands. Their success is explained by several factors: they have mor...
Scientists Reveal How These Ants Snap Their Jaws Shut in the Blink of an Eye
Scientists Ants Snap Jaws Shut Blink Eye
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2017/9/19
Few potential victims stand a chance against the formidable mandibles of a trap-jaw ant. In conflicts between predators and prey, speed is a decided advantage, and evolution has given these insects an...
Lizards may be overwhelmed by fire ants and social stress combined
Lizards overwhelmed fire ants social stress
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2017/7/20
Lizards living in fire-ant-invaded areas are stressed. However, a team of biologists found that the lizards did not exhibit this stress as expected after extended fire ant exposure in socially stressf...
Wasps,Ants,and Ani DiFranco
Wasps Ants Ani DiFranco
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2017/2/16
A University of California, Riverside graduate student has discovered several new species of wasps, including one that she named after musician Ani DiFranco.Judith Herreid, who studies a unique family...
Seeing the Light:Army Ants Evolve to Regain Sight and More in Return to Surface’s Complex Environment
Seeing the Light Army Ants Evolve Surface’s Complex Environment
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2016/3/21
A change to a more challenging environment could, over time, re-ignite and grow old parts of the brain that have gone inactive, according to a study of army ants led by a Drexel biology professor.
New Method to Stop Argentine Ants（图）
Stop Argentine Ants
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2016/3/11
The Argentine ant is an invasive species that has become a major nuisance in California and southern states, including Georgia, South Carolina. Alabama, Mississippi, Louisiana, Florida, Tennessee and ...
Ants Were Socializing–and Sparring–Nearly 100 Million Years Ago,Rutgers Study Finds
Ants Were Socializing Sparring Rutgers Study
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2016/2/23
Like people, ants have often fought over food and territory.But ants began fighting long before humans: at least 99 million years ago, according to Phillip Barden, a fossil insect expert who works in ...
Staying Cool:Saharan Silver Ants（图）
Staying Cool Saharan Silver Ants
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2015/7/13
Nanfang Yu, assistant professor of applied physics at Columbia Engineering, and colleagues from the University of Zürich and the University of Washington, have discovered two key strategies that enabl...
Underground Ants Can't Take the Heat
Underground Ants Can't Take the Heat
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2015/6/18
Army ants, the nomadic swarming predators underfoot in the jungle, can take down a colony of prey animals without breaking a sweat. But certain army ant species can’t take the heat.According to a new ...
Trap-jaw ants jump with their jaws to escape the antlion's den
Trap-jaw ants jump escape the antlion's den
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2015/5/25
Some species of trap-jaw ants use their spring-loaded mandibles to hurl themselves out of harm’s way when an ant-trapping predator stalks, researchers report in the journal PLOS ONE. This dramatic man...
The Ants That Conquered the World
Ants Conquered the World
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2014/12/30
About one tenth of the world’s ants are close relatives; they all belong to just one genus out of 323, called Pheidole. “If you go into any tropical forest and take a stroll, you will step on one...
Study: Big-headed ants grow bigger when faced with fierce competitors
fierce competitors Big-headed ants
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2014/10/9
CHAMPAIGN, Ill. — The big-headed ant (Pheidole megacephala) is considered one of the world’s worst invasive ant species. As the name implies, its colonies include soldier ants with disproportionately ...
With Their Amazing Necks, Ants Don’t Need “High Hopes” to Do Heavy Lifting（图）
high hopes Ants Amazing Necks
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2014/3/21
The design of future space robots may take a cue from the neck joint of an unassuming American field ant.
‘Micro-ants’: Tiny conveyor belts for the 21st century（图）
Micro-ants Tiny conveyor belts the 21st century
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2009/12/22
A new microscopic system devised by researchers in MIT’s Department of Materials Science and Engineering could provide a novel method for moving tiny objects inside a microfluidic chip, and could also...