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科学家研究蚊子为何爱叮人
蚊子 叮人
2017/7/4
你身上的气味使蚊子在很远处就能将你作为理想的目标。当你和朋友谈天或是烧烤时,蚊子将会出动,使你的血液成为它的下一顿大餐。那么,是什么让你对这些小家伙如此具有诱惑力呢?
近日,一个英国研究团队正在启动一项新研究了解人类基因在此过程中所起的作用。他们计划收集200对双胞胎和非双胞胎穿过的袜子,并将它们和蚊子放在一个风洞中,然后观察下一步会发生什么。科学家希望袜子的主人能够自然地分泌吸引性或是排斥性的...
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In urban Baltimore,poor neighborhoods have more mosquitoes(图)
urban Baltimore poor neighborhoods more mosquitoes
2017/7/24
A new study published in the Journal of Medical Entomology reports that in Baltimore, Maryland, neighborhoods with high levels of residential abandonment are hotspots for tiger mosquitoes (Aedes albop...
Dragonflies reveal how biodiversity changes in time and space
Dragonflies biodiversity changes time space
2017/7/24
An ecological filter in a pond, such as voracious fish that feed on dragonflies and damselflies, can help ecologists predict how biodiversity loss may impact specific habitats, according to Rice Unive...
Penn Collaboration Produces Surprising Insights Into the White Spots on Butterfly Wings
Penn Collaboration Insights White Spots Butterfly Wings
2017/7/24
A collaboration between biologists and materials scientists at the University of Pennsylvania is yielding new insights into the wings of the “skipper butterfly” in the Costa Rican rainforest. What the...
Bee antennae offer links between the evolution of social behavior and communication
Bee antennae evolution of social behavior communication
2017/7/24
An international team of researchers, including those from Princeton University, reported that a certain species of bees, called halictid bees, have more sensorial machinery compared with re...
Insects resist genetic methods to control disease spread,Indiana University study finds
Insects resist genetic methods control disease spread Indiana University
2017/7/20
Researchers are exploring the use of the revolutionary gene-editing tool CRISPR-Cas9 to fight human disease and agricultural blight. But a study from Indiana University has found several challenges to...
Quick! Name the top-performing athletes in the animal kingdom. Cheetah? Try again. Blue whale? Nope.Here's a clue: If you take a walk in the desert on a moonlit night, you might see them, darting from...
Scientists Use Big-Brother Technology to Spy on Bumblebees
Scientists Big-Brother Technology Spy on Bumblebees
2017/3/14
By tagging individual bumblebees with microchips, biologists have gained insights into the daily life of a colony of bumblebees (Bombus impatiens) in unprecedented detail. The team found that while mo...
Now, new research from Caltech provides the first understanding into how so few muscles produce such complex flight.The findings, an advance at the intersection of biomechanics and neurobiology, are d...
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While most arachnophiles will likely find tiny spider dancers who can “swagger like Jagger” entertaining, it’s more than the dance that captures the fascination of one NSF-funded University of Cincinn...
Wasps,Ants,and Ani DiFranco
Wasps Ants Ani DiFranco
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...
When a male fruit fly gets aggressive, he rears up on his back four legs and batters his foe with his front pair. Neither fly seems particularly damaged by the encounter, but their subsequent actions ...
IUPUI maps genome of black blow fly;may benefit human health,advance pest management
IUPUI genome of black blow fly benefit human health advance pest management
2016/11/29
Researchers at the School of Science at Indiana University-Purdue University Indianapolis have sequenced the genome of the black blow fly, an insect commonly found throughout the United States, southe...
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About 100 million years ago, a lowly amoeba pulled off a stunning heist, grabbing genes from an unsuspecting bacterium to replace those it had lost.Now Rutgers and other scientists have solved the mys...
The seemingly peaceful atmosphere in an organic garden on the University of Florida campus belies the battles happening among many of its tiniest inhabitants -- the insects. For entomologist Christine...