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nests in Medical News

Which came first, social dominance or big brains? Wasps may tell

... The researchers studied five wasp colonies in a tropical cloud forest near Monteverde, Costa Rica. They first marked all resident adult wasps on the nests and these individuals were excluded from further analyses. Newly emerged wasps then were captured and marked over the next several days and returned ...

Scientists find mercury threatens next generation of loons

...16 percent of the adult population in the study areawere found to spend some 14 percent less time at the nest than normally behaving birds. Unattended nests have a higher rate of failure due to either chilling of the eggs or predation by minks, otters, raccoons and other egg robbers. With behavioral ob...

Iowa State University researcher's work on gender, temperature link in reptiles published in Nature

...en population viability. Warner also notes that species may have a way of adapting. The lizards may compensate by moving to cooler places, digging nests deeper in the sand or other ways to stay cooler, said Warner. ...

Researchers Make Strides in VCJD Detection

...n to develop disease. But when the mice stopped producing their own prions, their symptoms cleared up. "A psychologically healthy mouse will make nests and burrow, but they lose that early in the disease, they get withdrawn and depressed and lose their exploratory capacity," said Dr Malucci. "What we'...

Crisis Of Bubonic Plague In New Mexico

... areas clean, rodents-free envirnment, avoiding sick or dead rodents, keeping pets from roaming or hunting, teaching children not to play near rodent nests or burrows – are the precautions given by the department to avoid plague. ...

Humans force yet another species to extinction

...ion size." For their study, the researchers collected hair from tree nests and feces found under nests or near orangutans encountered along the Kinabatangan River. Two hundred or...

Initial Steps In Spread Of Cancer Identified

... these bone marrow cells can be blocked by drugs, then the spread of cancer, which is what makes the disease so deadly can be easily contained, "These nests provide attachment factors for the tumor cells to implant and nurture them. It causes them not only to bind but to proliferate. Once that all takes pl...

Reports of Hantavirus infection in India raise concerns

...there had not been any report of infection in India. Working or living in a rodent infested setting or breathing dust after cleaning rodent droppings/ nests increases the chances of exposure to the virus. This is a significant study. Though the infection appears mild, who knows there may be cases of seve...

The 'Mad Cow' Disease And Protein

...urones without PrPC and surrounded by perineuronal nests breaks with the hypothesis, to date, that the disappearance of such nests – a special form of extracellular matrix – is a pr...o the researchers' observations, the loss of these nests and consequent neuronal death are due to the damag...
nests in Biological News

Live-in domestics: Mites as maids in tropical rainforest sweat bee nests

Mites not only inhabit the dust bunnies under the bed, they also occupy the nests of tropical sweat bees where they keep fungi in check. Bees and their young are healthier when mites live-in, report researchers from the Smithsonian Tropical Research Institute in Panama and the University of Texas ...

Cambodian vulture nests offer hope for species

Working in the remote forests of Cambodia, conservationists from the Wildlife Conservation Society (WCS) have just discovered Southeast Asia's only known breeding colony of slender-billed vultures, one of the world's most threatened bird species. Found in heavily forested country just east of t...

Primates harvest bee nests in Ugandan reserve

In the first study of native African honeybees and honey-making stingless bees in the same habitat, humans and chimpanzees are the primary bee nest predators. Robert Kajobe of the Dutch Tropical Bee Research Unit and David Roubik from the Smithsonian Tropical Research Institute report this finding...

Noise pollution negatively affects woodland bird communities, says CU-Boulder study

... week, allowing researchers to identify individual nests and determine nesting success. The researchers ...inety-two percent of the black-chinned hummingbird nests and 94 percent of house finch nests in the two study areas were found at sites near no...

Not 1, but 2 kinds of males found in the invasive round goby

...all "sneaker" males little males that look like females and sneak into the nests of the larger males. "The existence of these two kinds of males will...e parenting duties of conventional males. They do this by sneaking into the nests of big males or pretending to be females. "Prior to our findings, only o...

Biologists devise unifying framework to explain evolutionary puzzles

...LLE -- Birds are commonly thought of as being the paragon of monogamous fidelity, staying true to their mate for life. Yet, in most bird species, some nests contain offspring of individuals other than the one's tending the nest. Why would a bird invest in another bird's offspring when genetically such p...

Biologists consider unifying framework to explain evolutionary puzzles

...LLE -- Birds are commonly thought of as being the paragon of monogamous fidelity, staying true to their mate for life. Yet, in most bird species, some nests contain offspring of individuals other than the one's tending the nest. Why would a bird invest in another bird's offspring when genetically such p...

Temporary infidelity may contribute to the stability of ancient relationships

...ugh the ants transfer a single fungal strain from generation to generation, nests of different ant species, and even genera, throughout Central America share...archers noticed that several queens from different colonies sometimes start nests very close together and wondered if young queens were given fungi from a ne...

Nontoxic hull coating resists barnacles, may save ship owners millions

...Chemical and Biomolecular Engineering, and Dr. Jan Genzer, professor in the same department, shows for the first time that surface coatings containing nests of different-sized "wrinkles" are effective in preventing barnacles from firmly latching on to the coatings. "The results are very promising," Efim...

Non-toxic hull coating resists barnacles, may save ship owners millions

...Chemical and Biomolecular Engineering, and Dr. Jan Genzer, professor in the same department, shows for the first time that surface coatings containing nests of different-sized "wrinkles" are effective in preventing barnacles from firmly latching on to the coatings. "The results are very promising," Efim...
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