Tag: "workers" at biology news
Termites feed through good vibrations
...ect: limiting reproduction potential. Most termite workers
are sterile; they don't breed. However, in drywood termites, workers
can become fertile and develop into breeders when they are isolated from their colony. Few workers
Study: Soap And Water Work Best In Ridding Hands Of Disease Viruses
... 30 seconds or so, but that’s not what health-care workers
usually do in practice, and we wanted to test the products under realistic conditions," she said. Anti-microbial agents were best at reducing bacteria on hands, but waterless, alcohol-based agents had variable and sometimes poor effects, becoming le...
Ants Genetic Engineering Leads To Species Interdependency
...tively given up the ability toproduce pure-species workers
in favor of the hybrids, thereby becomingcompletel... ant populations in southern New Mexico,queens and workers
from the same colonies are genetically verydifferent; in both species at the site, only the queens a...
New studies suggest airborne SARS transmission is possible
...ing the outbreak in Toronto hospitals, health care workers
became infected with the virus despite observance of strict infection control precautions. The investigators wondered whether environmental contamination of hospital air or surfaces could explain the ongoing risk of SARS coronavirus transmission to h...
Study Models Impact Of Anthrax Vaccine
...ere delayed more than 10 days. In 2001, somepostal workers
did not begin taking antibiotics until 9 days afterexposure.The current licensed anthrax vaccine requires six doses over an18-month period to provide immunity. The researchers looked at whatimpact a new and improved anthrax vaccine could have, and ev...
Use of Insecticides Linked to Lasting Neurological Problems for Farmers
...e study will provide information that agricultural workers
can use in making decisions about their health and the health of their families. ...
Transgenic plants remove more selenium from polluted soil than wild plants, new tests show
...aid Banuelos. He noted that every morning trained workers
swept through the fields to literally nip any flowers in the bud, and that netting and buried chicken wire were used to keep wildlife away from the plants. "One of the challenges in developing transgenic plants for remediation is engineering them in...
WHO Warns Of Increased Risk Of Vector-borne Diseases In Tsunami-affected Areas
...cticides as a stopgap measure. In addition, health workers
are starting to involve the community to clean up ...ng the period of illness. * Doctors and health workers
treating cases of dengue fever should also notify the health authorities. Related Links - Regional...
Bee mites suppress bee immunity, open door for viruses and bacteria
... have a variety of infection modes ?queen to eggs, workers
to food supply, bee to bee, and parasite to bee." ...
Fungus Effective Against Winged Termites
...rrent control efforts focus on eliminating termite workers
in colonies--not on destroying alates during the crucial period before they form new colonies. Raina stumbled across the novel fungal strain after capturing dozens of swarming alates for other studies. To his surprise, all of the insects died within...
Leprosy genome tells story of human migrations, French researchers report in Science
...on back to a certain region may help public health workers
monitor the movement of the disease over time and determine the geographic source of new infections, said study author Stewart Cole of the Pasteur Institute. Historically, it's been thought that leprosy originated in the Indian subcontinent and was ...
Two studies document rise of superbugs in the environment
...ns in Texas should raise red flags for health care workers
everywhere. "There have been deaths related to this organism, although the vast number are skin and soft tissue infections," said Sheldon Kaplan, MD, lead author of the Texas study. He added that because of this "very dramatic increase" in MRSA infec...
Scalpel-free surgery could reduce risk of HIV and hepatitis exposure for health care workers
...me to prevent the spread of disease to health care workers
in the operating room," said Martin A. Makary, M.D... high-risk settings to further protect health care workers
from accidental transmission," added Makary. Sharpless surgical techniques include laparoscopy, ele...
Siberian tigers hang tough
...th their massive footprints in the snow. With some workers
spending months in the field and covering over 21,000 km (13,000 miles) of transects by foot, ski, snowmobile, and car, over 4,100 tracks were recorded, most representing multiple tracks of a single individual. Researchers map out the location of all...
Why were the HIV prevention trials in commercial sex workers abandoned?
... the global HIV epidemic is to give commercial sex workers
an HIV medication (such as the drug tenofovir) bef... trial of tenofovir among Cambodian commercial sex workers
caught the world's media attention. But Jerome Singh, of the Centre for the AIDS Programme of Resear...
Primate virus jumps species barrier to humans for first time in Asia
...land's four main monkey temples every year. Temple workers
and people who live near the temples also have a great deal of contact with monkeys at the religious sites. "In Asia, the amount of contact between humans and primates in temple settings dwarfs the contact due to bushmeat hunting," says Jones-Engel....
Ants, not evil spirits, create devil's gardens in the Amazon rainforest, study finds
... that devil's gardens are produced by M. schumanni workers
rather than by D. hirsuta allelopathy," the author...d by a single ant colony with as many as 3 million workers
and 15,000 queens, adding that the presence of multiple queens "undoubtedly contributes to colony lo...
The very defensive caterpillar
..., infection by the pathogen. Using RNAi techniques workers
at the University of Bath have shown that several different proteins can confer this protective effect against subsequent infections. Micro-organisms such as bacteria, fungi and nematodes are often used as biocontrol agents against insects. It had a...
New understanding of jet lag
...tudy also has implications for ways to treat shift workers
- health care providers, factory employees, truck ...using this new knowledge, might also benefit shift workers
and older people who suffer from sleep disorders. In nature, day and night cycles shift slowly as t...
Less virulent strains of avian influenza can infect humans
...ks, collecting 983 blood samples from poultry farm workers
in the outbreak regions. Blood was tested using th... in mixed infections, they emphasized that poultry workers
should be systematically vaccinated, pointing out that such workers
are identified as high-risk and ...
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