Tag: "danger" at biology news

Male Moth's Sperm Protects Females

...plant varieties areregarded as weeds and are in no danger of extinction from munching moth larvae. Not a record : Once rattlebox moths start to mate, they remaincoupled for eight or nine hours. That's not a Guinness record, however. Someinsects mate for two days at a time. Mosquitoes, on the other han...

New Carbon Monoxide Sensor Developed For Occupational Use

...ater or space heaters can raise CO levels into the danger zone, ascan automobile exhaust in enclosed spaces. "Although carbon monoxideconcentrations are regulated outdoors by national and state ambient air qualitystandards, most people spend 90 percent or more of their time indoors, which iswhere elevated C...

Invasive fishes pose increasing threat to U.S. waters and native fishes, says USGS

...etewith them for food and spawning sites. Another danger invasive species pose is the loss of biological diversity throughcross-breeding, or hybridization, between exotic and native species. This hasbecome a particular problem for some western trout species in areas whererainbow trout have been introduced....

Duke researchers discover protein that can alert immune system to fight cancer

...the cell, when they are released they can act as a danger signal tothe immune system, which responds by trying to eliminate the insult at theprecise location in the body signaled by these proteins." The work, which was supported by the National Institutes of Health, ispart of Duke's Center for Genet...

Help with 'screamingly radioactive' storage tanks: Nonradioactive substitute created to aid nuclear waste clean-up

...nes, are notradioactive and can be handled without danger by lab workers attempting toquantify how much radioactive material sludges will store or release, and forhow long. Costs of decommissioning tanks, treating every material as a worst case inescaping into the environment, could be hundreds of millions ...

Fragment of AIDS virus may be used to deliver therapeutic proteins to cells

...ult, it isunlikely that the HIV fragment poses any danger of triggering disease, hesaid. To demonstrate that the technique works, the HHMI team hooked the11-amino-acid TAT fragment to a peptide tagged with a compound calledfluorescein that emits a green glow when illuminated by fluorescent light. Thelumino...

USGS fire research in the southeast

...agmented and the natural fire regime disrupted,the danger of invasion by exotic species increases, says Grace. The mostimmediate threat to the coastal prairie today is an invasive tree species knownas Chinese tallow. While this species has been around since the 1700s, it hasgreatly expanded over the past ce...

USGS studies wildfire ecology in the western United States

...orests and human communities face the ever-growing danger of a major conflagration. Interior and Coastal Shrublands While the decline of old-growth forests has long been a high-profile issue in the West, the widespread loss of arid shrublands has gone practically unnoticed. But in the sagebrush ecos...

CU-Boulder professor documents controversial history of Rocky Flats

...lly,however, many citizens protested its potential danger as a global hazard and alocal threat. After years of political debate and governmental and public scrutiny, plutoniumproduction at Rocky Flats was ceased in 1989. Today the plant's mission iscleanup and closure. The controversial history of Rocky ...

Brain compound's anti-aggression effects appear to reverse in monogamous male rodents

...strange male mouse came around, putting thepups in danger of an attack. For the new study, scientists switched over to voles, which are also rodents andlook like a stout mouse or rat, but are more closely related to lemmings andmuskrats than to mice. "Voles were interesting to us because, as in humans, the ...

HIV spreads in therapy-resistant cells

...rotein or protein fragment, that signals potential danger and starts the cell on a course that leads to rapid cell reproduction. If the T cell is infected with HIV, the virus takes advantage of the activity by commandeering the cell's reproductive machinery and churning out many copies of the virus, which c...

Threatened Galapagos plants are focus of biologist's field guide

... in 1845 by naturalist Charles Darwin. In imminent danger of extinction due topressures exerted by man, these and other plants are depicted in Conley K. McMullen's comprehensivefield guide, "Flowering Plants of the Galàpagos." "Many plants native to these islands are tremendously threatened right no...

Licensing procedure for genetically modified organisms turns out to be fallible

... posed by a modified organism, according towhich a danger exists if "it carries an agent P which can produce...his question is thatthe transgene may constitute a danger by being transferred to other organisms. The relevance of questions needs to be discussed by such p...

Cholesterol levels not necessarily indicative of cardiac health

...holesterol levels were found to be under so-called danger levels for 750 men and women who were diagnosed with serious blockage of coronary arteries and had bypass surgery after complaining of chest pains and undergoing cardiac catheterization. Researchers also found that elevated levels of four oxysterols ...

Cockroach birth control from gene discovery

... In the meantime, the household cockroach is in no danger of extinction and researchers have plenty of experimental subjects. The last time Scott and Wen needed cockroaches, they went to some old Cornell graduate-student housing units that were slated for demolition. There they found both the brown-banded...

Adding acetone to compost remediates chunk TNT contaminated soil

Like the Wicked Witch of the West, another danger can be melted away, only this time it's with a bucket of fingernail polish remover. Soil found on old gunnery ranges and military wastewater lagoons is often contaminated with the explosive TNT. In some instances, the common composting method to clea...

Scientists on scent of better coyote management

...o posing a threat to livestock, coyotes are also a danger to deer, antelope and some endangered species. Coyotes rarely attack humans, although the number of reported incidents has increased, the researchers say....

UCSF study finds danger in marathon runners drinking too much water

...drinking only water, could put some runners into a danger zone known as hyponatremia. It was found that some runners who collapsed and died during a marathon had lost the normally well-balanced ratios of salt and water -- they had plenty of water, but far too little salt. To understand how this might kil...

Give it a thought -- and make it so

...We can see what works and what doesn't without the danger of driving a wheelchair into a wall. We can learn how brain interfaces will work in the real world, instead of how they work when someone is just looking at test patterns and letters. The brain normally interacts with a 3-D world, so I want to see if...

Brookfield Zoo hosts international ape conference

...ociety and director of Brookfield Zoo. In serious danger of extinction, ape populations in Africa and Asia are rapidly decreasing because of habitat destruction from logging, mining, forest fires, hunting for bushmeat, and the illegal pet trade. These issues are of a complex nature, as people must develop...

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(Date:4/17/2014)... international research team led by Cesar A. Arias, M.D., ... at Houston (UTHealth) has identified a new superbug that ... report appeared in the April 17 issue of ... new superbug is part of a class of highly-resistant ... MRSA, which is a major cause of hospital and ...
(Date:4/17/2014)... is less than 40 years away from a food ... governments, according to a top scientist at the U.S. ... human history, food production will be limited on a ... energy," said Dr. Fred Davies, senior science advisor for ... become as politically destabilizing by 2050 as energy issues ...
(Date:4/17/2014)... its status as the leading weapon against the deadly ... with new research indicating it simply needs to be ... of the cheap anti-malarial drug chloroquine in treating and ... more than half a million people each year around ... developed resistance to chloroquine, but research carried out at ...
(Date:4/16/2014)... SAN ANTONIO, Texas (April 16, 2014) A team that ... of Texas Health Science Center at San Antonio, Johns Hopkins ... protein that helps a common fungus to infect the body. ... infections, diaper rashes and oral thrush, and is the most ...
(Date:4/15/2014)... Scientists have solved a decades-old medical mystery and in the ... fungal infections, which kill about 1.5 million people a year. The ... an antifungal drug that has been in use for more than ... human cells as it is to the microbes it attacks. , ...
Breaking Medicine News(10 mins):Health News:New MRSA superbug emerges in Brazil 2Health News:Food shortages could be most critical world issue by mid-century 2Health News:Scientists find new way to fight malaria drug resistance 2Health News:Potent, puzzling and (now less) toxic: Team discovers how antifungal drug works 2Health News:Potent, puzzling and (now less) toxic: Team discovers how antifungal drug works 3
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