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Tag: "pose" at biology news

'Biobullets' fight harmful mussels

...cate zebra mussels, such as chlorine, "biobullets" pose little or no threat to other marine animals, the researchers say, because they rapidly degrade and disperse in water. Since their accidental introduction from Eastern Europe into the Great Lakes in the late 1980s, zebra mussels have become notorious...

Microscopic passengers to hitch ride on space shuttle

...at provides three levels of containment, they will pose no threat of exposure to the astronauts. A total of 12 GAPs will fly on the upcoming mission. "Spaceflight has been shown to induce key changes in both human and microbial cells that are directly relevant to infectious disease, including changes i...

Cornell researchers find serious fish virus in Northeast for first time

...medicine, noting that the virus does not currently pose as great a threat in North America. "Right now, it's a matter of trying to collect as much information and as fast as possible so we can to notify the DEC so they can make management decisions." Cornell's role is to diagnose and research the diseas...

Discovery of agile molecular motors could aid in treating motor neuron diseases

...nd where other cellular components would otherwise pose an impediment to motion. Defects in myosin V function also result in neurological defects. Most of these molecular motors are associated with specific diseases or developmental defects, so understanding the puzzling aspects of their behavior in det...

Harmful Algal Blooms monitored from space in Chile

...om the blooms accumulate in their body tissues and pose serious health risks for humans when consumed. For instance, in 2002 an HAB outbreak in Chile was responsible for 73 paralytic poisonings and two deaths. In 2004, more than 1500 cases of poisonings occurred resulting in an estimated 30 million Euro y...

Stormy days ahead for coral reefs

...e severe storms, by themselves, would probably not pose a large threat to reefs. "Corals are adapted to life in stormy seas. Even the vulnerable species are quite stable when they're young," says Dr Connolly. "They also tend to grow and mature quickly, so the species can recover before the next big storm...

Coral reefs are increasingly vulnerable to angry oceans

...e severe storms, by themselves, would probably not pose a large threat to reefs. "Corals are adapted to life in stormy seas. Even the vulnerable species are quite stable when they're young," said Connolly. "They also tend to grow and mature quickly, so the species can recover before the next big storm ...

Transmission of antibiotic-resistant bacteria linked to previous intensive care unit room occupants

...eria "suggests that levels of contamination do not pose a high risk for transmission or that current cleaning methods generally reduce contamination below levels required for transmission," the authors write. "Based on our findings, the prevention of one case of acquisition due to room contamination coul...

BC catalyst discovery promises faster, cheaper drug production

...d. Some drugs comprise chiral molecules, which can pose a problem: often, one hand, or enantiomer, of the drug molecule can be beneficial to a patient's health, while the other may be harmful. Because of this, it is important for anyone who wants to prepare drugs, especially in large quantities, to be a...

Fight weeds with plant pathogens

...ops of approximately $267 billion/year. Weeds also pose serious ecological problems. Invasive weeds are capable of altering ecosystem processes and displacing native plant and animal species. In addition, weeds serve as reservoirs for plant pathogens that impact crops. According to Rosskopf, there are ...

St. Jude announces breakthrough in eye cancer treatment

...g. However, children with bilateral retinoblastoma pose a significant challenge to physicians, who are reluctant to remove both eyes from young children, said Matthew Wilson, M.D., a surgeon in the St. Jude ophthalmology division and a co-author of the paper. In those cases, the physicians institute aggre...

Cells selectively absorb short nanotubes

...ers readily enter into human lung cells and so may pose an increased risk to health, according to scientists at the National Institute of Standards and Technology (NIST). The results of their laboratory studies appear in an upcoming issue of Advanced Materials.* Eyed for uses ranging from electronic di...

Pharmaceutical compounds found in nation's fresh water

... While such low concentrations do not appear to pose a threat to human health, this research may help frame policy on the disposal of expired or unused compounds. ...

Cellulose nanocrystal research could lead to new vaccines, computer inks

...main focus is precision. Nanocrystals are tiny and pose many difficulties to the people using them. A typical remedy involves converting the nanocrystals to a powder. This has risks as well, as the powder can be a serious health hazard if inhaled. The ink jet printing allows for a safe method of depositio...

Will the plague pathogen become resistant to antibiotics?

... type of strain spreads or emerges again, it would pose a serious health problem" says co-author Elisabeth Carniel, head of the Yersinia Research Unit at the Institut Pasteur in Paris. "The discovery that the multiresistance plasmid acquired by the plague bacillus is widespread in environmental bacteria r...

Warming oceans threaten Antarctic glaciers

...tists have identified four Antarctic glaciers that pose a threat to future sea levels using satellite observations, according to a study published in the journal Science. Experts from the University of Edinburgh and University College London determined the effect that Antarctica and Greenland were having...

NIAID DNA vaccine for H5N1 avian influenza enters human trial

... at newer strains of the H5N1 virus that currently pose a threat in Indonesia and represents an example of our ability to respond to shifting viruses with modern technology," says Dr. Nabel. The study will enroll 45 volunteers between the ages of 18 and 60. Fifteen will receive placebo injections and 3...

Arsenic in chicken feed may pose health risks to humans, C&EN reports

...An arsenic-based additive used in chicken feed may pose health risks to humans who eat meat from chickens that are raised on the feed, according to an article in the April 9 issue of Chemical & Engineering News, the weekly news magazine of the American Chemical Society. Roxarsone, the most common ar...

Hives ferment a yeasty brew, attract beetle pest

... While small hive beetles are common in Africa and pose little threat to African honeybee hives, it appears that domesticated European honeybees have a much harder time containing the beetles in their hives. European honeybees were bred to be docile and easy to work with, while African honeybees are noted...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...ol. However, they produce very loud noise that may pose a hazard to both participants and scanner operators. Acoustical researchers are devising various approaches to making the machines quieter. A UK team (including Deborah Hall, MRC Institute of Hearing Research, Nottingham, d.hall@ihr.mrc.ac.uk ) wi...

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