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Tag: "rush" at biology news

Man-made wetland's effectiveness similar to natural marsh

...e problem in the Gulf of Mexico. Each spring, the rush of chemicals that runs into lakes and streams in the Mississippi watershed ?an area encompassing about 40 percent of the United States ?ultimately turn more than 7,000 square miles of the Gulf of Mexico into a "dead zone," a condition known as hypoxi...

Studies reveal how plague disables immune system, and how to exploit the process to make a vaccine

... respond to a bacterial invasion. Their role is to rush to the infection site, engulf the bacteria, chew them up into smaller pieces and present those pieces to the T and B cells -- the "adaptive" immune system -- which enter the fray more slowly but bring powerful and very specific weapons targeted at th...

Discovery of T-cell 'traffic control' boosts new drug promise

...such as FTY720 controls S1P function and slows the rush of T cells to the transplantation site without blo... natural binding partners -- prompt the T cells to rush into lymph nodes. But S1P, they found, can act through its own G-coupled receptors to prevent chemok...

Scientists map one of biology's critical light-sensing structures

...to guide their development. It will likely spur a rush by scientists to capitalize on the new knowledge and may one day lead to such things as plants whose growth, flowering and death can be precisely manipulated. "We can now start changing how phytochromes work in a rational way to improve how plants r...

World faces challenge as life expectancies lengthen, scientist says

... it's necessary to look the implications before we rush in--at least so we can prepare ourselves. We need to confront the prospect of inequality head-on, instead of waiting 10 years and then saying, 'What a surprise!'"...

'Dead zone' summer killed billions of ocean state mussels

...peratures and a lack of circulation, this nutrient rush can cause algae blooms. When the algae dies, it sinks to the bottom, where it is consumed by bacteria ?along with dissolved oxygen. This is what happened in Narragansett Bay in the summer of 2001 and again in the summer of 2003. Mussels, however, ca...

Record air pollution above the Arctic

...y-Ålesund. Such values are usually measured during rush hour in cities. In addition, the Norwegian Institute for Air Research (NILU) found extremely high concentrations of ozone above ground. With more than 160 micrograms ozone per cubic metre, these values are the highest measured since the foundation of...

Gene chip technology shows potential for identifying life-threatening blood infection

...ethal spread, doctors who suspect sepsis typically rush to prescribe powerful antibiotics, even before laboratory tests can confirm the diagnosis. But this practice invariably leads to the inappropriate treatment of many patients who have life-threatening, uncontrollable inflammation without an underlying...

Tarantula venom and chili peppers target same pain sensor

... stream of charged sodium and calcium molecules to rush into the nerve cell. This generates an electrical ...t in neuron cell cultures, measuring the tell-tale rush of calcium ions when the venom peptides contacted the TRPV1 capsaicin receptor. They also showed tha...

Rapid response was crucial to containing the 1918 flu pandemic

...k mandated staggered shifts at factories to reduce rush hour commuter traffic. Seattle’s mayor ordered his constituents to wear face masks. The first study found a clear correlation between the number of interventions applied and the resulting peak death rate seen. Perhaps more importantly, both studies s...

DOE JGI sets 'gold standard' for metagenomic data analysis

...aluating metagenomes, particularly since this gold rush is not going away any time soon." ...

Brain inflammation may be friend, not foe, for Alzheimer's patients

...g the crash. The work suggests that doctors not rush in to turn off molecular events that scientists have widely considered to be detrimental in people with the disease. The findings could also renew efforts to develop a vaccine or other strategies against Alzheimer’s by engaging the body’s immune syst...

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