Tag: "travel" at biology news
Herding with hockey sticks
... waving around on NHL ice this holiday season, but travel
to Banff National Park in Alberta, Canada, and you'll see plenty of them. The game? Keeping elk at a safe distance from their adoring fans. Researchers at the University of Alberta have found a way to keep elk in the park's townsite from clashing wit...
Latest census finds more American pika populations disappear as climate warms
... pika, often heard when human visitors approach or travel
on pika-occupied taluses. Some hikers are even lucky enough to catch a glimpse of them darting among the rocks or gathering alpine wildflowers and grasses for their winter food supply. American pikas may act as 'ecosystem engineers' at talus margins ...
JCI table of contents, 3 January 2005
...and indicate that highly proinflammatory monocytes travel
to the intestine in response to injury but upon arrival they acquire profound inflammatory anergy, promoting the absence of inflammation despite the close proximity of foreign pathogens. TITLE: Human intestinal macrophages display profound infl...
Research identifies promising route for treating age-related hearing loss
...nse to sound waves, triggering nerve impulses that travel
to the auditory region of the brain. Normally, humans are born with a complement of about 50,000 hair cells. But since the cells do not regenerate, the steady rate of hair-cell loss that can accompany aging produces significant hearing loss in about ...
First x-ray laser gets funding
...ector to produce an intense electron beam ready to travel
at nearly the speed of light down the last kilometer of SLAC's 3-kilometer linac. The LCLS will not interfere with operation of the B-factory, SLAC's primary high-energy physics experiment. Project engineering and design will continue this year with ...
Scientists find common roots for thousands of plant compounds
...emain in the compartment where they are made, some travel
through the cell to another compartment, where the...transportation, molecules also rely on vehicles to travel
around the interior of a cell. Exactly how the precursor molecules in this system travel
from one co...
Media fellowship on autism available at Vanderbilt University
...eals; the journalist's employer is responsible for travel
expenses and salary during the fellowship. The application deadline is Feb. 25, 2005. For more information and to download an application form, go to www.vanderbilt.edu/news/autism ....
Pro-inflammatory enzyme linked to diabetes; Immune system's macrophages may be key to treatment
...ells (and their macrophages) are systemic able to travel
throughout the body they were identified by the researchers as the best target for diabetes treatments. The mice lacking Ikk- only in the liver retained their insulin sensitivity in the liver but became insulin resistant in fat and muscle. Other ti...
AAAS announces winners of the 2005 Fellowships for Reporters from Africa
...other topics. The winners will receive support to travel
to Washington, DC, from 17 February until 21 Febru...g/language . Airfare, hotel costs, meals and other travel
expenses will be fully covered by the AAAS fellowships, sponsored by GAVI, PATH and The Vaccine Fund...
Flocking together: Study shows how animal groups find their way
...flocking birds, schooling fish or running herds to travel
in unison without any recognized leaders or signaling system. The finding, published in the Feb. 3 issue of Nature, helps settle age-old questions about how animals coordinate their actions. Previously, scientists had looked for subtle signals or oth...
Self-assembled nano-sized probes allow Penn researchers to see tumors through flesh and skin
...s. When exposed to near-infrared light, which can travel
through tissue, the fluorophores within the polymersome respond with a bright near-infrared signal that can then be detected. "The fluorophores function like reflectors stuck in the spokes of a bicycle tire," Therien said. "When this structure abso...
UCLA scientists transform HIV into cancer-seeking missile
...k of a good carrier for therapeutic genes that can travel
through the blood and aim itself at a precise location, thereby minimizing harmful side effects," explained Irvin S.Y. Chen, Ph.D., director of the UCLA AIDS Institute. "Our approach proves that it is possible to develop an effective carrier and rep...
Genetic switches help fish adjust to fresh and salty water
... swim through different waters. Not many fish can travel
between saltwater and freshwater. To maintain the right internal salt level, their gills must pump up salt from freshwater but excrete it in the ocean. "Fish that can survive both environments are able to resist many kinds of stress," said Dietmar Ku...
Anita Roberts to deliver Excellence in Science lecture
... of Eli Lilly and Company. The award also includes travel
expenses, complimentary registration at the meeting, and a plaque in recognition of the award....
Open microfluidic and nanofluidic systems
...er applications include customized chips for space travel
in order to monitor microbes inside spacecraft or to detect life on other planets. An obvious prerequisite for such miniaturized labs are appropriate microcompartments for the confinement of very small amounts of liquids and chemical reagents. Like t...
Experiments provide proof of how traveling in groups protects insects
... and extend 10 miles or so in length. And they can travel
a mile or so a day. Why such groups of insects form has mystified humans for thousands of years. One firmly held belief was that God was punishing men and women for their sins. A more recent, scientific theory has been the "safety-in-numbers" idea --...
A more accurate screening test for prostate cancer?
...ole of cell motility -- cells' ability to move and travel
-- in helping cancers to metastasize. He became especially interested in thymosin 15, a protein that stimulates cell migration and promotes metastasis in prostate cancer. Unlike PSA, it is produced almost exclusively by cancer cells, and is detecta...
The secret lives of whales
... sperm whales feed in tropical regions while males travel
globally and feed near the poles. For example, of the roughly one million sperm whales killed by whalers in the Antarctic Ocean, only one was a female, says Payne. Ocean Alliance is testing its samples for 30 different pollutants. Some of these are ...
Technological revolutions in sensors, robotics, and telecommunications allow new views of ocean
...klavich of NOAA Fisheries and other scientists who travel
to the deep sea in submersibles recently found a n...e working with the ocean should have the chance to travel
to the bottom of the sea. Cindy Lee Van Dover, a deep sea ecologist and former Alvin pilot from ...
Internet viruses help ecologists control invasive species
... as invasion hubs if departing boaters and anglers travel
to large numbers of non-invaded destination lakes....cause most boaters and anglers leaving these lakes travel
to lakes that are still free from the spiny water flea. Earlier work by the pair found that another...
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