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Tag: "station" at biology news

Cellular message movement captured on video

...searchers showed that paxillin serves as a docking station for a variety of signaling and structural proteins, they have been limited to visualizing paxillin with dyes that stain cells rigidly attached to microscope slides. Those snapshots of fixed cells can’t reveal paxillin movement. “We can now see the...

'Personality-gene' makes songbirds curious

...r a receptor in the brain, which forms the docking station for the neurotransmitter dopamine. Birds with a specific variant of this dopamine receptor D4 gene show a stronger exploratory behaviour than individuals with other variants (Proceedings of the Royal Society London B, 2 May 2007). There is already...

Unique tomatoes tops in disease-fighting antioxidants

... at an Ohio State-affiliated agricultural research station in northwestern Ohio. Following harvest, both tomato varieties were immediately processed into canned tomato juice and concentrated. Italian seasoning was added for taste. The 12 adults participating in the study ate two spaghetti test meals ?one ...

New fMRI technology making brain tumor surgery safer

...C Radiology, which purchased the BrainLAB planning station hardware. Both physician practices are closely affiliated with The Neuroscience Institute, an international center of excellence located at University Hospital and UC. Neurosurgeons have never simply guessed at where critical areas of the brain be...

Huddling and a drop in metabolism allow penguins to survive the South Pole cold

...penguin colony of Pointe Géologie, near the French station of Dumont d'Urville, Adélie Land, Antarctica. Light durations for the colony site varied from two to 11.5 hours. At the mid-point of the pairing period, between April 22 and May 5, 2001, five pairs of emperor penguins were captured and had devices (...

Molecular mechanism provides intra-cellular traffic signal

... as the Golgi apparatus. "The Golgi is a central station in all cells, through which all intra-cellular traffic passes," Segev explained. Specific subunits of TRAPP previously identified by the UIC researchers were found to be the key to coordinated switching and traffic flow through the Golgi. They have...

Increase in carbon dioxide emissions accelerating

...the Australian Bureau of Meteorology's observation station in Cape Grim, showed growth rates of just over one part per million in the early 1980s, but in recent years carbon dioxide has increased at almost twice this rate. "The trend over recent years suggests the growth rate is accelerating, signifying that...

Striking the right balance between excitation and inhibition

...nal cord analyzed by the Goulding lab form a relay station receiving and interpreting sensory signals from the environment and then sending them to the brain. In doing so these neurons evaluate the strength of sensations. "An example of how the system works is illustrated by what happens when you cut your f...

Pollutant haze heats the Arctic

...onal Ocean and Atmospheric Administration research station measured concentrations of particulates, mostly sulfates from coal-burning power plants and smelters and from fossil fuels burned by automobiles and other sources in cities. The Arctic haze, noted by explorers more than 200 years ago, resembles tha...

Arctic expedition will investigate alien-like glacier

...e, where they will be flown to the Eureka research station via Twin Otter airplane. The team will then reach the glacier by helicopter and set up a small camp near the base of the glacier where they will study the spring and acquire numerous water, mineral and rock samples. ...

U of M study examines kidney stone prevention in astronauts

... astronauts spend in space and living in the space station is extended," said Manoj Monga, M.D., professor of urologic surgery and lead investigator. The study will be published in the July 2006 print issue of the Journal of Urology and is available online now. Kidney stones are mineral deposits in the kidn...

Biodiversity key to sustainable biofuel according to University of Minn. researcher's findings

...reek Natural History Area, near Cambridge, a field station operated by the university's College of Biological Sciences. "This is exciting because it shows that biodiversity can be used to produce a sustainable supply of biomass for biofuels," Tilman says. For more than 50 years, scientists have debated t...

Study fishes out new role for prostaglandins

..."If you are traveling and have to get to the train station at a particular time, if you are too slow, you are going to miss the train. If you don't get on that part of the trip, that disturbs the whole agenda." "Development synchronizes or orchestrates a myriad of events in the proper sequence (lots of trai...

Can dogs smell cancer?

... sitting or lying down directly in front of a test station containing a cancer patient sample, while ignoring control samples. Standard, humane methods of dog training employing food rewards and a clicker, as well as assessment of the dog's behavior by observers blinded to the identity of the cancer patient...

Common practices at petting zoos put visitors at risk

..., approximately 62% did not use the hand-sanitizer station after visiting the petting zoo. Both studies also noted that a sizeable percentage of petting zoo visitors were also engaging in a number of other risky behaviors. The most common risky behavior observed by the South Carolina researchers was visito...

Too much sugar not good for coral reefs

...s. "I set up a seawater system at the Smithsonian station in Bocas del Toro, Panama so that I could test individual components of runoff on live corals. I was very surprised to find that, rather than the usual suspects measured to determine water quality: nitrogen and phosphates, it was simple carbon compo...

Getting old? Slowing down? Blame inefficient mitochondria

...e the cell's equivalent of power stations. A power station burns fuel to build up steam pressure and uses that pressure to drive a turbine linked to a dynamo. This in turn generates electricity. In mitochondria, the fuel is oxidised and builds up a pressure of hydrogen ions (protons). These force through mol...

Envisat radar surveillance protects endangered prehistoric fish

... available daily, downlinked to a dedicated ground station located on Kerguelen Island. "Kergulen is a remote and inaccessible place, but it has the advantage of being at the centre of the area we want to survey," explained Philippe Schwab, Technical director of CLS. "New images are received in real time, ...

Birds and bats sow tropical seeds

... at UIC; Martin Ricker, director of the biological station in Los Tuxtlas, Veracruz and a former UIC student; and Rodolfo Dirzo, the Bing Professor in environment science at Stanford University. The group will work closely with UNAM, the Universidad Nacional Aut�noma de M�xico, which owns and runs the Verac...

Hybrid grass may prove to be valuable fuel source

...s can be quite invasive," she said. At a research station near Hornum, Denmark, giant Miscanthus has been grown for 22 years in Europe's longest-running experimental field. The crop has never been invasive and rhizome spread has been no more than 1.5 meters (4.92 feet), said Uffe Jorgensen, senior scientist...

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