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Tag: "roads" at biology news

Study Links Ebola Outbreaks To Animal Carcasses

...ntial outbreaks often occur in remote areas, where roads are barely usable and communications limited," added Karesh. "Conservation organizations such as WCS are therefore critical to the early detection of the conditions that can lead to deadly health emergencies." ...

Breast-Cancer Risk Linked to Exposure to Traffic Emissions at Menarche, First Birth

...mation sources provided data on traffic volumes on roads in question for the years from 1960 to 2002 and tail-pipe emissions, including measurements from tunnels and tests on individual vehicles. A geographic model was used to reconstruct historic traffic PAHs, using measurements of benzo[a]pyrene, a known...

Road salt affects mitigation wetlands

... salt is not good for the environment, but salting roads is a huge safety issue in a part of the country that gets 10 to 12 feet of snow every winter." Silver's research does show a large decrease in non-biting midges in the designated runoff wetland. The effect on other species is not yet known. There wa...

Fox Chase study shows that weakened T-cell receptor signals change T-cell lineage

...y. As Robert Frost put it, Wiest pointed out: "Two roads diverged in a wood, and I-- I took the one less traveled by, And that has made all the difference." "Gamma-delta T cells represent the road less traveled," Wiest said. "However, the role of the TCR in determining lineage is controversial, particular...

Beneficial Beetles Battle Pesky Saltcedar

...her forms of life, saltcedar plays havoc with farm roads and fields. For example, when rivers and streams o...ls to form. These channels sometimes undercut farm roads and fields, causing them to collapse. What's more, river rafters or thirsty wildlife and livestock ...

Woods Hole Research Center plans controlled burn in Amazon rainforest

... Firebreaks are cleared along perimeter trails and roads in preparation for the event, and swept clear of debris immediately prior to igniting the fires, to contain the fire within the experimental parcel. In the first round of burning last year, the fire was quite low, creeping along the ground burning le...

Fresh water affected by salt from deicing roads

...ampshire are becoming saltier due to deicer use on roads during the winter. Not only are there more roads,... the problem involves reducing the creation of new roads and subsequent use of deicers. Despite being a major aquatic pollutant, road salt is not currently ...

Value of services performed by insects tops $57 billion in US

... do their beneficial work. "We know how to repair roads and other components of our physical infrastructure, but our biological infrastructure is vulnerable to degradation too," said Losey, an applied insect ecologist. "If we do not take care of it, it will break down and could seriously impact the econom...

Whiplash injuries ?are they caused by startle reflexes?

... a first collision ?like the unexpected one on the roads ?arises through being startled by the abrupt motion and loud sound of the impact. This new finding promises a new understanding of the causes of this common injury, leading to new ways of prevention and management. ...

Fire ant-attacking fly spreading rapidly in Texas

...searchers place traps around fire ant mounds along roads and analyze the flies they catch. They have found the introduced phorid flies attacking imported fire ants in more than 12 counties and 3.5 million acres in Central Texas and seven counties and 1.5 million acres in the Coastal Bend region of Texas....

UCSD researchers create roadmap to integrin activation

...a map, this study now enables us to see other back roads that lead to the destination," said Ginsberg. Talin is also critical for activation of related integrins, such as those on white blood cells. In these cells, activation of integrins is a critical step in the sticking and migration of white blood ce...

Road-crossing in chimpanzees: A risky business

...found that chimpanzees evaluate risk when crossing roads and draw on an evolutionarily old principle--share...erceived risk. Understanding how chimpanzees cross roads as a group would help shape our hypotheses about the emergence of hominoid social organization. P...

Living with water scarcity -- world must act now

...by pro-poor water technologies, and investments in roads and markets. Multiple use systems ?operated for domestic use, crop production, aquaculture, agroforestry and livestock ?can improve water productivity and reduce poverty. The Assessment finds that the greatest potential is found in those rainfed ...

How trees manage water in arid environments

...na does experience a monsoon every summer. Certain roads have yellow warning signs posted -- "Do Not Cross When Flooded." Though these signs may seem out of place in the middle of a desert, they have a serious purpose. In Arizona, as in other regions of the world such as India, residents must cope with a s...

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