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Tag: "drift" at biology news

Study warns deep-sea mining may pose serious threat to fragile marine ecosystems

...Depending on ocean currents, these nutrients could drift widely, disrupting the food chain and potentially damaging ecosystems that lie within other countries?economic zones or in international waters. This poses additional problems, because while a state has the right to exploit its own resources, interna...

Remote sheep population resists genetic drift

...ime. "What is amazing is that models of genetic drift predict the genetic diversity of these animals sho...he craggy, windswept island have prevented genetic drift due to the premium advantage the more genetically diverse mouflon on the island hold over their less...

Scientists map air pollution using corn grown in US fields

...rom California and other western coastal states to drift east, but they found that the Rocky Mountains appeared to provide a barrier for the movement of carbon dioxide from fossil fuels. Air in the Mountain West, including Colorado, Idaho and New Mexico, was the cleanest, with about 370 parts per m...

New system could drastically reduce herbicide use

...ddition to cutting herbicide use, chemicals do not drift off-target when placed directly on the plants. The original inspiration for this robot came several years ago, when Tian and two graduate students were working on remote sensing systems for a CFAR (Council on Food and Agricultural Research) projec...

Climate experts search for answers in the oceans

... Phytoplankton, microscopic marine plants that drift on or near the surface of the sea, absorb atmospheric carbon dioxide through photosynthesis and convert it into organic carbon. This process is known as primary production. While individually microscopic, phytoplankton chlorophyll collectively tints ...

Flu shot effective against drifted influenza, nasal spray vaccine less so

... in one study conducted in children during a major drift year. However, FluMist had not previously been studied head-to-head against the shot in adults with laboratory confirmation. The killed-virus flu shot is usually billed as 70 to 90 percent effective against circulating strains that are well matched...

Ocean temperature predicts spread of marine species

...ally important species, reproduces via larvae that drift far along ocean currents before returning to join ...tly, larvae in cold waters develop more slowly and drift further before beginning their next development stage because colder temperatures cause sluggish met...

Vital ocean prey play active role in environment

...derside of sea ice for food, and as they grow they drift with pack ice. After they metamorphose in late winter and early spring, the juveniles move with the currents back to inshore waters. In summer, the juveniles are found inshore of the adults. The life cycle thus keeps krill in younger stages separate ...

Ernst Mayr's theory illustrated in genetic epidemiology studies

...o an interaction of natural selection with genetic drift that could cause genetic revolution ?new direction... interaction of selection and what we call genetic drift could cause what he called a genetic revolution, a rather radical adaptive change that would be unli...

Picky female frogs drive evolution of new species in less than 8,000 years

...een long-isolated populations, Moritz said. Random drift between isolated populations can produce small var...ions arise because of natural selection or genetic drift or mutation or some combination of those three, and reproductive isolation is just some glorious acc...

Virulizin granted orphan drug status in Europe

...k dolphins and Indo-Pacific bottlenose dolphins in drift and bottom-set gillnets on the south coast of Zanzibar (Tanzania) * Harbor porpoises in coastal gillnets in the Black Sea * Spinner dolphins and Fraser's dolphins in large-mesh driftnets and purse seines in the Philippines * Atlantic hump...

Novel targets found for the development of drugs to complement, or replace, statins

...k dolphins and Indo-Pacific bottlenose dolphins in drift and bottom-set gillnets on the south coast of Zanzibar (Tanzania) * Harbor porpoises in coastal gillnets in the Black Sea * Spinner dolphins and Fraser's dolphins in large-mesh driftnets and purse seines in the Philippines * Atlantic hump...

Canada's first embryonic stem cell lines

...k dolphins and Indo-Pacific bottlenose dolphins in drift and bottom-set gillnets on the south coast of Zanzibar (Tanzania) * Harbor porpoises in coastal gillnets in the Black Sea * Spinner dolphins and Fraser's dolphins in large-mesh driftnets and purse seines in the Philippines * Atlantic hump...

Leading scientists rank endangered dolphins, porpoises most in need of immediate action

...k dolphins and Indo-Pacific bottlenose dolphins in drift and bottom-set gillnets on the south coast of Zanzibar (Tanzania) * Harbor porpoises in coastal gillnets in the Black Sea * Spinner dolphins and Fraser's dolphins in large-mesh driftnets and purse seines in the Philippines * Atlantic hump...

Plankton can run, but can't hide from basking sharks

...harks at a set time, float to the surface and then drift with the currents like a "electronic messages in bottles", before being washed up on beaches and found by the public. Sims found that while the sharks in deep waters exhibited normal diving behaviour, tracking the zooplankton Calanus up to the surfa...

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(Date:4/17/2014)... inhibits RSV infection , Respiratory syncytial virus ... tract infections, generating life-threating illness in very young ... are limited. RSV enters host cells through the ... fusogenic bundle. Small interfering peptides that prevent bundle ... peptides are highly susceptible to degradation. In this ...
(Date:4/17/2014)... Gauthier and Professor Luca Razzari of the nergie ... large grants from the John R. Evans Leaders ... for the acquisition of state-of-the-art biotech and nanophotonics ... grants from the Ministre de l,Enseignement suprieur, de ... Technologie (MESRST). These new laboratories will help us ...
(Date:4/17/2014)... produce hydrogen sulfide in order to properly multiply and ... the Center for Craniofacial Molecular Biology at the Herman ... Shi, principal investigator on the project, said the presence ... flow of calcium ions. The essential ions activate a ... the creation of new bone tissue, and keeps the ...
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(Date:4/17/2014)... of chronic inflammation in non-cancerous prostate tissue may have ... than those with no inflammation, according to results of ... Hopkins Kimmel Cancer Center. , The link between persistent ... so-called high-grade prostate cancer those with a Gleason ... of the most aggressive and rapidly growing prostate cancers. ...
(Date:4/17/2014)... targets that could be used to provide relief ... London made the discovery when researching how pain ... body. , Dr Marzia Malcangio said: "We have ... and our findings could help chemotherapy patients who ... side effect of some chemotherapy drugs (such as ...
(Date:4/17/2014)... in PLOS Pathogens , children who live in ... mount an immune response to infection with malaria parasites ... high fever and illness and partially control the growth ... help researchers develop future interventions that prevent or mitigate ... year, approximately 200 million cases of malaria occur worldwide, ...
(Date:4/17/2014)... School of Medicine report that older women, plucky individuals ... are more likely to be compassionate toward strangers than ... this month,s issue of the International Journal of ... with better health and well-being as we age, the ... outcomes of individuals whose deficits in compassion put them ...
(Date:4/17/2014)... published in the April issue of Immunity , ... for Medical Research, says it,s time to take a ... treating sepsis, which kills millions worldwide every year, ... molecules released into the bloodstream to fight an injury ... necessary for maintaining good health without inflammation, wounds ...
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