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Tag: "activities" at biology news

Picking apart how neurons learn

...ements with head movements, allowing us to perform activities such as reading in a moving automobile. "We've long known that LTD underlies responses like the vestibulo-ocular reflex. This study gets at the heart of how LTD occurs, specifically how PICK1 controls the Purkinje cell's response to the signaling mo...

Marine mammals are on the frontline of failing ocean health

...tion (NOAA). "There is mounting evidence that our activities on land are taking a toll on the health of the oceans, and in turn our own well-being." "Wildlife can serve as a source of infection, as we have seen with the avian bird flu, but they can also be sentinels of pathogen pollution. They are often the ...

Study finds drug may cut down involuntary movements

...mpaired by chorea, however, tetrabenazine can help activities of daily living, and improve functional capacity," Shannon said. "If the drug is approved, physicians will need to work carefully with patients and caregivers to find the appropriate dose. Side effects were seen in about 25% of subjects in the st...

Bringing the zoos to the zebras

...ommunities in northern Kenya to gather data on the activities of zebras relative to livestock. Workshops with co... breeding and research programs to integrate these activities with conservation efforts in the field. WildCare Institute has become a world leader in this movemen...

Protecting endangered species helps reduce poverty

...examples show that, in China, illegal and damaging activities in forested panda reserves declined when communities gained alternative sources of income, such as farming and animal husbandries supported by WWF. In Namibia, the creation of conservancies, where communities are jointly managing their wildlife resou...

Clock molecule's sensitivity to lithium sheds light on bipolar disorder

...feeding behavior is on a daily cycle, and hormonal activities that regulate this are circadian," says senior author Mitch Lazar, MD, PhD, Director of the Institute for Diabetes, Obesity, and Metabolism at Penn. "Many studies, including those here at Penn, suggest a relationship between the human circadian clock...

Rhinos clinging to survival in the heart of Borneo, despite poaching

...ich will organize rhino protection units and other activities to deter poaching. "The results from the survey of Borneo's rhinos are crucial additions to our scientific understanding of the species," said Dr. Christy Williams, of WWF's Asian rhino program. "We believe this population may be viable and could r...

Alternatives to the use of nitrate as a fertiliser

...pea and glutamine in spinach). With respect to the activities of the GS (glutamine synthetase) and GDH (glutamate dehydrogenase) enzymes, responsible for the assimilation of ammonium, this substance is not modified in moderate concentrations in the pea but it is so in spinach. Regarding the main metabolic modif...

Report finds cruise industry is protecting the precious places it visits

...Ministry of Tourism, provides support to community activities that promote heritage tourism products and services. Atlantis Adventures operates electric submarine tours in 13 destinations, including cruise destinations throughout the Caribbean and Hawaii, offering a non-invasive way to explore marine ecosyste...

Leave it to salmon to leave no stone unturned

...Scientists have long known of the habitat-changing activities such as dam building by beavers, but much of ecolo... formulate when the abundance of animals and their activities ?be they spawning salmon or some other kind of animal ?make them impossible to ignore as ecosystem e...

Heparin prepared synthetically could replace animal-derived drug

...hese molecules, researchers study their biological activities to establish a structure-activity relationship that may reveal lead compounds for new drug development. Researchers at MIT first prepared a synthetic heparin, but, in amounts of less than 1 microgram, it was insufficient to treat humans, says Linhar...

Ocean acidification threatens cold-water coral ecosystems

...in Ecology and the Environment suggests that human activities could be threatening cold water reefs in another way. Lead researcher John Guinotte, a marine biogeographer at Marine Conservation Biology Institute (Bellevue, WA) and colleagues say that increasing amounts of atmospheric carbon dioxide (CO2), drive...

Novel connection found between biological clock and cancer

... that play such a sweeping role in the rhythms and activities of life. "The notion that the clock regulates DNA-damage input and that mutation can affect the clock as well as the cell cycle is novel," says Jay Dunlap, professor and chair of genetics at DMS. "It suggests a fundamental connection among circadian...

Tramiprosate (Alzhemed? preclinical results published in Neurobiology of Aging

...rs a person's cognitive and motor functions, their activities of daily living, alters the behaviour and gradually destroys the brain. AD is the most common cause of dementia in our aging population. Almost 5 million individuals in the United States alone currently suffer from the condition. The U.S. Alzheimer'...

Antarctic Treaty Meeting moves to protect frozen continent from non-native species

...de development of a code of conduct for land-based activities - a set of minimum standards that all visitors, including tourists and scientists, would have to follow. Scientists called for more research into the issue. Dr Shears said that scientists need to identify which areas of Antarctica are most vulnerable...

Creating a window on 'oceans in motion'

...ly infinite, the 20th century showed us that human activities can transform ocean ecosystems on a global scale and the 21st century, so far, leaves little doubt that problems will compound as climate change occurs," says Dr. O'Dor, who is also Senior Scientist for the Census of Marine Life. "We hope that toge...

Many cleaners, air fresheners may pose health risks when used indoors

...son would be exposed to from all other sources and activities during the year. The take-home message from these studies, according to Nazaroff, is that everyone ?but especially cleaning professionals ?should be cautious about overuse of products with high levels of ethylene-based glycol ethers and terpenes. ...

First surveys of Tanzanian mountains reveal 160+ animal species, including new & endemic

...roader Eastern Arc Mountain range from destructive activities underway such as clear-cutting for agriculture, logging and poaching. "The wealth of life that's supported by the Rubehos is typical of Tanzania's Eastern Arc Mountain range," Dr. Neil Burgess, co-author of the article and African conservation scien...

Virtual realities against pain

...o the video helmet) and a loss of awareness of the activities of the medical practitioner, as well as a loss of control, leading to an increase in anxiety and pain; other patients see it as positive that they cannot see and perceive what the medical practitioner is doing. We can conclude that ADTs are very u...

Brazil creates buffer zone around coral reefs off Atlantic coast

...ed. Under the government declaration, oil and gas activities are prohibited in 75 percent of the buffer zone, and approval for such development in the other 25 percent would require detailed studies showing no adverse impact. ...

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