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Tag: "starting" at biology news

UK sperm donor crisis

... sperm quality and, hence, good success rates, the starting sample needs to be substantially better than the WHO criteria for sperm quality. Reducing these criteria may also reduce success rates, which is not appropriate, as this will not only compound the problem but also disappoint patients. Testing two sam...

What can change in the brain? Electrical synapses, research shows

...lamic reticular nucleus' role as a sort of switch, starting or stopping the flow of sensory stimuli to the cortex, may implicate it as a major player in the regulation of sleep and wakefulness, the researchers said. The pairs' work sheds important light on electrical synapses, which Connors' group discovered...

Seal rookeries could provide a reliable food source for endangered California condors, study finds

... food source. "After the cattle were gone, condors starting getting rarer and hence more valuable as collector's items," Chamberlain says. "So people started shooting them for their feathers and stealing the eggs. That pushed them right to the brink of extinction until they hardly had any food left." By the ...

In SAD patients, autumn antidepressants can prevent winter depression

...r patients with seasonal affective disorder (SAD), starting treatment with an antidepressant medication during... SAD can actually be prevented in some patients by starting antidepressants early in the season, before the development of symptoms," comments Norman E. Rosenth...

HIV-infected adults in Botswana respond positively to ARV therapy public treatment program

... developed world. "This data confirms what we are starting to see throughout the developing world. Patients will do fine regardless of social and economic status, provided the necessary infrastructure and funding are in place," said Richard Marlink, M.D., senior author of the article and professor in the Dep...

New Therapeutic Target Identified In Inherited Brain Tumor Disorder

... developed world. "This data confirms what we are starting to see throughout the developing world. Patients will do fine regardless of social and economic status, provided the necessary infrastructure and funding are in place," said Richard Marlink, M.D., senior author of the article and professor in the Dep...

Largest computational biology simulation mimics life’s most essential nanomachine

... developed world. "This data confirms what we are starting to see throughout the developing world. Patients will do fine regardless of social and economic status, provided the necessary infrastructure and funding are in place," said Richard Marlink, M.D., senior author of the article and professor in the Dep...

New technique puts brain-imaging research on its head

...profiles, including rotations. "This method is a starting point that we hope will take the guesswork out of brain matter deformation analysis," Bayly said. "We can now quantify brain deformation from these very low, mild accelerations with MRI. We are working with Washington University School of Medicine f...

Carnegie Mellon U. transforms DNA microarrays with standard Internet communications tool

...ties, he noted. "You can compare a group of cells starting out in an experiment like a group of marathoners at the starting line. Over time, some marathoners will be far ahead on the track, while others will fall back." Afte...

Travelers can avoid jet lag by resetting their body clocks

...each person was given a baseline phase assessment, starting seven hours before and ending three hours after their beginning bedtime. They then slept in the lab and were awakened at their scheduled wake time. The participants continued on this sleep schedule through day 10 of the study. Days 11 through 13 m...

Poison + water = hydrogen. New microbial genome shows how

...aking clean fuels, this microbe makes an excellent starting point." In sequencing the microbe's genome, Eisen and his collaborators discovered why C. hydrogenoformans grows more rapidly on carbon monoxide than other species: The bug boasts at least five different forms of a protein machine, dubbed carbon ...

Whole-genome study at Johns Hopkins reveals a new gene associated with abnormal heart rhythm

...he researchers took the unconventional approach of starting from scratch and not looking at genes already known or suspected to be involved in heart rhythm. "Studying individual genes is not going to open new areas of research," says Chakravarti. "Using a whole-genome approach allows us to find new targets ...

Infants can organise visual information at just four months

...arran argues, is essential to providing a proper starting point for the new research. "In many atypical disorders, people look at what's happening in adults and assume that the same patterns of performance would be observed in children", says Dr Farran. "But often there are quite different patterns. In cogn...

Sequencing our seas

.... "By approaching ecology through genomics, we are starting to get a truly paradigm-shifting view of all life on the planet." A better understanding of these microbial communities and how their genes allow them to interact with the environment underpins the larger study of biology. "The open ocean is Earth's...

Living taste cells produced outside the body

... researchers utilized a novel approach. Instead of starting with mature taste cells, they obtained basal cells from rat taste buds and placed these cells in a tissue culture system containing nutrients and growth factors. In this environment, the basal cells divided and differentiated into functional taste ce...

Wyoming cloud seeding experiment begins this month

.... "By approaching ecology through genomics, we are starting to get a truly paradigm-shifting view of all life on the planet." A better understanding of these microbial communities and how their genes allow them to interact with the environment underpins the larger study of biology. "The open ocean is Earth's...

Vaccine provides 100 percent protection against avian flu virus in animal study

.... "By approaching ecology through genomics, we are starting to get a truly paradigm-shifting view of all life on the planet." A better understanding of these microbial communities and how their genes allow them to interact with the environment underpins the larger study of biology. "The open ocean is Earth's...

UF scientists reveal ancient origin of vertebrate skeleton

...vertebrates branched into different paths from the starting point, like the two ascending lines in the letter "V." "The lamprey is like the great-, great-, great-aunt descended from the earliest backboned animal," said Michael Miyamoto, Ph.D., a professor and associate chairman of UF's zoology department. "O...

Sweetgum tree could help lessen shortage of bird flu drug

... contain significant amounts of shikimic acid, the starting material used to produce the main antiviral agent in a much-heralded drug for fighting bird flu. Their findings, which could help increase the global supply of the drug, were described today at the 231st national meeting of the American Chemical Soci...

Genes involved in cell growth and cell division identified

...egulators. This set of genes provides an excellent starting point for future studies concentrating on the interactions between genes involved in cell growth. ...

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