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Tag: "rest" at biology news

Tropical forest CO2 emissions tied to nutrient increases

... to fossil-fuel burning, the researchers said. The rest is predominantly due to land-use changes like deforestation. The new study, which took place in 2004 and 2005 in Costa Rica's Golfo Dulce Forest Reserve, included a series of 25 meter-square plots that were fertilized with phosphorus, nitrogen, or a...

Think fast! Rice undergrad unlocks nerve speed secret

...d, expel waste and export chemical products to the rest of the body. Many studies suggest that a group of proteins called SNAREs act like the cell's loading dock managers, deciding when to open the door to release shipments of chemical freight. SNAREs form a docking bay for cartons of chemicals encased ...

Vampire bats recognise their prey's breathing

...f whether the individual was recorded breathing at rest or breathing while under physical strain. The human participants were also able to recognise some clips, but they were unable to recognise the clips of breathing recorded under physical strain. ...

Pathway toward gene silencing described in plants

...by looking at a Pol IVa mutant and noting that the rest of the proteins didn't localize properly. In the RNA-dependent RNA polymerase 2 (RDR2) mutant, Pol IVa is unaffected, but the function of all the other proteins downstream is lost, inferring that it came into the act second. The picture that emerge...

WWF captures first-ever photo of wild rhino on Borneo

...erts to fear that rhinos may now be extinct on the rest of the island. The main threats to the last rhinos in Sabah are poaching ?its horn and virtually all of its body parts are valuable on the black market ?and loss of its forested habitat due to conversion of the land to other uses. WWF is working wi...

Researcher gives hard thoughts on soft inheritance

...s 'remembered' in the cell divisions that make the rest of the organism, " Richards says. "But this is not from one generation to another. No one has shown that yet. "To get to the issue of the more extreme variations of soft inheritance, it has to be determined whether the environment can ind...

Hope I die before I get old?

...ing sick. What the sick learn from being sick, the rest of us come to over time." The new study, she explains, sprang from a desire to see whether the experience that comes with advancing age affects attitudes and predictions about aging. The study was done using an online survey with six questions, ask...

Ring-like formations in drying DNA drops could affect hybridization studies

...ntrated in a narrow ring with almost no DNA in the rest of the stain, these effects should be accounted for in the design of arrays in which DNA droplets are sequentially deposited onto a glass surface for hybridization studies, the researchers report. "Without optimization of the wetting conditions, it ...

Massive duplication of genes may solve Darwin's 'abominable mystery' about flowering plants

...giosperms--those whose ancestors diverged from the rest early in the lineage--with more recently derived angiosperm species, as well as with plant species outside the angiosperms. They took the opportunity to examine the genomes of a number of plant species for which only a partial DNA sequence has been ...

Pollutant haze heats the Arctic

...warming very quickly, especially compared with the rest of the world, due to the greenhouse effect caused by carbon dioxide from factories and cars," Garrett says. "Now we are finding there is another way pollution can warm up the Arctic. Particulate pollution from factories and cars can be transported ...

New strategy developed to combat West Nile Virus

...rida, and they hope to expand their studies to the rest of the nation. Results of the research have been published by the Centers for Disease Control. Many early hydrologic models predicting the transmission of West Nile Virus and other mosquito-borne diseases may have been a bit too simplistic, relying...

MIT engineers probe spiders' polymer art

...n solution consists of 30-40 percent polymers; the rest is water. The spider's silk-producing glands are capable of synthesizing large fibrous proteins and processing those proteins into an insoluble fiber. "The amazing thing nature has found is how to spin a material out of an aqueous solution and prod...

Solved: The mystery of flesh-eating bacteria's relentless attack

...s roughly 30 percent of its victims and leaves the rest disfigured. Antibiotics and surgical interventions, the known treatments, often fail. Necrotizing fasciitis is a serious but rare infection of the skin and the tissues beneath it. The work began two years ago, when Hanski developed a mouse model fo...

Increase in carbon dioxide emissions accelerating

...and-use changes remain in the atmosphere, with the rest being absorbed by the land and oceans. "When natural variability is smoothed out, 45 per cent of emissions have remained in the atmosphere each year over the past 50 years," he says. "A danger is that the land and oceans might take up less carbon ...

Trotting with emus to walk with dinosaurs

...g over feet all the time, said Breithaupt. The rest of the mystery was solved by observing what else emus do as they walk. "Often they are looking around as they walk," said Breithaupt of the crossed foot tracks. "Sometimes they stop in mid-stride and look around." Walking theropods appear to have...

Complexity constrains evolution of human brain genes

...ed more slowly than genes expressed throughout the rest of the organism. The authors attribute the slowdown to mounting complexity of interactions within the brain. "We know that proteins with more interacting partners evolve more slowly," Wu said. "Mutations that disrupt existing interactions aren't t...

Mass vaccination unnecessary in the event of a large bioterrorist US smallpox attack

...eillance and containment were put into practice. I rest easier now that we've done this study," Longini said. "The process was kind of like unveiling the enemy to the point where we really understood it. This research has helped us demystify the threat a bit." Although smallpox has been eliminated as a ...

Brain regions do not communicate efficiently in adults with autism

...ral connectivity between the frontal lobes and the rest of autistic brain showed up on the alpha wave band. These findings support several other studies using functional magnetic resonance imaging and positron emission tomography, both of which gauge brain activity by measuring blood flow. Post-mortem s...

Research holds promise for herpes vaccine

..., creating an "attenuated," or weakened virus. The rest of the herpes simplex virus' genetic code would remain intact. Measles, mumps, rubella, polio and yellow fever vaccines are all made from attenuated viruses. Research in recent decades has focused on subunit vaccines, which are made from one piece ...

Queen bee promiscuity boosts hive health

... provides all the sperm that a queen needs for the rest of her life, queen honeybees go out on mating flights and obtain sperm from a dozen or more males," said lead author Thomas Seeley, Cornell professor of biology and chair of the Department of Neurobiology and Behavior. Seeley and David Tarpy of Nor...

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