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Tag: "four" at biology news

'Hidden-hero' microbes in soil, water may help naturally clean toxic sites

...lion gallons of contaminated water -- that's about four times the nation's daily water consumption -- and about 40 million cubic meters of contaminated soil. Kostka has a five-year, $1 million share of the total $15 million in U.S. DOE funding for the project, which includes research teams from FSU and...

Colour sensor breath test can detect lung cancer

... the presence of cancer in just under three out of four of those with lung cancer. The results were not affected by age, gender, or stage of disease. Other approaches to breath testing have been used, say the authors. This includes gas chromatography and mass spectrometry, which requires a great dea...

US conservation efforts bring more marine turtles to UK

... waters hatch in the Americas and can spend nearly four years travelling thousands of miles to British waters. Scientists do not know why some juvenile turtles make the journey to Northern Europe, but believe they may simply be driven by the North Atlantic current system. The eggs of Kemp’s ridley turt...

MIT's ocean model precisely mimics microbes' life cycles

...ompleted its 10-year virtual evolution -which took four to five days on a cluster of parallel computers-is a phytoplankton community with members that are characteristic of observed phytoplankton communities, including plants similar to prochlorococcus that are extremely abundant in the warm mid-latitude ...

Groundbreaking Canadian asthma study

...atients between the ages of 18-65 at 11 centers in four countries, and followed these patients for one year after treatment. Several years ago, Dr. John Miller began limited bronchial thermoplasty procedures in patients who were scheduled to have lung surgery. "We saw that this particular way of treati...

NIH neuroscience microarray consortium launches high-throughput genotyping services

...tific community." The Consortium is comprised of four nationally recognized centers located at Duke Univ... consortium that we have established over the past four years is a nation-wide technology outlet that dramatically accelerates the pace of neuroscience rese...

Does a peptide affect the heart's response to social isolation?

...ing with a female sibling (control conditions) for four weeks. They were treated with oxytocin or saline (control solution) daily for 14 days during the third and fourth week of the four-week isolation period. Electrocardiographic parameters (heart rate and heart rhythms) were recorded using the radio...

Genes and genius: Researchers confirm association between gene and intelligence

...this study, subjects took five verbal subtests and four performance subtests, but the genetic variations i...ariation might influence IQ scores between two and four points, depending on which variant a person carries," Dick explains. "We did that all up and down th...

Biologists call for better choice of model organisms in 'evo-devo'

... "There are upwards of 35 phyla of animals, and four of our six best models come from just one phylum. "However, that doesn’t mean that simply choosing new models to plug holes in the phylogenetic tree is the best option for further progress in evo-devo." Dr Jenner added: "The popular advice of ...

Major link in brain-obesity puzzle found

...in, the new paper shows that SH2B1 is expressed in four different forms in many tissues of the body, including fat cells known as adipose tissue, as well as the liver, heart, pancreas and muscle. Rui and his team also explored the role of SH2B1 in fat cells, finding that the knockout mice that lacked ...

Breathing easy: When it comes to oxygen, a bug's life is full of it

...ues, just as it does in humans. Hetz is one of four speakers at the upcoming symposium “Respiratory co... Schenectady, New York, will lead the symposium of four speakers. Why bugs don’t pant Bees consume large amounts of oxygen, and so it might be tempti...

Protein averts cell suicide but might contribute to cancer

...ties and to study, and it is similar to one of the four such enzymes found in humans. For this research, Fiala developed a new way to sequence very short lengths of DNA. "This allowed us to pin down exactly what mistakes Dpo4 makes," he says. The findings reveal why the enzyme makes mistakes. ...

Overfishing large sharks impacts entire marine ecosystem, shrinks shellfish supply

... million. The rays, which can grow to be more than four feet across, eat large quantities of bivalves, including bay scallops, oysters, soft-shell and hard clams, in the bays and estuaries they frequent during summer and migrate through during fall and spring. In the early 1980s when Peterson sampled b...

Human preference for other species could determine whether they survive

...rity of various species by studying photographs in four large-format photograph books about penguins. Deci... seem to be driven by a "cuteness" factor. The four books Stokes examined were published in the last decade and were aimed at the popular adult audience...

MIT device draws cells close -- but not too close -- together

... other maintains a gap of 80 micrometers, or about four cell widths. The assembly is geared so that switching between these two settings involves a movement of two millimeters, an amount controllable by the human hand. Hui selected 80 micrometers as the gap setting because at shorter distances, cells some...

Widely used hepatitis B drug spurs HIV drug resistance

...ind it in 61 percent of viral samples tested after four months of therapy, and 96 percent at six months. ...

Huddling and a drop in metabolism allow penguins to survive the South Pole cold

...eror penguins endure their incubation and fast for four dark and bitterly cold months each year. The tight huddling among these South Pole penguins is a key energy-saving mechanism that allows them to endure their extremely harsh conditions. A team of scientists that had already shown that emperor pengu...

Endangered shortnose sturgeon saved in Hudson River

...es of fish have been died out in North America and four have become extinct. The U.S. government currently protects 149 fish species and subspecies and a total of 1,311 species under the U.S. Endangered Species Act. "Endangered and threatened U.S. fish outnumber mammals, reptiles, birds, etcetera," said...

Microbes compete with animals for food by making it stink

...Foundation, Hay, two of his faculty colleagues and four Ph.D. students tested this notion with a field and lab study they began at the Skidaway Institute of Oceanography near Savannah, Ga., in summer 2002. They were prompted by an assertion made in a paper published in 1977 by ecologist Dan Janzen, who su...

Single molecule extends fat mice lives by reversing gene pathways associated with disease in obese

...an to diverge and remained separated by a three to four month span. At 114 weeks of age, 58 percent of the HC fed mice had died, compared to 42 percent of the HCR and SD groups. Presently, the team has found resveratrol to reduce the risk of death from the HC diet by 31 percent, to a point where it is no...

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