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Tag: "unique" at biology news

Invasion of the island bats

... prove the rule, anomalies easily explained by the unique circumstances of each case. Analysis of bat DNA published in Journal of Biogeography reveal that several neotropical species descended from ancestors that evolved in the West Indies, and this pattern is consistent with fossils found throughout th...

Survival of the rarest: Fruit flies shed light on the evolution of behavior

...ays to be rare—think of a one-of-a-kind diamond, a unique Picasso or the switch-hitter on a baseball team. Now, new research suggests that being rare has biological benefits. Professor Marla Sokolowski, a biologist at the University of Toronto Mississauga who in the 1980s discovered that a single gene affe...

'Short-circuit' found in ocean circulation

... Southern Ocean. The researchers made use of a unique signal - the spread of helium released naturally from the Earth’s interior at deep vents in the Pacific. The helium dissolves in the deep sea and a plume of this marked water travels down the coast of Chile. It is injected at depth into the Antarctic...

Researchers publish first marsupial genome sequence

...search Network. "The opossum genome occupies a unique position on the tree of life. This analysis fills ...logy and improve human health." Marsupials are unique among mammals because their young are born at an extremely early stage of development, attach to the...

From the deep -- Researchers find new species of sea anemone

...emones by a variety of traits, rather than any one unique attribute," Daly said. She and Gusmão named A. pearseae after Vicki Pearse, the naturalist who first collected the specimens during a cruise of the Monterey Bay Aquarium Research Institute's research vessel the Western Flyer. Pearse is a research ...

Iowa State scientists demonstrate first use of nanotechnology to enter plant cells

...payload," Trewyn said. Lin’s nanoparticle has a unique "capping" strategy that seals the chemical goods i...and release the cargo inside of animal cells. This unique feature provides total control for timing the delivery The team’s first attempt to use the porou...

Rare soft-shell turtle, nesting ground found in Cambodia

... March. “This incredible discovery means that a unique turtle can be saved from disappearing from our planet,?said David Emmett, a CI wildlife biologist. “We thought it might be almost gone, but found it in abundance in this one pristine stretch of the Mekong, making the area the world’s most important s...

Fused nasal bones helped tyrannosaurids dismember prey

...uperweapon." "Fused, arch-like nasal bones are a unique feature of tyrannosaurids," said Dr. Eric Snively, a post doctoral research fellow at the University of Alberta. "This adaptation, for instance, was keeping the T. rexes from breaking their own skull while breaking the bones of their prey." Snivel...

In Iran, cheetahs collared for the first time

...dled by a scientific team in Iran and represents a unique new phase of WCS's long-term involvement in the country. The new collars will furnish very precise information on the routes that cheetahs use to travel between protected areas, and will reveal the key features in the landscapes that are critical to ...

Get a whiff of this: Smell test could sniff out serious health problems

... with some common odors in the U.S.). “What’s also unique about this test is that it does not require a good memory, which is an issue in testing people with Alzheimer’s or some other dementia-related disease,?Frank says. “For instance, other tests ask, ‘Does this smell like garlic??or, ‘Does this smell lik...

NIDA study identifies genes that might help some people abstain from smoking

...rug therapy for addiction based on an individual’s unique genetic makeup. “This research marks the first time we’ve been able to identify genes involved in the ability to quit smoking,?says NIDA Director Dr. Nora D. Volkow. “It marks a movement from identifying the genetics of addiction vulnerability to...

Lighting up life: Cold Spring Harbor Protocols presents tips for creating glowing plants

Just over a decade ago, biologists isolated a unique protein from jellyfish that could be inserted into other organisms—from E. coli to pigs—and cause them to radiate a brilliant green color. This green fluorescent protein (GFP) has allowed biologists to make many new discoveries regarding how living...

Genetic fingerprints identify brain tumors' origins

... be genetically distinct as a consequence of their unique cellular origins," Gutmann says. "This is yet another factor we need to consider when trying to understand how pediatric brain tumors form." Researchers use information about tumor origins to develop new tests and treatments for the tumors. Brain ...

Scientists identify pancreatic cancer stem cells

...hat each tumor cancer stem cell has its own set of unique markers," Simeone said. ...

BMI not accurate indicator of body fat

...out of the equation?" he said. "Is there something unique about BMI that may increase a person's risk of chronic disease, unrelated to fatness? Are people with high BMIs but low fatness as much at risk of heart disease as other people? The answer is no one knows." In their research, Ode and Pivarnik used...

Sandia researchers take new approach to studying how cells respond to pathogens

...ed for analysis, so it should enable us to do some unique studies on rare cell types." Proteins in the ce... into one compact, miniaturized platform using our unique microfluidic and imaging tools," Singh says. Hyperspectral fluorescence imaging with multivariate...

Study shows isolation of stem cells may lead to a treatment for hearing loss

...xpression of a wide range of developmental markers unique to hair cells confirm the possibility that self-supporting hair cell precursors exist in or can be derived from the postnatal mammalian cochlea. Currently there are no clinical treatments to repair these hair cells vital to normal hearing. In t...

Selectivity is ultimate aphrodisiac

...to fail, and fast." The need to feel special or unique could be a broad motivation that stretches across our social lives, the study concludes. "Just as this need plays an important role in intimate relationships and friendships, the present study reveals a distinctive anti-reciprocity effect if this nee...

Researchers identify ovarian cancer biomarkers

Researchers have identified markers unique to the cells of blood vessels running through ovarian tumors. The finding, while preliminary, could one day improve screening, diagnosis and treatment for this disease. The team of researchers from the University of Michigan, University of Pennsylva...

Woven scaffolds could improve cartilage repair

Using a unique weaving machine of their design, Duke University Medical Center researchers have created a three-dimensional fabric "scaffold" that could greatly improve the ability of physicians to repair damaged joints with the patient's own stem cells. "If furth...

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