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Tag: "extraordinary" at biology news

Found: Missing sequence of the human Y chromosome

...s attempting to decodeits sequence. It contains an extraordinary abundance of repetitiveelements, including transposons and tandem arrays of satellitesequences. This highly repetitive, transcriptionally dormant genomiclandscape, termed "heterochromatin," defines approximately two-thirdsof the Y chromosome, includi...

X-Ray Beams And Fruit Fly 'Flight Simulator' Aid Scientists' View Of Muscle Power

... flying fruit fly and examine how it generates the extraordinary levels of power that result in flight. The intense X-rays allowed the researchers to identify changes in the crystal-like arrangement of molecules responsible for generating the rapid contractions of the fly’s muscle with a resolution of 6/10,000th ...

Stem Cell Research Shows Potential for Replacing Tissue Damaged in Heart Attacks

...aged or diseased cells in adult tissues has caused extraordinary interest in their therapeutic application. Dr. Lough’s research focuses on cardiac myocytes, which are found in the myocardium tissue, or heat muscles, that helps pump the chambers of the heart. “After a patient has a heart attack, significant numb...

Nanoscale Diagnostic Sets Sights on Alzheimer's

...er the radar of conventional diagnostic tools. The extraordinary sensitivity of the bar code assay has a chance to ...t until now we couldn't detect them. Thanks to the extraordinary sensitivity of the BCA it's been possible to validate the prediction, and maybe even set the stage f...

Birds brains reveal source of songs

...erves as the source of vocal creativity. "It's an extraordinary finding," says Sarah Bottjer of the University of Southern California. "Here's an organism that enables a direct investigation of how animals learn motor activities." The songbird's creative, trial-and-error type of learning provides an ideal model ...

Super predators and mass extinctions

...esearcher in Poland thinks it may be possible that extraordinary predators are at fault instead. Adam Lipowski (Adam Mickiewicz University) constructed a numerical model of many species competing for both food and living space. The model also included a term that controls mutation rates, allowing new species to d...

Scientists discover global pattern of big fish diversity in open oceans

...e U.S. is really a hotspot," says Myers. "And this extraordinary pattern of diversity right off Florida needs to be appreciated and protected. We know that there has been a big shift already ?we are replacing big tuna and billfish with things like snake mackerel and pelagic stingrays. This is a fundamental change...

How monarch butterflies are wired for navigation

In their extraordinary annual migration from North America to Mexico, monarch butterflies are known to use the angle of polarized sunlight as a celestial guide to help them keep to a straight and true path southward. But details of their navigational machinery have remaine...

Human embryonic stem cells have the potential to develop into eggs and sperm in the laboratory

...egg development and isolate these as well. What is extraordinary is that the embryoid bodies seem to produce spontaneously the tissue and environment conducive for sperm and egg development in quite a short time in culture." Speaking before the conference, Prof Moore said: "One of the reasons for doing this resea...

'Punctuated' evolution in the human genome

...ic regions among closely related primates suggests extraordinary dynamism, where duplication, deletion, and rearrangement of large segments of DNA occur at an unprecedented scale. Eichler's group performed a comprehensive structural and evolutionary analysis of a 700-kilobase (Kb) pericentromeric region on the sh...

Researchers devise new technique for creating human stem cells

... to maintain the progress necessary to realize the extraordinary clinical potential of this technology." Eggan added that the most realistic current promise of the fusion technique is in studying the machinery of genetic reprogramming of somatic cells by embryonic cells. "It is extremely difficult to study the re...

Gap-climbing fruit flies reveal components of goal-driven behaviors

...e width. If the chasm is short, flies engage in an extraordinary crossing behavior that the researchers showed involve three motor programs. High-speed video analyses revealed that flies can flexibly combine, and iteratively improve, these three behavioral adaptations in order to traverse gaps much broader than th...

Rodent social behavior encoded in junk DNA

...mines a gene's expression in the brain. This is an extraordinary example of research linking gene variation to brain receptors to behavior." Hammock and Young were particularly intrigued with microsatellites, repeating sequences of letters in the genetic code peppered throughout these regulatory areas of the vaso...

Microbe has huge role in ocean life, carbon cycle

...sources, they are able to survive and replicate in extraordinary numbers ?a milliliter of sea water off the Oregon coast might contain 500,000 of these cells. "The ocean is a very competitive environment, and these bacteria apparently won the race," said Stephen Giovannoni, an OSU professor of microbiology. "Our ...

York scientists warn of dramatic impact of climate change on Africa

...ett, who led the research, said: "The results were extraordinary ?plants migrate out of the Congo rainforests and there is a massive intensification of drought in the Sahel. Other areas particularly hard hit are eastern Africa and the south-west coast." Because of a scarcity of hard data, the team used a computer...

Emerald Spectre haunts Ontario's ash forests

...t the American and Canadian governments are making extraordinary efforts together. The 2005 federal Canadian budget contained the first line item ever to target invasive species directly ?$85 million, much of which is earmarked for battling the borer and another forest pest, the Asian longhorn beetle, which has ...

New discovery: If it weren't for this enzyme, decomposing pesticide would take millennia

...id appear in just the past 50 years, that would be extraordinary example of the "majestic hand of evolution at work," Wolfenden said. For an undergraduate to publish a paper in such a prestigious scientific journal as the Proceedings of the National Academy of Sciences also is quite unusual, he said. That success...

Regenerating worms help elucidate stem cell biology

Using a tiny flatworm best known for its extraordinary ability to regenerate lost tissue, researchers have identified a gene that controls the ability of stem cells to differentiate into specialized cells. The gene encodes a protein that is most similar to the protein PIWI, an important regulator of stem...

Logging doubles threat to the Amazon, rivaling clear-cutting, study suggests

...y canopy is thinned. "Logged forests are areas of extraordinary damage," Asner said. "A tree crown can be 25 meters. When you knock down a tree it causes a lot of damage in the understory. It's a debris field down there." ...

New technique multiplies life span in simple organisms

... long-lived organisms in Longo's experiment showed extraordinary resilience under stress. "We hit them with oxidants, we hit them with heat," Longo said. "They are highly resistant to everything. What they're doing is basically saying, 'I cannot afford to age. I still have to generate offspring, but I don't have ...

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Breaking Biology News(10 mins):Proteins: New class of materials discovered 2Stanford scientists develop a water splitter that runs on an ordinary AAA battery 2Stanford scientists develop a water splitter that runs on an ordinary AAA battery 3Orgasm rates for single women less predictable than men's, vary by sexual orientation 2Orgasm rates for single women less predictable than men's, vary by sexual orientation 3Orgasm rates for single women less predictable than men's, vary by sexual orientation 4
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Breaking Medicine News(10 mins):Health News:Cardiomyopathy (Heart Muscle Disease) Therapeutics Clinical Trials Market 2014 Analysis in a New Report Available at MarketOptimizer.org 2Health News:Cardiomyopathy (Heart Muscle Disease) Therapeutics Clinical Trials Market 2014 Analysis in a New Report Available at MarketOptimizer.org 3Health News:Cardiomyopathy (Heart Muscle Disease) Therapeutics Clinical Trials Market 2014 Analysis in a New Report Available at MarketOptimizer.org 4Health News:GranuFlo Lawsuits Mount in Federal Litigation, as Filings Surpass 2,000, Bernstein Liebhard LLP Reports 2Health News:GranuFlo Lawsuits Mount in Federal Litigation, as Filings Surpass 2,000, Bernstein Liebhard LLP Reports 3Health News:GranuFlo Lawsuits Mount in Federal Litigation, as Filings Surpass 2,000, Bernstein Liebhard LLP Reports 4Health News:This Time Prominent Hospital Group Falls Prey to Hackers Believed to be Based in China 2Health News:This Time Prominent Hospital Group Falls Prey to Hackers Believed to be Based in China 3Health News:This Time Prominent Hospital Group Falls Prey to Hackers Believed to be Based in China 4Health News:A new plugin was announced today, ProIntro Vol.3 from Pixel Film Studios for Final Cut Pro X 2
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