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Tag: "resolve" at biology news

Researchers shed light on mechanism of action used by anti-cancer drug

...uced in the ER stress response, and which helps to resolve stresses associated with increased protein loads. The net effect of these actions was to induce a shutdown of protein synthesis accompanied by a dramatic increase in cell death. “The notion that sorafenib acts by inhibiting protein synthesis and ...

Study shows lizard moms dress their children for success

...xtra dose of estradiol from the mother can help to resolve this problem. In one pathway, females increased the amount of estradiol to their eggs when their mate had a yellow throat. The hormone induced a barred back pattern in yellow-throated offspring. The barred pattern was not induced in non-yellow pro...

CT scan reveals ancient long-necked gliding reptile

...appendages because smaller bones were difficult to resolve due to the size of the specimen." The specimens were scanned at a resolution of about one tenth of a millimeter or less. The researchers could determine that the feet were curved, indicating that the reptiles probably lived in trees. The reso...

Marine phytoplankton changes form to protect itself from different predators

...nd its food role is small. While this paper won’t resolve the dispute, Hay believes it shows that both points of view could be correct – depending on which form the organism has taken. “It depends on the environmental context, which we are appreciating more and more in ecology and in biomedical research,...

Reconstructing the biology of extinct species: A new approach

...OMNI-X high-resolution x-ray CT scanner, which can resolve features approximately 1/100 the size of those detected by medical CT scanners. In addition, experienced field workers used personal knowledge or film of animals in the wild to classify species into one of six locomotor categories ranging from very ...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...on, and will propose specific ideas for helping to resolve this issue (4pMU5). Scientist and instrument-maker Richard Smith ( richard@smithwatkins.com ) will dispel and correct what he has identified to be some mistaken notions about brass instruments. For example, Smith says, trumpets are not supposed to ...

Mine runoff continues to provide clues to microbial diversification

...ct, ORNL mass spectrometry provided the ability to resolve and differentiate peptides that differ by as little as one amino acid. Nathan VerBerkmoes of the lab’s Chemical Sciences Division was instrumental in designing the experiments and acquiring the mass spectrometry data while Manesh Shah of the Biosc...

Scripps research study reveals structural dynamics of single prion molecules

...id that future work with yeast prion mutants might resolve some of the questions that remain unanswered. "Our laboratory has spent a great deal of time in improving these techniques, and we have used them to uncover some very intriguing information about this particular monomer," he said. "This combination o...

Racing neurons control whether we stop or go

..., not independent. Our goal with this paper was to resolve that paradox." To answer this question, the researchers applied the independent race model to existing data from experiments that monitored brain activity in monkeys while they were performing a visual stop signal task. In those experiments, the m...

Prehistoric mystery organism verified as giant fungus

...ngton, D.C., have produced new evidence to finally resolve the mysterious identity of what they regard as one of the weirdest organisms that ever lived. Their chemical analysis indicates that the organism was a fungus, the scientists report in the May issue of the journal of Geology, published by the Geolog...

Scientists discover new species of distinctive cloud-forest rodent

...ker Lab for Molecular Systematics and Evolution to resolve the evolutionary relationships among all of these rodents. "The new species is not only a handsome novelty," Patterson said. "Preliminary DNA analyses suggest that its nearest relatives, all restricted to the lowlands, may have arisen from Andean ...

Squid-inspired design could mean better handling of underwater vehicles

...harsh environments," Mohseni said. "We set out to resolve the trade off that many researchers settle for, wh...e symptom alone," he said. "We made it our goal to resolve a widespread problem." Mohseni created his new generators after studying the formation of vortex...

UCLA researchers unravel a mystery about DNA

...rts. "These are issues that we were not able to resolve until the development of the single molecule methods that we employed in these studies," Ebright said. "These methods involve detecting and manipulating single molecules, one at a time -- a breakthrough in its own right." "The study of molecular m...

Fighting like a girl or boy determined by gene in fruit flies

...cted Kravitz, hoping that aggression studies would resolve the lingering question of male behavior changes. Meanwhile, co-author Steven Nilsen, a postdoctoral fellow in Kravitz's lab, had similar questions and was staging contests between another line of mutant fruitless flies without such clear brain-sw...

On the golf tee or pitcher's mound, brain dooms motion to inconsistency

...s because we want to know." The study could help resolve a question about human nature, however. Which is more true, "nobody's perfect" or "practice makes perfect"" If complete consistency is the standard of perfection, then it seems that nobody will ever be perfect. ...

Trotting with emus to walk with dinosaurs

... Among the emu revelations was one that helped resolve a mysterious "crossing over" track pattern seen at Red Gulch. Researchers had found that sometimes a dinosaur's tracks became crossed ?that is, the left foot crossing over the right and the right crossing over the left. That seemed pretty strange and...

Man may have caused pre-historic extinctions

...AS paper develops a new statistical method to help resolve the inherent problems associated with dating fossils from the Pleistocene period. The aim is to provide a far more accurate timetable for the extinction of caballoid horses and mammoths and, ultimately, the cause. "This research is exciting because ...

Eminent inventor of DNA fingerprinting gains new recognition

...ommon approach, the use of molecular techniques to resolve the problems addressed. The Department was awarded the Queen's Anniversary Prize in 2002, for pioneering research and its impact on society. The work of the Department ranges from the study of prokaryote systems, yeast and other lower eukaryotes, t...

Copying nature could save us energy, study shows

...rgy, often increasing the amount used, in order to resolve the problem. However, new research which has compared how nature and man-made technologies overcome similar problems has shown that only 5 per cent of natural 'machines' rely on energy in the same way. Instead, insects, plants, birds and mammals r...

Researcher gives hard thoughts on soft inheritance

...lts are there to support it. The big questions to resolve are how many epigenetic changes are induced by the environment, what types of phenotypes result from these changes, and how many of these epigenetic changes are inherited." ...

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