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Tag: "odd" at biology news

Trusting your instincts leads you to the right answer

...ocesses. Participants, who were asked to pick the odd one out on a screen covered in over 650 identical ...conds from the moment their eyes had landed on the odd one out to scrutinize the image. Participants had to decide whether the odd one out was on the left ...

Biologists produce global map of plant biodiversity

...he individual distributions of the world's 300,000 odd plant species," says Jetz. "Holger Kreft and I investigated how well the richness of plants can be predicted from environmental conditions alone." Combining field-survey based species counts from over a thousand regions worldwide with high-resolut...

Reading Shakespeare has dramatic effect on human brain

...ey should, the brain becomes excited. By throwing odd words into seemingly normal sentences, Shakespeare surprises the brain and catches it off guard in a manner that produces a sudden burst of activity - a sense of drama created out of the simplest of things." Experts believe that this heightened bra...

NAU researchers chirping over discovery of new cricket genus

...ave system or region. They present interesting and odd evolutionary forms that reflect the extreme environments found in caves." Cave-dwelling invertebrates are important for conservation, because they can be rare and/or highly limited in distribution, Cobb said. Wynne said more than 1,000 caves have ...

Rice scientists unveil 'nanoegg'

...stronomy. The reasons for this have to do with the odd and often counterintuitive rules that govern how light interacts with electrons at the nanoscale. "All metal particles have a sea of free electrons flowing continuously over their surface called plasmons," Nordlander said. "These plasmons slosh aro...

Mayo Clinic researchers discover cancer cells may move via wave stimulation

... Clinic Research The Mayo researchers focused on odd protrusions observable by microscope on the surface of certain cancer cells: circular waves. Until now, no one has fully understood the function of these waves. The Mayo findings in the current edition of Cancer Research http://cancerres.aacrjournal...

Oops! Researchers publish new findings on the brain's response to costly mistakes

... were instructed to determine which letter was the odd one out in a series of other letters. Some of the letter sequences were more confusing than others. They received immediate feedback telling them if they were wrong or too late in responding. "In general, the response to a mistake that cost them mo...

Morning grogginess more debilitating than sleep deprivation, according to CU-Boulder study

... patients in crisis on a moment's notice, often at odd hours, Wright said. Medical residents, for example, who may work 80 hours or more per week and who "catnap" at times, could be prone to make simple math mistakes when calculating dosages of medicine during bouts of sleep inertia, he said. The resul...

When good DNA goes bad

...at map to regions with the potential to form these odd DNA structures. "Our study shows that DNA itself can act as a mutagen, resulting in genetic instability," says Karen Vasquez, Ph.D., lead author of the study and assistant professor of carcinogenesis at M. D. Anderson's Science Park Research Divisio...

MIT: Oceans are a major gene swap-meet for plankton

...h carry genes of their own and sometimes transport odd genes picked up from an earlier host, are the most likely means of exchange - a natural way to get genes out of old cells and into new ones. In essence, what all this means is that "our image of ocean microbes and their role in planetary maintenance...

UF scientists reveal ancient origin of vertebrate skeleton

...me essential protein that builds cartilage in this odd animal - it spends the first five years of its development in the larval stage before it finally morphs into a boneless fish - is none other than collagen. This vital structural molecule is found in all vertebrates with backbones and jaws, including ...

Scientist uses dragonflies to better understand flight

...t came from dragonflies. "Dragonflies have a very odd stroke. It's an up-and-down stroke instead of a back-and-forth stroke," she said. "Dragonflies are one of the most maneuverable insects, so if they're doing that they're probably doing it for a reason. But what's strange about this is the fact that t...

UF scientists reveal ancient origin of vertebrate skeleton

...me essential protein that builds cartilage in this odd animal - it spends the first five years of its development in the larval stage before it finally morphs into a boneless fish - is none other than collagen. This vital structural molecule is found in all vertebrates with backbones and jaws, including ...

UI researcher studies deafness in fruit flies, humans

... song" of the fruit fly. Although they may seem an odd choice, the fruit fly and its love song are very effective tools for learning about the molecular and cellular mechanisms involved in hearing in insects and animals, including humans, says Eberl, who is trying to identify the genes responsible for he...

Tamoxifen-like drug suggests new ways to selectively block estrogen

...helix 12, out of place. By shifting helix 12 to an odd spot, GW5638 disrupts the ways in which several other molecules that normally interact with the estrogen receptor go about their jobs. These molecules, called coactivators or corepressors, can enhance or repress the effects of estrogen. They are pre...

Researchers Identify Cause of Early Bird Sleep Disorder

...dical Institute researchers announced today. This odd "time-shift" trait -- called familial advanced sleep phase syndrome (FASPS) -- was studied in one affected family by neurologist Louis J. Ptacek, a Howard Hughes Medical Institute researcher, and Ying-Hui Fu, at the University of California, San Fran...

Researchers make surprise discovery that some neurons can transmit three signals at once

... can stimulate NMDA receptors. "It first appeared odd to us that an immature inhibitory synapse would want to release an excitatory neurotransmitter. After all, this contradicts the most basic principles that have defined the field of neuroscience. But when we also found that this glutamate activates NM...

Growth in the sea comes down to a struggle for iron

... of diatoms and other phytoplankton, but something odd occurs as these tiny marine plants continue to grow. They begin to starve in the midst of plenty, acting as though iron, an essential nutrient, still is in short supply. Why this happens is unclear, but the answer could be that iron sets off a kind o...

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