Tag: "toward" at biology news

Gene-Altered Mouse May Provide New Insights To Parkinson's Disease, Substance Abuse And Schizophrenia

...e, said Caron. The mouse research maypoint the way toward drugs that maintain the higher levels of dopamine inthe brains of Parkinson's sufferers. In Parkinson's disease, dopamine-producing neurons in the brain's motorcontrol center, called the substantia nigra, slowly deteriorate and die.Thus, Parkinson'...

New Cancer Switch Discovered By Duke Medical Center Pharmacologists

...ntists in October and November, all of which point toward new ways to interfere with the malignant machinery of cancer cells to kill them. In a second paper in the October issue of Molecular and Cellular Biology, the scientists reported new understanding of how cancer cells acquire the ability to avoid the ...

New 'Twist' In Proteins Offers Possible Route To Improved Antibiotics

...e of its bound substrates. In a first step toward developing antibiotics that would block the enzyme'sactivity, the Duke scientists also are planning to survey known chemicalsthat might fit into the cleft of the active site. "Conceptually, it would seem feasible to design drugs that could a...

Computer Program For Quicker, More Detailed Mapping

...at Mapper will be invaluable as scientistscontinue toward their goal of determining the entire sequence of geneticletters that make up the human genome. "The maps we've made using this program are among the highest-resolutionmaps that have been made to date, but they're not detailed enough to allowsequenci...

Children Become Gorillas In VR Zoo

...e gorilla's mind turns to troublemaking. She heads toward alarge silverback male resting in the shade of an immense oak tree. At first, he simply glares at the youngster as she playfully lungesat him and strikes aggressive poses she's learned from the others. Butwhen his stares and annoyed coughs go unheed...

Transgenic Rice Plants Resist Insects, Drought And Salt Damage

...s colleagues "have made a significant contribution toward meeting world food requirements by demonstrating that biotechnology can be used to enhance the rice plant's ability to defend itself against pests and stresses, without the use of expensive and sometimes detrimental inputs such as pesticides." Develo...

Core Spins Faster Than Earth, Scientists Find

...arly in Earth's history as heaviermolten iron sank toward the center of the planet. As the Earthcooled and dissipated its internal heat toward the surface, somemolten iron began to solidify to create the dense, solid innercore at the center of...

Human-Like Ability, Categorical Perception, Found In Insects

...hearing can detect sounds up to 20 kHz). Steering toward the low-frequency cricket sound might help the fli...king cricket calls made the tethered insects "fly" toward the speaker. And sounds in the bat's ultrasound range made the crickets veer away from the speaker....

Changing Continental Runoff Patterns Could Change Ocean Circulation

... poles with cold water sinking and then traveling toward the equator, while warmer water travels poleward ... history. Researchers believe that we are heading toward a warmer period, possibly much like the early Eocene. "From various indicators in the geologica...

NCAR Scientist Models Earth's Climate and Vegetation Patterns At Last Glacial Peak

...North America as the Sahara Desert crept southward toward central Africa. Rain forests existed in South Amer... earth by trapping heat reflected from the surface toward space. While a 4- degree global average cooling might not sound like much, it translates into region...

Northwestern Scientists Discover How Herpes Simplex Virus Infects Cells

... Ongoingresearch in Spear's laboratory is directed toward identifying other cellsurface proteins that can mediate entry of herpes simplex virus into othercell types, including nerve cells, and defining the relevant mechanisms ofentry into different human cells....

Medicinal Leech May Offer Clues To Neural Regeneration

...e cell that carry impulses away from the cell body toward a target cell. "We are now conducting follow-up studies to identify what information this molecule provides at a cellular level, and to see how these functions might help the leech's nervous system set itself up to allow regeneration to occur," she s...

Fast Measurement Technique Reveals Early Steps In Protein Folding

...anding how proteins fold is a necessary first step toward the eventualgoal of tailoring designed proteins. But, to study how proteins fold, researchersfirst must unfold them. Gruebele and his colleagues -- graduate students Richard Ballew and JobiahSabelko -- do this by supercooling the proteins in an aqu...

Bottom-up Ecological Processes Better For Clear Waters, Study Finds

... a direct influence in thework. In the first step toward tackling this problem last year, Brett and Goldmanpublished a meta-analysis of 54 studies, providing unequivocal support forthe trophic cascade hypothesis in the Proceedings of the National Academyof Sciences. Next, the pair set out to compare this...

Project Shows Native Bacteria Can Destroy Widespread Pollutant In Groundwater

...e've demonstrated the technology. Now we will work toward applying it at other TCE-contaminated sites and with other contaminants, like vinyl chloride," McCarty said. The full-scale demonstration project was financially supported by the Armstrong Laboratory Environics Directorate at Tyndall Air Force Base a...

Everyday Technology Underlies First DNA Computer Logic Gates

...new possibilities, since they mark the first step toward building a DNA computer that would perform calculations in the same way as electronic computers. These gates -- actually tiny DNA processing centers -- detect specific fragments of the genetic blueprint as input, then splice together the fragment...

New understanding of crab populations may not bring fishermen's delight

...es from year to year," Botsford says."It points us toward the environmental influences but doesn't identifythem. More research is needed to identify the actual impacts of winds, currentsand El Nino conditions." Hastings says the next step is focusing on these explicit environmentalinfluences. Such demandin...

Ozone 'Chat Room' Provides Real-Time Air-Quality Research

...lvania -- and when the wind blows from the Midwest toward the east, neighboring areas receive higher doses. The data are very clear on that." Another observation: Compared with weekdays, ozone levels are reduced over weekends. "Only humans operate on a weekly cycle, so this graphically ties human activit...

Merging Physics And Neuroscience: First Evidence Of Self-Organized Criticality In Brain Networks

...stems far from equilibrium that spontaneously move toward acritical state without external tuning. While ...ring of neurons creates noise thatmoves the system toward criticality, Jung explained. Without thenoise, the system would remain balanced and create no waves...

Summer Science: Firefly Babies Advertise Their Bitter Taste, UD Researchers Say

...Thoughmice initially entered the maze "with a bias toward the glowing branch," theyquickly learned to steer clear of the bitter-tasting tidbit, UD researchers say.Within eight to 47 runs, all mice had selected the darkened side of the maze atleast seven times in a row. "Our study answers a fundamental quest...

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