Tag: "smaller" at biology news
Tumor Suppressor Gene Located In Liver Cancer Cells
...ow one could detect these tumors when they're much smaller
could have a significant impact on survival," he said. The protein receptor produced by M6P/IGF2r is an attractive target because it is present on the cell surface and in the plasma, Jirtle said, making it readily accessible for use in both liver tu...
Honeybees In The Wild Nearly Gone In North America
...w said. Backyard gardeners will feel the impact in smaller
yields andsmaller, lower-quality fruits and vegeta...s will notice the effects of the honeybee blightin smaller
yields and smaller, lower quality fruits and vegetables,Tew said. The lower the number of a plant's ...
Bottom-up Ecological Processes Better For Clear Waters, Study Finds
...putting more large fish in the lake wouldmean more smaller
fish would be eaten. With fewer smaller
fish swimmingaround looking for dinner, the zooplankton would increase and eat more algae.The algae,...
Bigger Biology Tackled Through Keyboards
...re system, which ismediated by things happening on smaller
and larger scales. When using models, it's important to understand their limits, Levin said.Day-to-day weather forecasts may not be possible, but long-term averagesproduce more reliable predictions. Land managers using models may need todevelop ada...
Researchers Corral Millions Of Microscopic Membranes
... idea of using microfabrication techniques to make smaller
membrane corrals. "The hardest part was deciding what to do," Ulman said. The actual processing involved was straightforward. But, because electrical engineers have never thought about deliberately exposing their microcircuits to salt water, there we...
Learning From Birds And Bees: Engineers Study Insects For Ideas On Tiny "Micro Air Vehicles"
...ship explained. "The Wright Flyer made smallerand smaller
ultimately won't work, and we'll probably haveto use some other method to get efficient motion in an...
Stuttering Appears To Have Strong Link To Family Genes, Researchers Say
... thelarge influence of one gene, combined with the smaller
effect from a smallgroup of other genes, Ambrose said. "It's not saying there is a singlestuttering gene," Ambrose noted, "but there is a gene that hasa big effect on the transmission of susceptibility to stuttering."The next phase of their research,...
New Evidence For Corn's Ancestry Could Lead To Insect And Drought Resistant Crops
... But the earliest known versions of corn have far smaller
ears that bearfewer and tinier kernels, providing silent testimony to the corn genome'sgreat adaptability. Scientists are in agreement on the ancestry of the Old World's simplerstaple grains -- oats, rye and wheat. But the origins of the New World's...
Purdue-Made Soil Benefits The Environment
...e organic materials. The materials break down into smaller
particles, combining with the minerals in the coal ash to form very nutrient-rich soil," Tishmack explains. The "Soilermaker" project started in the lab in 1993, and the first large-scale mixing operation started in the fall of 1995, producing about ...
Mutant Gene Not Sole Explanation For Hiv Non-Progression
... levels of virus in their blood and a smaller
initial decline in CD4+ T cells, as compared to other patients," says Dr. Cohen. (See Huang, et al. Nature Medicine 1996;2:1240-1243). "This lower 'set point' probably has an ...
Testosterone And Working Memory; Epilepsy And Schizophrenia; Toxins And Neuron Death; Oregon Researchers Present Findings At Society For Neuroscience
...clinical doses of clozapine. They also showed that smaller
dosesgiven over a period of time eventually "kindle" seizures. Animals with thosetypes of seizures showed increased neuronal activity in a deep brain area knownas the thalamus. This brain area is important for both receiving sensoryimpressions and fo...
Overfeeding Normal Infant Rats Affects Three Generations: Permanently Changes Basic Metabolism, Interferes With Reproduction
...ration and theexperimental rats were significantly smaller
than the controls, even though thetwo groups were ... identically. "These rats were 5 percent smaller
at birth and remained consistentlysmaller throughout their lifetime," said Taylor. In addition, repr...
New Ultrafine Metal Powder Production Process
... nanometer range, the individual particles are smaller
than the smallest bacteria or about the size of a small virus. Singh makes the silver powder by putting silver nitrate, an inexpensive, colorless liquid used in pharmaceuticals, photography, and dyes, in the blender with a reducing a...
Premies' Lung Disorder Can Cause Developmental Delays
...t 3 years of age. However, because BPD babies were smaller
and sicker, they had higher rates of delay at 3 years." Singer said that BPD may be a factor in the higher rates of learning disabilities that pre-term babies experience at school age. The study examined three groups of 329 infants in the neonatal ...
Skull Of Refrigerator-Size Ancient Armadillo Finds A Home At UF
... Holmesina septentrionalis, the beasts, like their smaller
modern counterparts, spread to what now is Florida...od of dramatic climate change, McCarty said. But a smaller
variety continued to live in South America, as did llamas, large rodents called capybaras, and tapir...
Guidelines For Next Generation Of Environmental Policy
... the next generation needs to include thousands of smaller
companiesand millions of consumers. "We must try to influence the choices of allAmericans, because their decisions about what to buy, where to live, how much todrive, what to throw away, and where to shop will profoundly shape the qualityof our envi...
Wake Forest University Study Takes Students In Flight With The Albatross
...-tech of orbiting satellites and tiny transmitters smaller
than a dollar bill with the high-touch, interpersonal world of classroom learning. Each time they pass over the northern Pacific, the Argos System's satellites scan for the signals emitted by the seabirds' transmitters. If a positive contact i...
New Study Shows Dinosaurs From Gobi Desert Site Killed In Sudden "Sand Slides" Falling From Dunes - Study Also Reports First Dinosaur Tracks From Gobi
...ds. Minuscule skeletal structures -- some of them smaller
than one of theletters in this sentence -- are perfectly preserved. This remarkable quality ofpreservation indicates that the animals at Ukhaa Tolgod were killed swiftly bycatastrophic events that buried their bodies before they could be scavenged o...
Tiger Beetles Go Blind At High Speeds
... is not very impressive, but the beetles are a lot smaller
than Michael Johnson. If we scale the speed for body length, we get a much different picture." Considering Johnson is about 6 feet tall (1.83 meters), his 10.35 meters per second becomes 5.6 body lengths per second -- "Obviously impressive," Gilbert...
'Rolling Circles' Provide New Way to Amplify and Detect DNA
...as its template a single piece of circular DNA far smaller
than that found in eventhe tiniest of organisms. ...entists then cut this longstrand of DNA into many smaller
strands with sequences that exactly complement the template. In the lab, Kool has produced stra...
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