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Tag: "thinking" at biology news

Robots manipulating animal behaviour

... the infiltrator robots even fool the insects into thinking they are real creatures. The roach pheromones ?a blend of molecules developed by the project partner from the Université de Rennes I, France ?enable various forms of communication, including recognition and attraction. For example, when a roach dete...

K-Staters design and build a low-cost remote sensing tool for environmental studies

...p fields for problem areas, for example. "We keep thinking of new civilian uses for it," Ham said. He also said it will help his own research, which focuses on measuring the movement of gases between the prairie and the atmosphere. Ham collects data via a mini-network of six meteorological towers on the Kon...

Wasps queue for top job

...ng to feed the queen's larvae. Previous scientific thinking indicated that the variation in help given might be proportional to genetic relatedness. Those less closely related to the queen would help out less. This new study, however, shows that more distantly related wasps aren't in fact lazier. Instead, t...

Massive duplication of genes may solve Darwin's 'abominable mystery' about flowering plants

...to, and tobacco, and longer ago in maize. But the thinking was that human breeders might be artificially selecting for duplication events in crop species by "selecting desirable traits like rapid growth, high yield, and even large stature," says dePamphilis. Detection of still more ancient whole-genome dupl...

Methane-belching bugs inspire a new theory of the origin of life on Earth

...ary work as well." "We've taken a new approach to thinking about the evolution of life from a thermodynamic perspective," Ferry says. "It reshapes the two previous theories of life's origin, it shows how they overlap, and it extends both of them significantly." The apparently irreconcilable "heterotrophic" ...

Brain-computer link lets paralyzed patients convert thoughts into actions

... he learned to control a computer cursor simply by thinking about moving it. During 57 sessions, from July ...e neurons firing in different patterns when you're thinking in different ways. And seeing it is only the beginning." The system is constantly being improved. ...

Carnegie Mellon researchers discover key deficiencies in brains of people with autism

...or skills in some areas, while many other types of thinking are disordered. In addition, their findings partic... properties of the brain and the properties of the thinking in autism," said Just, the D.O. Hebb Professor of Psychology at Carnegie Mellon. ...

What's nature worth? New computer models tell all

...rproductive conservation vs. development debate to thinking about conservation as a form of development," he writes. ...

Protein connections: A network to understand disease

...disease or cause the symptoms of it." "Instead of thinking one gene-one disease, you realize that if there are 10 genes that cause the same symptoms, they must do it through some common pathways or interactions with other proteins." In applying the network theory to understanding disease, Zoghbi and her col...

Hopkins researchers develop new tool to watch real-time chemical activity in cells

...n drug, this may lead to a new use or a new way of thinking about that drug," says Zhang, who hopes to test the rest of the chemicals in the collection soon for their ability to interfere with the enzyme tested in this study. Finding a drug that can tame this enzyme could lead to new treatments for heart dise...

Ritalin packs punch by elevating norepinephrine, suppressing nerve signal transmissions

...in are likely to affect other areas. "We've been thinking about this for a long time," Waterhouse said of his research. "We hope to have a good idea of the drug's action when we put it all together." One broad question that intrigues researchers is whether ADHD traces back to the same area of the brain as ...

UC San Diego biologists solve plant growth hormone enigma

...ct location in the plant. Contrary to the current thinking in the field, the research shows that the patterns in which auxin is produced in the plant influence development, a finding that can be applied to improving crops. "The auxin field dates back to Charles Darwin, who first reported that plants produc...

Evolutionary scrap-heap challenge: Antifreeze fish make sense out of junk DNA

...fe has produced many coding genes and conventional thinking assumes that new genes must come from pre-existing ones because the probability of a random stretch of DNA somehow becoming a functional gene is very low if not nil. This cod antifreeze gene might be an exception to this because it consists of a shor...

Northern birds are fatter!

...ferences in the availability of food. "Our current thinking is that the difference in fattening could be caused by differences in behaviour (birds simply feed more intensively in the north) or changes in physiology that the birds experience as they move further north", says Williams. "We know there are major ...

Report lists top 20 most-vulnerable African carnivores

...by the fact that there was no structural basis for thinking about the problem," he said. "There was no picture in any detail of what any part of this protein looks like." Many labs have been working toward developing that picture, but the task has proven challenging. That's because the enzyme tends to clump...

Groovy protein essential for promoting cancer development

...by the fact that there was no structural basis for thinking about the problem," he said. "There was no picture in any detail of what any part of this protein looks like." Many labs have been working toward developing that picture, but the task has proven challenging. That's because the enzyme tends to clump...

'Shuttling' protein possibly key to resilience of cancer cells

...en two different proteins come together. "Current thinking is that all of these AP-1 proteins in healthy cells are localized, or confined, to the nucleus," Hu said. "But in this work we found for the first time that ATF2 constantly shuttles between the cytoplasm and the nucleus." The researchers found that ...

Major WHO study concludes calcium supplements can reduce complications during pregnancy

...drug binding and action is a relatively new way of thinking about things, arising from the greater appreciation of proteins as dynamic molecular machines," McCammon explained. The drug cocktails now used in the treatment of HIV infection are referred to under the umbrella term, highly active antiretroviral t...

Computer simulation hints at new HIV drug target

...drug binding and action is a relatively new way of thinking about things, arising from the greater appreciation of proteins as dynamic molecular machines," McCammon explained. The drug cocktails now used in the treatment of HIV infection are referred to under the umbrella term, highly active antiretroviral t...

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

...fter eight hours of sound sleep have more impaired thinking and memory skills than they do after being deprived of sleep for more than 24 hours. The study showed test subjects had diminished short-term memory, counting skills and cognitive abilities during the groggy period upon awakening known as sleep iner...

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