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Tag: "thinking" at biology news

Chemical guidance of T cells leads to immunologic memory and long-term immunity

...unity works--findings that may lead to new ways of thinking about how to enhance certain immune responses and how to improve vaccines. Led by immunologist Ronald Germain, M.D., Ph.D., the scientists took videos through a microscope to document what happens inside the lymph nodes of a living mouse shortly aft...

Cloned stem cells prove identical to fertilized stem cells

...n removed. The researcher then tricks the egg into thinking it's been fertilized. The egg develops into a blastocyst, an early stage embryo consisting of no more than 100 or so cells. The scientist can then either remove the stem cells from this blastocyst, or place it into a uterus where it has the potential...

World first research to speed up cure for ear infections

...ical treatment. "We tend to ignore ear infections thinking they will go away or we might have a reluctance to visit the doctor ?but in third-world countries the problem is common due to the lack of available treatment," he said. Dr Ghassemifar said the results of other gene targeting research have indicated...

Aggression-related gene weakens brain's impulse control circuits

...cuits that regulate impulses, emotional memory and thinking in humans, researchers at the National Institutes of Health's (NIH) National Institute of Mental Health (NIMH) have found. Brain scans revealed that people with this version ?especially males ?tended to have relatively smaller emotion-related brain s...

Lactic acid not athlete's poison, but an energy source - if you know how to use it

...right thing. These discoveries reshape fundamental thinking on the organization, function and regulation of major pathways of metabolism." ...

Lack of a key enzyme dramatically increases resistance to sepsis

...er-production runs contrary to some of the current thinking in sepsis research," Ulevitch said. "The general thinking is that this initial cytokine 'storm' is harmful, and that belief has been the basis of a number of ...

Bringing the zoos to the zebras

...g program to introduce ecological and conservation thinking into local schools. Finally, Saint Louis Zoo is recruiting a team of interested volunteers from the Saint Louis area to participate in Earthwatch's Grevy's Zebras project in September. Rubenstein's talk was part of an AAAS symposium titled "Research...

Study finds drug may cut down involuntary movements

...rea), as well as changes in personality, behavior, thinking and memory. There are no FDA-approved treatments for the chorea. Anti-psychotic drugs like haloperidol (Haldol) are commonly used to suppress chorea, but they cause many different side effects. This study shows that tetrabenazine can decrease chore...

UC Berkeley researchers create a biologically-inspired artificial compound eye

...ation technology is two-dimensional. So, I started thinking about basing a fabrication system on the developmental stages of insect eyes that I'd learned about as a biophysicist and bioengineer." What he and his team came up with is a low-cost, easy-to-replicate method of creating pinhead-sized polymer resi...

Cortex matures faster in youth with highest IQ

...with superior IQ are distinguished by how fast the thinking part of their brains thickens and thins as they gr...cting a longer developmental window for high-level thinking circuitry. It also thins faster during the late teens, likely due to the withering of unused neural ...

Sleeping sickness parasite shows how cells divide their insides

...ganisms that have many copies in each cell. When thinking about how cells divide, doubling and separating DNA in chromosomes is often the focus. Equally important is the way a cell prepares its internal organelles for distribution. Warren studies the Golgi complex, a membrane compartment in the cytoplasm th...

Image of myosin-actin interaction revealed in cover story of Molecular Cell

...is cycle. "This study required a different way of thinking about image analysis. This is the first time we were able to structurally visualize the weak binding states of actin and myosin, not interpolated from crystal structures, and not interpolated from biophysical methods," said Dr. Hanein. "We were able ...

Limiting the damage in stroke

...few hours after the stroke. That is important when thinking about possible human therapies; it usually takes time for a patient to reach the hospital. Secondly, the same effects could be achieved by blocking IKK2 activity with a small artificial molecule. That's what a drug will have to do. Human cells have a...

Noise And Delays Explain Why Some Genes Oscillate In Activity

... These potentially addictive chemicals can distort thinking just as they can enhance it. Because CX717 has a different biochemical action, it may be more beneficial than stimulants for counteracting the cognitive effects of sleep deprivation. But that doesn't mean we should throw away our pillows and blankets...

Clocking in Pillow Time without the Pillow

... These potentially addictive chemicals can distort thinking just as they can enhance it. Because CX717 has a different biochemical action, it may be more beneficial than stimulants for counteracting the cognitive effects of sleep deprivation. But that doesn't mean we should throw away our pillows and blankets...

Scientists move forward understanding of schizophrenia

...ilitating disorders. It also suggests a new way of thinking about developing better and effective medicines." ...he brain that leads to schizophrenia will lead our thinking in the development of new treatments for this disorder" ...

Bigger brain size matters for intellectual ability

...tial thinking, but that in men, verbal and spatial thinking are more distinct. It may be that the size or structure of the localized brain regions which underlie spatial skills in men is related to spatial intelligence, as was shown in previous research in Witelson's lab on the brain of Albert Einstein. In...

Russian 'surrogate' alcohols are a killer

...ndustrial revolution." Shkolnikov concurs. "When thinking about the Russian health crisis, one should not overlook certain societal forces operating in the post-Soviet era," he said. "These include a totalitarian legacy of neglect of individual values and interests, substantial poverty and underdevelopment...

Natural compound from 'pond scum' shows potential activity against Alzheimer's

...in chemical thought to be important for memory and thinking -- whose breakdown has been associated with the disease's progression. The natural compound's potency is comparable to galanthamine, a cholinesterase inhibitor already approved for the treatment of Alzheimer's, the researchers say. As with any promi...

Researchers offer proof-of-concept for Altered Nuclear Transfer

...d been removed. This egg cell is then tricked into thinking it has been fertilized. That causes it to grow into a blastocyst--a mass of about 100 cells--from which stem cells are removed. These embryonic stem cells can divide and replicate themselves indefinitely, and they can also form any type of tissue in...

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