News tagged with cell behavior
New technology allows scientists to watch cancer cells in action at unprecedented resolution
A photograph of a polar bear in captivity, no matter how sharp the resolution, can never reveal as much about behavior as footage of that polar bear in its natural habitat. The behavior of cells and molecules can prove even ...
Chemistry / Analytical Chemistry
Feb 01, 2012 |
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Songbird brain synapses and glial cells capable of synthesizing estrogen
Colin Saldanha, a biology professor at American University in Washington, D.C., has always been intrigued by the hormone estrogen. Specifically, how the hormone that does so much (for example, it promotes sexual behavior ...
Jan 03, 2012 |
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How work tells muscles to grow
We take it for granted, but the fact that our muscles grow when we work them makes them rather unique. Now, researchers have identified a key ingredient needed for that bulking up to take place. A factor produced in working ...
Jan 03, 2012 |
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Brain strain: Christmas shopping when money tight
(AP) -- Chennel King, a nurse from Norwalk, Conn., went Christmas shopping the other day with a new holiday companion: a budget.
Medicine & Health / Psychology & Psychiatry
Dec 18, 2011 |
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Autism may involve disordered white matter in the brain
It's still unclear what's different in the brains of people with autism spectrum disorders (ASDs), but evidence from genetic and cell studies points to abnormalities in how brain cells (neurons) connect to each other. A study ...
Dec 05, 2011 |
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Tracking dragonflies on the wing
(PhysOrg.com) -- Duke University electrical engineers have developed a wirelessly powered telemetry system that is light and powerful enough to allow scientists to study the intricate neurological activity ...
Nov 16, 2011 |
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How a molecular traffic jam impacts cell division
Interdisciplinary research between biology and physics aims to understand the cell and how it organizes internally. The mechanisms inside the cell are very complicated. LMU biophysicist Professor Erwin Frey, who is also a ...
Nov 07, 2011 |
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Fruit fly intestine may hold secret to the fountain of youth
One of the few reliable ways to extend an organism's lifespan, be it a fruit fly or a mouse, is to restrict calorie intake. Now, a new study in fruit flies is helping to explain why such minimal diets are ...
Nov 02, 2011 |
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Autistic brains develop more slowly than healthy brains: study
Researchers at UCLA have found a possible explanation for why autistic children act and think differently than their peers. For the first time, they've shown that the connections between brain regions that are important for ...
Medicine & Health / Neuroscience
Oct 20, 2011 |
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Optimal modulation of ion channels rescues neurons associated with epilepsy
New research successfully reverses epilepsy-associated pathology by using a sophisticated single-cell modeling paradigm to examine abnormal cell behavior and identify the optimal modulation of channel activity. The study, ...
Oct 18, 2011 |
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In the brain, winning is everywhere
Winning may not be the only thing, but the human brain devotes a lot of resources to the outcome of games, a new study by Yale researchers suggest.
Medicine & Health / Neuroscience
Oct 05, 2011 |
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Sociability may depend upon brain cells generated in adolescence
Mice become profoundly anti-social when the creation of new brain cells is interrupted in adolescence, a surprising finding that may help researchers understand schizophrenia and other mental disorders, Yale researchers report.
Medicine & Health / Neuroscience
Oct 04, 2011 |
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'Promiscuous parasites' hijack host immune cells
Toxoplasma gondii parasites can invade your bloodstream, break into your brain and prompt behavioral changes from recklessness to neuroticism. These highly contagious protozoa infect more than half the wo ...
Sep 20, 2011 |
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Link between racial discrimination and stress described in new study
The consequences of psychological stress, resulting from racial discrimination, may contribute to racial health disparities in conditions such as cardiovascular disease, diabetes and other age-associated diseases. This is ...
Medicine & Health / Psychology & Psychiatry
Sep 14, 2011 |
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Sensory experience and rest control survival of newborn neurons in adults
When it comes to the circuits that make up the olfactory system, it seems that less is more. Much like the addition and elimination of extra synapses that helps fine-tune brain circuitry, the olfactory system continues to ...
Medicine & Health / Neuroscience
Sep 07, 2011 |
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