Tag: "intermittently" at biology news

Brain differences in adolescents, psychopaths, lend to their impulsive, risk-taking behavior

...' immature decision making. The researchers intermittently administered primary rewards of squirts of juice and water to adolescents aged 13 to 17 and to adults aged 30 to 50, while simultaneously viewing their brain activity with functional magnetic resonance imaging. The adolescents' brains showed signific...

Fasting intermittently reduces cell proliferation, a marker for cancer risk, study finds

.... "Cutting just a few calories overall but feeding intermittently may be a more feasible eating pattern for some peo... of those for the control group mice, and mice fed intermittently had results that were 37 percent of those for the control group. The researchers said this may be pa...

Attacks of King George III's madness linked to key metabolism molecule

... of modern researchers believe plagued King George intermittently throughout his tumultuous reign, can be brought on by fasting and exposure to certain drugs, and is successfully treated by feedings of sugar and high-carbohydrate food. A biological explanation for these nutritional effects has been lacking. The Dan...

Just like us, social stress prompts hamsters to overeat, gain weight

...the intruder hamsters that were placed in the cage intermittently (at unpredictable times) showed comparable weight and fat gain compared to those placed in a foreign cage consecutively (at regular times). However, while the intermittent group increased on all measures of fat gain, the consecutive group increased o...

Einstein researchers take the pulse of a gene in living cells

...ene is transcribed in a single cell--continuously, intermittently or some other way--has largely been a mystery. Now, in observing a gene that plays a major role in how an organism develops, the Einstein researchers observed a phenomenon that until now has been indirectly observed and only in bacteria: pulses of t...

Primates take weather into account when searching for fruits

...ecological challenges associated with foraging for intermittently available food such as ripening fruit. *For expert commentary on this work, be sure to see the related Dispatch in this issue of Current Biology from Dr. Michael Platt: "Animal Cognition: Monkey Meteorology."...

Mother deer cannot recognize the calls of their own offspring but sheep and reindeer can

...o avoid detection by predators, and mothers return intermittently to feed them," write Marco Torriani, Elisabetta Vannoni, and Alan McElligott. "Vocal communication is very important for ungulate hider species because mothers and offspring rely on contact calls for reunions to occur." The researchers tested vocal ...

Call for EU to launch major project to map out all our proteins

...st one has been found, given that some are present intermittently or in small amounts and can easily be missed during analysis. Mass spectrometry is used to perform this analysis and identify proteins in complex samples, after applying some technique such as chromatography to separate out the individual proteins. T...

Instant steam takes on MRSA

...reating truly portable steam that can be generated intermittently on demand, says Dave Wardle, business development director at Oxford Catalysts. The company is already in talks with UK specialist steam supplier OspreyDeepclean about possible applications for steam cleaning hospitals, Wardle adds. An as-yet unpub...

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(Date:10/30/2014)... York | Heidelberg, 30 October 2014 Biological membranes ... better understanding of adsorption of solution ions onto ... cells. Now, a new study provides a quantitative ... surrounding solution ions. Joanna Kotyńska and Zbigniew Figaszewski ... authors of a study describing these findings, just ...
(Date:10/29/2014)... kind to date, researchers have used DNA sequencing to ... autism. Joseph Buxbaum, Ph.D., Icahn School of Medicine at ... Institute of Harvard and MIT, and their colleagues examined ... and unrelated people. They identified changes in 107 genes ... autism spectrum disorder (ASD) – a jump from the ...
(Date:10/29/2014)... sunlight to make their food, but they also need protection ... discovered a group of molecules in plants that shields them ... Journal of the American Chemical Society , one team reports ... , Timothy Zwier and colleagues at Purdue University note that ... cause serious damage to plant DNA and, as a result, ...
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