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Tag: "swings" at biology news

Scientists find hormone activity explains adolescent mood swings

...ing hormones" of puberty are known to produce mood swings and stress for most teenagers, making it difficult to cope with this period of life. Until now, the specific causes of pubertal anxiety have not been identified, making it harder to understand and treat adolescent angst. In the current edition of t...

Nobel Laureate finds 'elegant' explanation for DNA transcribing enzyme's high fidelity

...ng NTP reaches the addition site, the trigger loop swings from its usual position some distance away until i...ugar, phosphate and location when the trigger loop swings into position,?Kornberg said. “If it is misaligned even slightly, that set of contacts cannot occur....

New mechanism explains glucose effect on wakefulness

...tness needed for seeking food. That same machinery swings the other way after a hearty meal, as exemplified by the long and honored custom of the siesta. However, scientists have understood little about how the basic energy molecule, glucose, regulates such wakefulness and other energy-related behaviors. N...

Marine 'dead zone' off Oregon is spreading

...nificant role in these events. "We're seeing wild swings from year to year in the timing and duration of winds favorable for upwelling," said Jack Barth, an oceanographer with PISCO and the OSU College of Oceanic and Atmospheric Sciences. "This change from normal seasonal patterns and the increased variabi...

Bacteria beat the heat

...onditions. This may protect the cells from harmful swings in enzyme activity. We can envision using this knowledge, for instance, to facilitate enzymatic reactions in different applications, enhance crop production in areas subject to extreme temperature changes or create new resources for biofuel productio...

Seeing the forest and the trees

...sure of "biological insurance" that prevents large swings in carbon sequestration or any other service a healthy forest provides such as soil stability or fruit production that might arise from a single extinction scenario. "In general, we found that when you have more species, things are more predictable,...

Africa to take it on chin again with climate change

...aleoclimate records show that even greater climate swings have occurred in Africa's monsoons, most likely related to past variations in solar output and in Earth's orbit. "From a paleoclimate perspective, the recent African dryings appear to be neither unusual nor extreme," says Hurrell. Monsoon rains, cri...

Leprosy microbes lead scientists to immune discovery

...s, equipped for the two roles. The innate response swings into action when invading microbes are detected by molecules called Toll-like receptors (TLRs) that stick out of the cell's outer membrane, serving as a trip-wire to raise the alarm. The TLRs spur the monocytes to differentiate into the two rapid res...

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(Date:7/11/2014)... Social animals often develop relationships with other group members ... In wild chacma baboons the strategy for grooming activities ... are just published in the scientific journal Biology ... of baboons is not practiced without ulterior motives. To ... for the individual, while grooming another individual can provide ...
(Date:7/11/2014)... July 11, 2014 Researchers have pioneered a ... The new technology, called Virtual Finger, allows scientists ... like neurons and synapses using the flat surface ... makes 3D imaging studies orders of magnitude more ... unprecedented level across many areas of experimental biology. ...
(Date:7/11/2014)... marginal division of the striatum is also involved ... degree of substance P in the striatal marginal ... and his team, College of Biophotonics, South China ... substance P receptor, neurokinin 1 was highly expressed ... normal rats. Unilateral or bilateral injection of an ...
Breaking Biology News(10 mins):Baboons groom early in the day to get benefits later 2Virtual finger enables scientists to navigate and analyze complex 3D images 2
(Date:7/11/2014)... 11, 2014 (HealthDay News) -- Children who have ... for complications and potentially even death than those ... study. However, the Johns Hopkins researchers noted ... The researchers analyzed data on nearly 440,000 simple ... underwent over a 22-year period. The surgeries ...
(Date:7/11/2014)... July 11, 2014 The report ... Specialty Nutrients, Animal Feed), Applications (Regular, Therapeutic, Preventive ... Global Trends & Forecasts to 2019 ” defines ... analysis and forecasting of the market value of ... the driving and restraining factors for the global ...
(Date:7/11/2014)... 2014 Global enterprises today are shifting ... day-to-day management activities. Managed services offer these global enterprises ... economic slowdown resulted into rising operational costs to companies. ... considered to be the global market driver for expanding ... global managed services market is estimated to grow from ...
(Date:7/11/2014)... (PRWEB) July 11, 2014 As reported ... and FiercePharma (Weintraub 7/11/14), a significant number of severe ... sugar, abdominal issues and even death from the highly-promoted ... According to the Times report , a regulatory ... 2013 reported by patients was almost 14% of prescriptions, ...
(Date:7/11/2014)... kind has found that organic foods and crops ... counterparts, including more antioxidants and fewer, less frequent ... unprecedented 343 peer-reviewed publications comparing the nutritional quality ... including fruits, vegetables, and grains. The study team ... organic and non-organic foods. , "Science marches ...
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