Tag: "relaxed" at biology news

Magnesium Supplements May Help Lower High Blood Pressure

...ressure. When bloodvessels are constricted -- not relaxed -- the heart works harder to pump bloodthrough the body, causing blood pressure to increase. The researchers used three different measurements to study how taking amagnesium supplement affected the blood pressures of 60 men and women with hig...

Purdue study: Aquariums may pacify Alzheimer's patients

...were exposed to the fish tanks appeared to be more relaxed andalert, and they ate up to 21 percent more food than they had before theintroduction of the fish tanks. The average increase in food consumption was17.2 percent. The study also showed a decrease in the number of instances and the durationof beh...

Your heart is being closely watched while you're asleep

.... Theresults surprised them: during the supposedly relaxed state of sleep, the intervals between heartbeatsfluctuated much more strongly, but were brought under control more quickly, showing that the heart isunder much closer control during sleep. "It was totally counterintuitive," says Ivanov. The team ini...

Gene mutation alters feeding behavior

...contraction of the muscle. In the mutant worms, it relaxed in a 20th of a second after the contraction. This meant the muscle never contracted or opened all the way. The worms could not eat much because they could not take in adequate food. "A good way to imagine this is that the pharyngeal muscle is l...

Video cameras reveal seals, whales, and other marine mammals take a laid-back approach to deep diving

...kes, then made the rest of the descent mostly in a relaxed glide. "Basically, they're turning the motor on and off in the course of the dive, and that enables them to reduce oxygen consumption by 10 to 50 percent compared with what they would need if they swam all the way down," said Terrie Williams, ...

Studies of marine mammals indicate a "breathtaking" ability to dive to great depths

...werful strokes and then continued down mostly in a relaxed glide, which greatly reduced their demand for oxygen. The scientists describe their findings in the April 7 issue of Science. The team studied Weddell seals near McMurdo Station, the NSF's principal scientific station in Antarctica as part of ...

Science study explores social memory in elephants

...If senior elephants were simply more confident and relaxed overall, they would have been less responsive to all calls. In fact, the study suggests, their social skills are better and they recognise allies more easily. The results were gained using high powered hi-fi equipment. Elephant calls were recorded ...

In harshest environments, some proteins protected by 'alternate' folding mode

... configuration, a shape that represents their most relaxed condition -- their lowest energy state. They occasionally unfold to some degree and then refold -- "breathing" as chemists call it. Whenever they do unfold, proteins risk attack by proteases designed to tear at newly exposed regions. But the alpha-...

Physics tip sheet #4 March 13, 2002

...gid, relatively simple structures in Greek to more relaxed forms in Latin. Using these tools for a comparison of the Odyssey and Iliad shows an unusually large difference in style for poems of the same period and may contribute to discussion of the authorship of Homers epics. Preprint: http://www.arxiv.org/...

Essential cell division 'zipper' anchors to so-called junk DNA

... were bound to them - then the chromatin structure relaxed to allow access to the DNA. But if the Alu sequence on the DNA was itself methylated, then the cohesin could not bind to the DNA at that site. Why these modifications might take place at some Alu sites and not others was not clear. But, taken togethe...

Even green pond scum can suffer from jet lag

...randed DNA can exist in two basic states: one is a relaxed state and the other is a state called super-coilin...direction that the rope is wound. Whether DNA is a relaxed or a super-coiled state has a big influence on how well genes can operate. So Johnson speculates tha...

Dad's coochy coos leave baby guessing

...gram failed to pick up. Or they may have been less relaxed in the lab. But the experiment does show unequivocally that the mothers and fathers talked to children differently. The only way to be sure whether babies can tell the difference would be to "ask" them- for instance, by seeing how they respond to voi...

Chimpanzees with little or no human contact found in remote African rainforest

... "Behaviors such as tool use and relaxed social interactions were only seen after years of patient habituation efforts," Morgan says of the other field studies, including Jane Goodall's site in the Gombe Stream National Park in Eas...

Pheromones in male perspiration reduce women's tension, alter hormone response

...se, the women reported feeling less tense and more relaxed during exposure to the male extract," said Wysocki, a member of the Monell Center and adjunct professor of animal biology in Penn's School of Veterinary Medicine. "This suggests that there may be much more going on in social settings like singles ba...

Supplements that increase the effects of resistance exercise identified

...=2), rostenedione (n = 3), and protein (n =4, with relaxed inclusion criteria). Of the original list of 250 substances marketed as dietary supplements, creatine (methyl guanidine-acetic acid) and HMB (-hydroxy--methylbutyrate, produced in the body and in certain foods such as catfish and alfalfa) were the...

'Europeans and biotechnology' survey of public perception

... information. Greece, Spain and Portugal are more relaxed than Austria, Sweden, Finland, Germany and Denmark. Social and cultural values and biotechnology attitudes Many Europeans are concerned about the fragility of nature and about the impact of human actions and technology upon nature. At the same ti...

Lead by example to get your kids to eat right, experts say

...milies and teach them about child development in a relaxed atmosphere. About one-third of the families are minorities. "I could never accomplish one-on-one as a dietitian what parent educators deliver to families," Nanney says. Saint Louis University used information provided by 1,000 St. Louis families and ...

'Unzipping' double helix to study protein-DNA interaction

...yet, the double helix rezips as soon as tension is relaxed so that the same bit of DNA can be recycled again and again with numerous proteins. After working on the technique for nearly three years, Wang has applied for a patent through the Cornell Research Foundation. Among other possible applications of U...

Sex selection for social reasons unlikely to skew gender balance in Germany and UK

...nger gender preferences and the Germans being more relaxed about the sex of their children. The UK respondents were also much keener than the Germans on the idea of using reproductive technology to choose the sex of their babies. But, as more than two thirds of the British expressed a wish to have an equal n...

Adolescent rodents experience milder hangover effects than do adult rodents

...in social situations, in large part to become more relaxed and sociable," said Varlinskaya. "Indeed, animal studies have shown that while under the influence of alcohol, adolescents show greater facilitation of their social interactions than adults. The current results suggest that following a drinking epi...

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(Date:4/14/2014)... orphaned by HIV/AIDS in South Africa may provide insight ... behavior issues in other areas of the world, which ... that could lead to successful interventions. , A ... United Nations mentions that due to the HIV/AIDS pandemic, ... African, children are at an increased risk for mental ...
(Date:4/14/2014)... A new study shows that moderate to severe ... risk of stroke, cancer and death. , Results of ... to severe obstructive sleep apnea were four times more ... times more likely to have a stroke (HR = ... (HR = 3.4), and 2.5 times more likely to ...
(Date:4/14/2014)... Dallas study involving serious youth offenders, the answer to one ... seven years: "How long do you think you,ll live?", According ... offending over time., Author Dr. Alex Piquero said the study ... of them offend at very high rates and commit more ... much later in life offend much less., "In a lot ...
(Date:4/14/2014)... with symptoms increasing dramatically during some of the most important ... has found. , Depressive symptoms increased on average by 68 ... young men, who were around 25 years old when they ... their children. The results of the study were published April ... is the first to identify when young fathers are at ...
(Date:4/14/2014)... Lower weight babies and babies who aren,t breastfed ... risk of developing chronic inflammation and related health ... study. , "There were good reasons to hypothesize ... inflammation in adulthood," says Thomas McDade (Northwestern University), ... in the Child & Brain Development program. "It ...
Breaking Medicine News(10 mins):Health News:Researchers identify children with emotional behavior difficulties 2Health News:Researchers identify children with emotional behavior difficulties 3Health News:Study links severe sleep apnea to increased risk of stroke, cancer and death 2Health News:UT Dallas study: Youth who fail to envision future commit more crimes 2Health News:Young dads at high risk of depression, too 2Health News:Low birth weight, less breastfeeding create later health risks 2
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