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Tag: "prefer" at biology news

Yellowstone microbes fueled by hydrogen, according to U. of Colorado study

... the hot springs communities revealedthat they all prefer hydrogen as an energy source. They also observedubiquitous H2 in all the hot springs at concentrations sufficient formicrobial bioenergetics.Thermodynamic models based on field data confirmed that hydrogenmetabolism was the most likely fuel source in...

Termites feed through good vibrations

... Evans says different termite species are known to prefer eating particular sizes of wood; certain drywood termites prefer small blocks, presumably to avoid competition. With Professor Joseph Lai and his students from the U...

Amino acids in nectar enhance butterfly fecundity: A long awaited link

...t experiments have shown that butterflies actually prefer nectars with a high amino acid content. These findings led to speculations about the significance of nectar amino acids for butterfly fitness and insinuated that butterflies have acted as agents of natural selection on nectar composition. In order ...

Bird Brains Show How Trial and Error May Contribute to Learning

...ly altered by LMAN stimulation and whether females prefer the stable or variable song version. ...

Children's taste sensitivity and food choices influenced by taste gene

...o mask unpleasant tastes in food, and thus come to prefer it more. Whatever the explanation, this is an important puzzle to solve." Unlike children, bitter receptor genotype did not influence sweet preference in adults. Instead, effects of race/ethnicity were the strongest determinants. Mennella comments, ...

Cricket's finicky mating behavior boosts biodiversity

...ms: "What turns a female cricket on? Why does she prefer one pulse rate over another? Whatever the reason, it's very important that she exercise this preference in order to keep the species distinct." Mendelson spent three and one-half years studying the Laupala cricket with Kerry Shaw, an evolutionary bi...

Live fast, die young true for forests too

...uch changes might affect wildlife populations that prefer younger or older forests, said van Mantgem. Stephenson and van Mantgem pointed out that increased dominance by younger trees could also lead to changes in the amount of carbon stored in forests, though the direction and magnitude of such potential c...

Friendly bacteria in humans may protect against HIV

...lock HIV, however, we needed to find bacteria that prefer the unusual sugar mannose and thus can capture it." To identify bacteria that target mannose, Tao and his colleagues isolated oral and vaginal lactobacilli from healthy humans and tested the ability of different strains to bind to baker's yeast, ano...

Rhesus monkeys can assess the visual perspective of others when competing for food

... these results reveal not only that rhesus monkeys prefer to steal food from a competitor who cannot see them, but also that they know exactly how blocking or averting one's eyes can render one unable to see. Thus, even without any training, these monkeys were able to accurately consider the visual perspect...

Scientists discover odd-ball rodent

...s known about the Kha-Nyou, other than it seems to prefer areas of limestone outcroppings and forest cover, and it appears to be a nocturnal vegetarian. It also gives birth to one offspring at a time, rather than a litter. Dr. Timmins, who also discovered a new species of striped rabbit from the same regio...

Certain fish have a special mating preference

...ouis has shown that for some fish species, females prefer males with larger sexual organs, and actually choose them for mating. That does not exclude males with an average-sized sex organ, called a gonopodium. These fish out-compete the larger-endowed males in a predator-laden environment because they have ...

IMF Launches World’s First DNA Database for Myeloma Patients

...ouis has shown that for some fish species, females prefer males with larger sexual organs, and actually choose them for mating. That does not exclude males with an average-sized sex organ, called a gonopodium. These fish out-compete the larger-endowed males in a predator-laden environment because they have ...

ORNL, UC Berkeley unravel real-world clues to Earth's mysteries

...level of 7 is considered neutral and most proteins prefer pH levels between 5 and 7. The water trickling from the mine has a pH of about 0.8 and a temperature of 107 degrees Fahrenheit. "This microbial community is thriving at the extreme edge," said Bob Hettich, a co-author and member of ORNL's Chemical S...

Drug Offers Alternative to Surgical Treatment After Miscarriage

...any women, grieving from the failed pregnancy, may prefer not to wait. Occasionally, the uterus may fail to expel the remaining fetal tissue, and in some of these cases, the uterus may become infected. Within the last few years, physicians have used misoprostol to treat pregnancy failure, and some research...

Sleeping Sickness Epidemic Spreading in Uganda

...any women, grieving from the failed pregnancy, may prefer not to wait. Occasionally, the uterus may fail to expel the remaining fetal tissue, and in some of these cases, the uterus may become infected. Within the last few years, physicians have used misoprostol to treat pregnancy failure, and some research...

Nicotine triggers the same brain reward circuitry as opiates

...th receiving nicotine, finding that the mice would prefer to stay in that chamber when given a choice. The researchers found that just placing the conditioned mice in the chamber activated CREB. They also found that naloxone blocked this conditioned increase in CREB, and that mutant mice lacking CREB or pre...

Gambling monkeys give insight into neural machinery of risk

.... "There was no rational reason why monkeys might prefer one of these options over the other because, according to the theory of expected value, they're identical," said Platt. The researchers also tested whether the monkeys were simply responding to the novelty of the risky target. "We wondered whether ...

Hopkins scientists uncover 'tags' that force proteins to cell surface

...ll. Also, scientists have long known that proteins prefer to stay put in this factory, the endoplasmic reticulum, unless they contain specific transportation instructions, much like an internal shipping label. To figure out what tiny sequences might label the protein for delivery to the cell surface, Shika...

DNA size a crucial factor in genetic mutations, study finds

...re now exploring ''the funny finding that the bugs prefer DNA that's larger than natural DNA'' by making larger nucleotides. ''Size and shape are related issues, so we're interested now in keeping the size constant and changing the shape,'' Kool adds. ...

Viagra's hidden help for wildlife

... the many other ailments for which consumers still prefer TCM treatments. Furthermore, Viagra differs from many other Western drugs, in that the effects are rapid and visible to the naked eye. "The fact is that prior to the commercial availability of Viagra in 1998, no product in any medical tradition had ...

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(Date:9/30/2014)... (LMU) in Munich report that a new class ... to chemotherapeutic drugs. They have also pinpointed the ... for anti-tumor agents. , Researchers led by ... of the Technische Universitt Mnchen have identified a ... weapon in the fight against malignant tumors. The ...
(Date:9/30/2014)... a suite of perilous threats in today,s ocean. ... climate change, fragile coral ecosystems are disappearing at ... some species of corals surrounding the island of ... in their tropical environment: coral guard-crabs. New research ... Marine Station scientist Seabird McKeon and the museum,s ...
(Date:9/29/2014)... DC September 29, 2014 -- Plants have ... bacteria help the pants extract nutrients and defend ... pathogens from contaminating fruits and vegetables. Now, scientist ... bacteria inside of seeds; thus ensuring that sprouting ... from the University of Notre Dame, presented their ...
Breaking Biology News(10 mins):Cancer therapy: Driving cancer cells to suicide 2Smithsonian scientists discover coral's best defender against an army of sea stars 2Plants prepackage beneficial microbes in their seeds 2
(Date:9/30/2014)... "brain tsunamis" in injured patients without opening the ... thanks to pioneering research at the University of ... led by Jed Hartings, PhD, research associate professor ... College of Medicine, has shown that spreading depolarizationselectrical ... tsunami wavescan be measured by the placement of ...
(Date:9/30/2014)... News) -- Sleep apnea is a potential health risk for ... possible culprit behind the disorder: a "fat" tongue. "This ... increased in the tongue of obese patients with obstructive sleep ... Sleep Center at the University of Pennsylvania Medical Center, said ... publish the findings Oct. 1. Sleep apnea is a ...
(Date:9/30/2014)... University] Autism is no stranger to the children ... nation is access to clinical services, including reliable diagnosis ... for example, validated for use in Swahili, a major ... however, researchers at Brown University and the University of ... they implemented at two sites in the country and ...
(Date:9/30/2014)... passed in 2003 to slow the spiraling costs of ... Medicare patients has had no meaningful impact on cancer ... the Journal of Clinical Oncology published online ... to treat colorectal and lung cancers, and did not ... drugs following the implementation of the recent Medicare law ...
(Date:9/30/2014)... NY (PRWEB) September 30, 2014 ... demand have hampered growth in the Bread Production ... have caused consumers to moderate their consumption of ... preferences for premium varieties shrunk the market for ... Successful operators proactively responded by introducing more nutritious ...
Breaking Medicine News(10 mins):Health News:Researchers show EEG's potential to reveal depolarizations following TBI 2Health News:Researchers show EEG's potential to reveal depolarizations following TBI 3Health News:Could a 'Fat Tongue' Be a Factor in Sleep Apnea? 2Health News:New diagnostic approach for autism in Tanzania 2Health News:New diagnostic approach for autism in Tanzania 3Health News:New diagnostic approach for autism in Tanzania 4Health News:Landmark Medicare law had little impact on reducing chemotherapy cost 2Health News:Bread Production in the US Industry Market Research Report from IBISWorld Has Been Updated 2Health News:Bread Production in the US Industry Market Research Report from IBISWorld Has Been Updated 3
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