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Tag: "choose" at biology news

Just the expectation of a mirthful laughter experience boosts endorphins 27 percent, HGH 87 percent

...e control group stayed in a waiting room and could choose from a wide variety of magazines," he explained. *Paper presentation: "Beta-Endorphin and HGH increase are associated with both the anticipation and experience of mirthful laughter," 12:30 p.m.- 3 p.m. Sunday April 2, APS Behavioral neuroscience &a...

Secrets of the sea yield stronger artificial bone

...ange of length scales, with scientists' ability to choose from an unlimited number of material combinations. "People want a strong, light, and porous material, which is almost a contradiction in terms, but nature does it," says Tomsia. "Bone is made from calcium phosphate and collagen, which are both extre...

US woman gives birth to baby from world's first frozen donor egg bank

... The infertile woman is given the opportunity to choose the timing of her pregnancy, without involving the ongoing life and complications of a third party donor, by selecting and purchasing the eggs when she is ready to proceed. Also, the use of frozen donor eggs greatly reduces any of the current healt...

BioMed Central launches Biology Direct

...of selecting one's own reviewers is the ability to choose people who will at least understand the article, since in so many new areas of biology finding the appropriate reviewers can be part of the problem of the conventional peer-review system." This novel review process gives the author the opportunity t...

Some like it hot: Worms at deep-sea vents favor a fiery 45-55°C

...l aquarium, leaving the deep-sea creatures free to choose any temperature between 20 and 61 degrees Celsius ...nto similarly hot areas to obtain food, but do not choose to remain in superheated environs as Alvinellids do. "We speculate that these worms have evolved to...

Plant-derived vaccines safeguard against deadly plague

...combinant subunit vaccine is that you can pick and choose selective antigens that can confer protection and limit the potential for adverse reaction," said Mason. More than half the vaccinated animals survived the challenge with all forms of the antigen, and guinea pigs vaccinated with V antigen alone had ...

St. Jude projects 90 percent cure rate for ALL

...ly; these findings have also allowed clinicians to choose the optimal drugs and drug dosages for individual patients. The improvements in ALL treatment are also helping to reduce the long-term toxic side effects of therapy by enabling clinicians to reduce or avoid the use of certain drugs or radiation that...

Report finds cruise industry is protecting the precious places it visits

...nservation and community development projects; and choose and promote environmentally and culturally responsible shore operators and recreation providers to serve their passengers. Governments: Governments should examine creative financing tools such as trust funds, or concession agreements that provide r...

Neuroscientists discover new cell type that may help brain maintain memories of smells

...dy was the discovery that Blanes cells selectively choose to talk with another cell type in the olfactory bulb, the granule cell. It is this specific pattern of connections that explains how Blanes cells can have such a disproportionately large impact in the olfactory system. Discovering how one brain cel...

Attractive birds more immune against bird flu

...way they do but also help explain why animals that choose their own mates produce healthier offspring than animals whose mates are selected by humans. ...

Honeybee decision-making ability rivals any department committee

...almost twice as long. To study whether bees always choose the best site, the researchers offered swarms four small and one superior site in size. Although the superior site was never the first one found, it was almost always chosen. These group decision-making methods, which include an open forum of ideas...

Novel molecular 'signature' marks DNA of embryonic stem cells

... in ES cells, but largely disappear once the cells choose a direction developmentally," said Bernstein. "This suggests they play a significant role in regulating the cells' unique plasticity." The remarkable design of bivalent domains, which has not been previously described, merges two opposing influence...

When mice choose mates, experience counts

...ed that social influences do play a role in how we choose our friends and partners." ...

Attention shoppers: Researchers find neurons that encode the value of different goods

...his experiment, Padoa-Schioppa had macaque monkeys choose between two types of juice offered in different am...en juice type and juice quantity. The monkey might choose grape juice when one or two drops of apple juice were available. However, the monkey might be indiff...

Picking particles faster than one at a time

...s even with an expert eye," says Adiga. "Having to choose hundreds of thousands of particles is a bottleneck in the process of single-particle reconstruction." Automatic particle-picking methods have been devised to meet this challenge, but until now even the best yield more than 30 percent false positive...

Plants, too, have ways to manage freeloaders

...nships and create plants with a reduced ability to choose among root bacteria. "It's important to look at t...is? Have we bred out of crop plants the ability to choose their root bacteria?" ...

GROWing the next generation of water recycling plants

...astewater management system. "We had to carefully choose which semi-aquatic plants to use. One of the most successful is water mint, whose roots have disinfectant qualities," says Professor David Butler, who oversees the project at Imperial College. The other plant species include the yellow flag iris, mar...

Worms know bad food when they smell it

...nce of P. aeruginosa was enough for the worms to choose E. coli instead. From these experiments, it wa...or the worms to navigate through, allowing them to choose from several varieties of bacteria. "Now we could do things like compare the good bacteria they know...

Do the Europeans turn ill sitting up so late?

...Dr. Tarja Porkka-Heiskanen (Stenberg) says:"We can choose relevant courses from the available universities, schools and research societies and provide the trainees with a versatile education. The main objective of the training is that the trainees acquire a wide international knowledge as well in basic re...

Genetic testing still smart choice, despite uncertainties

...chers. "When we biopsy an eight-cell embryo, if we choose (the one) normal cell in an abnormal embryo, we may think that embryo is normal and transfer it. "This occurs about 1 percent of the time, which means 99 percent of the time we will be accurate. Again the error is not due to a technical mistake but...

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