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Tag: "knows" at biology news

Chemists create 'Superbowl' molecule; May lead to better health

...en tested in animals or humans. Until then, no one knows yet when this experimental molecule will actually enter the consumer market, but any useful application is likely to take five to ten years, the researcher estimates. Administration of the molecule for drug delivery could be by mouth or by injection,...

Plants defy Mendel's inheritance laws, may prompt textbook changes

...what role this gene plays." Pruitt's team already knows that animals don't have hothead genes, either normal or mutated, so the scientists must investigate which genes might affect this novel inheritance in both plants and animals. "There are probably a lot of other triggers yet to be discovered, and thi...

Bird Brains Show How Trial and Error May Contribute to Learning

The adult male zebra finch knows only one scratchy tune learned in its youth, which it performs repeatedly and intensely when females are listening. But occasionally, the finch might improvise, experimenting with a slower, more sultry variation or emphasizing different notes. Neuro...

Photos show jaguar vamping for camera

He's beautiful and he knows it. A male jaguar recently acted like he was on a ... more than a fleeting glimpse of wildlife. No one knows why this particular jaguar spent so much time in front of the camera, where it alternatively sat, la...

Chemists identify key gene in development of type 1 diabetes

...these tests, the researchers say. Although nobody knows the exact cause of type 1 diabetes, and there is no cure, the disease can be controlled and its complications minimized by following a healthy diet, getting exercise and taking prescribed medications as directed, according to health experts. The Ins...

Towards precise classification of cancers based on robust gene functional expression profiles

...these tests, the researchers say. Although nobody knows the exact cause of type 1 diabetes, and there is no cure, the disease can be controlled and its complications minimized by following a healthy diet, getting exercise and taking prescribed medications as directed, according to health experts. The Ins...

Love's all in the brain: fMRI study shows strong, lateralized reward, not sex, drive

...y changed with the length of the romance. Everyone knows that relationships are dynamic over time, but we are beginning to track what happens in the brain as a love relationship matures." Helen E. Fisher, a research anthropologist at Rutgers University, New Jersey, noted that not only did the brain change...

Measuring hormone cuts antibiotic use in half in pneumonia patients

...sually continued for 10 to 14 days, because nobody knows when you can stop without a risk for the patient," he said. Because levels of procalcitonin have been found to be elevated in patients with bacterial infection but not viral infection or other inflammatory diseases, Dr. Tamm and colleagues decided t...

Biochemists report discovery of structure of major piece of telomerase; implications for cancer

...ly approximately 10 of the 451 nucleotides. Nobody knows what the rest of the RNA is really doing as part of this enzyme; that is what we're trying to understand. We're getting closer to answering this question." The structure reveals a "pseudoknot" that is required for telomerase activity, at whose core ...

Road salt affects mitigation wetlands

...n a rock and a hard place," says Silver. "Everyone knows that the salt is not good for the environment, but salting roads is a huge safety issue in a part of the country that gets 10 to 12 feet of snow every winter." Silver's research does show a large decrease in non-biting midges in the designated runof...

Secret of smallpox's success may lead to bioterror cure

...en you are infected with a virus and that the body knows to look for and respond to," said Jacobs. "The body responds in a lot of different ways, but the main way is it starts producing an immune response ?double-stranded RNA is very powerful in eliciting this. "What this gene in pox viruses does is make ...

AIDS Public Awareness Campaign Expands Following Report Of Rapidly Progressive HIV

... for HIV," Dr. Novello said. "Remember, this virus knows no racial, ethnic, age or gender boundaries. It is what you do, not who you are, that puts you at risk for HIV." Individuals who wish to get tested may choose to do so anonymously or confidentially. With anonymous testing, a person does not provide ...

New method shows it is possible to grow bone for grafts within a patient's body

...id so by persuading the body to do what it already knows how to do." "This research has important implications not only for engineering bone, but for engineering tissues of any kind," adds co-author Robert S. Langer, Institute Professor at the Massachusetts Institute of Technology and a pioneer in the fie...

A novel method to measure circadian cycles

Everyone knows morning people and late-night owls. The variation in individual circadian rhythms is an anecdotal as well as experimentally verified fact. But, until now, to systematically study circadian differences (and thereby hope to rout out the underlying gen...

New Lab Research May Help Those Deafened By Immune System Attack

...eafness without knowing what caused it. And no one knows why it happens. Now, new research based at the University of Michigan's Kresge Hearing Research Institute may help more patients find out quickly if steroids could help them, or if they can be spared the drugs' harsh side effects. It may also expand...

Discovery suggests why stem cells run through stop signs

Everyone knows that stem cells are controversial. Many people kno...o a muscle cell to a brain cell. But no one really knows why stem cells continue to divide and renew themselves long after the point where other cells stop d...

UCSD study clarifies insulin's role in blocking release of energy in patients with type II diabetes

...own the fat as released energy. “Somehow, insulin knows how to specifically block catecholamine-induced PKA, but not other molecules,?said Christopher Hupfeld, assistant professor of Medicine in the UCSD Division of Endocrinology and Metabolism and a co-author of the paper. “When the body has a constantly...

Tiny roundworm's telomeres help scientists to tease apart different types of aging

...like mice, which live only a few years. Nobody yet knows why. But now we have conclusive evidence that telomeres alone do not dictate aging and lifespan," says Karlseder. Each time a cell divides, its telomeres get shorter, a process called replicative or cellular aging. Some have likened this progressive...

Emerald Spectre haunts Ontario's ash forests

...hicago. If containment isn't effective, MacIsaac knows well what the future will look like. He arrived at his Windsor-area home one day in the summer of 2003 to see a neighbour cutting down 25 ash trees, among the borer's first victims. In Michigan's Wayne County, the first area infected, 60 per cent of ...

Researchers find gland that tells fruit flies when to stop growing

...es the second part of the picture ?how an organism knows that growth should stop. "There has to be a way for an animal to assess its size, and I don't think it does it by looking in the mirror," Riddiford said. ...

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(Date:7/11/2014)... July 3, 2014, Shenzhen, China Researchers from Salk ... for the first time evaluated the safety and ... and successfully developed a new method, TALEN-HDAdV, which ... pluripotent stem cell (hiPSC). This study published online ... important theoretical foundation for stem cell-based gene therapy. ...
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Breaking Biology News(10 mins):A new genome editing method brings the possibility of gene therapies closer to reality 2A first direct glimpse of photosynthesis in action 2
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