Tag: "old" at biology news

New survey documents the headaches of computerized medicine

...formation technology rather than simply automating old processes. Workflow and work life must change, which means people must adapt. Such change is deeply disruptive. The related personal and organizational challenges are enormous, yet efforts to manage change receive inadequate attention and fundingBold...

Chickadee, nutchatch presence in conifers increases tree growth, says CU-Boulder study

...m the standpoint of the trees, it appears that the old adage, 'the enemy of my enemy is my friend,' holds true." A paper on the subject by Mooney was published in the August issue of Ecology, a monthly science journal. Mooney, who received his doctorate from CU-Boulder in 2004, will become a biology ...

Testing the force of a shark's bite

... week Dr Wroe and his team dissected the five year old shark and measured the structure of its jaw and the muscles used in biting. Underwater experiments with live sharks fail to adequately indicate the force of the Great Whites bite, and the sharks have been known to bite through materials that requir...

New aerogels could clean contaminated water, purify hydrogen for fuel cells

...surements, and it allows you to wash away a lot of old assumptions about what kinds of materials you can and cannot look at," Chupas said. ...

Presence of wolves allows aspen recovery in Yellowstone

... tree species, and numbers of large trees 70 years old or more but practically nothing in between. High populations of grazing ungulates, primarily elk, had grazed on the small tree shoots at leisure and with little fear of attack. But the ecological damage, researchers say, went far beyond just trees...

U-M team identifies gene that regulates blood-forming fetal stem cells

...ife. Last September, Morrison's team reported that old stem cells don't simply wear out; a gene called Ink4a actively shuts them down. "Each time we identify one of these genes, we get a new insight into what stem cells really are, what regulates their identity and how their age-specific functions work...

How to structure a complex body plan

...xamined 16 morphometric parameters on 136 one-year old colonies, all developed from different types of isolated branches, and found that the plastic morphometric characters are associated with the branch level whereas the fixed, predetermined morphometric traits are associated to the colony level. In a...

Brain's 'hearing center' may reorganize after implant of cochlear device

...nts, worked with deaf subjects from 16 to 74 years old and found that younger subjects and those with a shorter history of deafness showed changes that mirrored patterns in people with normal hearing more closely. The results were published in the July 18 Journal of Neuroscience . "The results imply a...

1 in 4 NYC adults has elevated blood mercury levels

...eastfeeding women. Among women 20-49 years old in New York City, the average blood mercury level is 2.64 g/L (micrograms per liter), three times that of similarly-aged women nationally (0.83 g/L). Approximately one quarter of New York City women in this age group have a blood mercury level at...

Effects of aging in stem cells

...tem cells combat the aging process by replenishing old or damaged cellsparticularly in the skin, gut, and...t al. isolated HSCs from young (aged 2 months) and old (aged 21 months) mice and then transplanted either young or old cells into mice whose bone marrow ce...

Increase in creeping vines signals major shift in southern US forests

...ere was any difference in vine density between the old growth and newer forest. During each survey session researchers would count the number of vine stems in each plot, identify new and dead stems, and look at vine growth from previous surveys. Vine density in the old-growth, Congaree forest nearly ...

Throwing motion in young baseball players may actually protect shoulder

... that children need a break from throwing: In the old days kids pitched in the summer and then played basketball or football in the winter. That was better for growing children. Now, some children play baseball 12 months a year. That can be a problem. Shoulder changes that go beyond adaptation can l...

The origin of perennial water-ice at the South Pole of Mars

...water-ice. They are sitting on top of million-year old layered terrains and provide strong evidence for a recent glacial activity. However, only now a realistic explanation for the age of the deposits and the mechanism of their formation could finally be suggested. This was achieved thanks to the OMEGA ...

Homestake strikes gold again

...d geology, including whether there are new or very old forms of life underground. Added Lesko, Experiments at SUSEL will also open entire new avenues for basic engineering studies that could extend our understanding of rock properties, create and stabilize future excavations, and develop new technologi...

Fat horses face health problems

...hey studied 300 horses, ranging from 4 to 20 years old from 114 farms, chosen randomly from over 1,000 animals in the VMRCVMs field service horse population. The horses were studied between 6 a.m. and 12 noon, prior to any grain or concentrate consumption, which can alter glucose and insulin levels. ...

Oldest DNA ever recovered suggests earth was warmer than previously believed

...y have not found any uncontaminated DNA that is as old or older than the Greenland samples. Sharp and his PhD student Joel Barker contributed to the research by providing DNA samples from the silty ice of much younger glaciers (3,000 years-old) on Ellesmere Island in Arctic Canada. The Canadian DNA sa...

Coaching computer canines in clambering

...1.6 centimeters a second, a little faster than the old 1.2 cm/sec of the old Mars Sojourner robot. The goal in the next phase of the study is to triple the speed and double th...

New imaging method clarifies nutrient cycle

...hod to a biological system, helping to clear up an old puzzle of the global carbon and nitrogen cycle. Their study appears July 5 as an advanced online publication of The ISME Journal, at www.nature.com/ismej. A state of the art NanoSIMS instrument (short for nanometer-scale, secondary ion mass spect...

New approaches to endometriosis treatment -- mouse experiments point the way

...ol group, and we also found that the percentage of old blood vessels in these groups were higher, says Dr. Novella-Maestre. The total number of the blood vessels was not dissimilar in the treatment and control groups, but the ratio of new/old blood vessels, the numbers of cells growing in the endometria...

Extracting eggs from pre-pubertal cancer patients brings hope for future fertility

...s in the follicles of girls between 5 and 10 years old who had not reached puberty. We were able to ext... For example, we found 7 eggs in a girl of 5 years old with Wilms tumour, 8 in an 8 year old with Ewings sarcoma, and 17 in a ten year old, also with Ewing...

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(Date:4/15/2014)... The Royal Netherlands Academy of Arts and Sciences (KNAW) ... who have been awarded prestigious Heineken Prizes (one million ... the Heineken Prizes for their great merits to science. ... first Heineken Prize, awarded to the Austrian-American chemist Erwin ... this year,s Heineken Prizes to the following laureates: ...
(Date:4/15/2014)... that the genetic code is far more complex ... building blocks adenine, cytosine, guanine, and thymine, numerous ... assume that the newly discovered nucleic acid modifications ... extends and complements the genetic code. "The new ... standard alphabet," explained Professor Mark Helm of the ...
(Date:4/15/2014)... April 15, 2014 New research, partially funded by ... Federation, shows that consumers can improve their diets simply ... their daily meals. , In a ... and Nutrition Sciences , lead author Theresa Nicklas, DrPH, ... and Nutrition Examination Survey datasets from 2005-2010 and evaluated ...
Breaking Biology News(10 mins):Five scientists awarded prestigious Heineken Prizes 2German Research Foundation approves new priority program in the life sciences 2Eating rice boosts diet quality, reduces body weight and improves markers for health 2Eating rice boosts diet quality, reduces body weight and improves markers for health 3
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