Tag: "found" at biology news

Duke Ecologist Says Logging Is Creating 'Mahogany Deserts'

...tanaRoo on Mexico's Yucatán peninsula. She found that mahogany trees there were sparsely dispersed ...growing under the forest canopy. Any seedlings she found wereinstead "on roadsides and abandoned agricultural fields," shesaid. Back in the forest, Snook al...

Discovery Of Cell Sites May Shed Light On How Bodily Systems Interact

...nimalgrowth and disease. First, the receptors were found on cells in the pituitarygland, and, second, they were on somatotrope cells, which make growth hormone.Previous theory held that they were on corticotrope cells, makers of stresshormones. The research, directed by Keith Kelley, a University of Illin...

Green Glow: Not Only For Halloween

...e protein, called green fluorescent protein (GFP), found in a Pacific Northwest jellyfish. National Science Foundation-supported biologists James Remington of the University of Oregon and Roger Tsien of the University of California at San Diego have determined the structure of an altered form of th...

Researchers Find Genetic Clues To Intestinal Disease

...shed in the March issue of Lancet, the researchers found that the disease occurs earlier in life in people ...issue of Gastroenterology, the Hopkins researchers found that, although the disease can cause a variety of symptoms, it tends to strike the same part of the ...

Gene Discovery Could Overcome Aluminum Barrier To Higher Wheat Yields Worldwide

...ntist and colleagues in three other countries have found a gene in rye that could help wheat, a major food...e enables wheat to resist toxins in aluminum often found in acid soils. "No plant likes aluminum," he said. "It limits crop productivity on a large scale a...

'Juliet' Evades Primate Center Expedition

...aw us, they would run away," Glander said."We also found a lot of lemur traps and extensive cutting of tree...here Romeo had been captured three years ago, they found a heavilylogged forest with no lemurs in sight. The capture effort will continue, said Glander, wit...

Changing Continental Runoff Patterns Could Change Ocean Circulation

...ddle latitudes called the Tethys Sea. "What we found is that during the early Eocene, the oceans' deep water formation patterns may have been sensitive to variations in continental runoff," Bice told attendees today (Oct. 29) at the annual meeting of the Geological Society of America in Denver. ...

An Equal Opportunity Extinction? Cincinnati Geologists Find Global Impact from Permian Die

...opods, which were diverse groups at the time, they found notrend at all. "Early on, I expected to see that ...cording to the geographic region inwhich they were found during the Permian. This allowed him todetermine whether one region was hit harder than another. His...

UC Berkeley, U.S.G.S. Scientists Discover Microscopic Invader Of San Francisco Bay, The First Known Marine Microbe Invader Of U.S. Waters

... best known from their abundant fossils, which are found in such profusion and diversity they are used to d...ay has spread widely throughout the bay and is now found in large numbers at many sampling sites. The introduction of an exotic organism that spreads as rap...

Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms

...s last summer that ALH84001, a meteorite from Mars found in Antarctica's Allan Hills, may contain fossils o...ndance of meteorites. Since 1976, the program has found more than 7800 specimens, including samples of the Moon and Mars, expanding knowledge of the primeva...

Genetic Makeup May Explain Why Some Women Smokers Develop Breast Cancer While Others Don't, UB Study in JAMA Reports

... as slow or fast acetylators. No relationship was found between genotypes and risk of breast cancer among premenopausal women who smoked. Christine Ambrosone, Ph.D., who conducted the research while a post-doctoral fellow in the UB Department of Social and Preventive Medicine, said the findings prov...

Animal Studies Indicate Aging Brain Responsive To Estrogen

WASHINGTON -- Duke researchers have found that aging female rats treatedwith estrogen show more connections in a brain area associated with memoryformation than did similar untreated rats. The scientists believe theirfinding offers evidence that minor memory losses sometimes associated witha...

Medicinal Leech May Offer Clues To Neural Regeneration

...tie Sahley and research assistant Orie Shafer have found that nitric oxide synthase, or NOS, is activated w...eneration to occur," she says. NOS, an enzyme also found in humans, produces a "signaling" molecule that sends chemical messages throughout the body to incit...

Impact of Meteorites, Drop in Sea Level Caused Mass Extinctions 65 Million Years Ago

...factors," says Marshall. Marshall and Ward found evidence for a decline in the abundance of species...ropped substantially. In addition, the scientists found that there was a mass extinction of species most likely caused by the impact of the asteroid or come...

Duke's Russian Laser Making Ultraviolet Light And Gamma Rays

...l tissue to alter the eye's shape. But doctorshave found that "193 nanometers isn't necessarily the best match, noris the pulse structure or peak power generated by excimer lasers ideal forthis procedure," Madey said. Since the OK-4 is much more flexible than excimer lasers, the Russian device"will allow ...

Cornell Scientists Find Way To Boost Rice Crop Yield -- They'll Walk On The Wild Side

...d's major agricultural crops. "We've gone back and found wild species that contain genes that may help us boost production," said Steven D. Tanksley, Cornell's Liberty Hyde Bailey Professor of Plant Breeding and Biometry. "The world is only so big, the population is growing and we need to continue feeding...

Recruiting Mole-Rats

...r recruit family members to the site of food they found than eat the food themselves. The biologists watc... had traveled to the other side of the maze. They found that recruits followed the scouts' trails but not their directions. When tunnels through which scou...

Twin Study May Ease Parents' Concerns About Late Talkers, Underscores Impact Of Environment On Language Development

...l Genetics at the University of Colorado, Boulder, found thatlanguage comprehension rather than spoken lang...ligence testsat 24 months. Furthermore, the study found that environment had a greaterimpact on how many words a child understood, while genetic andenvironm...

Bacterial Protein Structure Hints At Mechanism Of A Class Of Premature Aging Diseases

...id. Recently, helicase malfunction has been found responsible for a classof genetic diseases including Werner's syndrome and Cockayne's syndrome, premature aging syndromes; Bloom's syndrome, a type of dwarfism; and somekinds of skin cancer. Understanding of these diseases on the molecular levelis mi...

Researchers Develop Model Using Birds As Indicator Of Wetlands Health

...."Researchers at the University of Cincinnati have found thatcounting birds can provide important informati...Styer, Coleman learned to identifyspecies commonly found in the Greater Cincinnati area. Then, hetracked bird occurrences in five Indiana and Ohio wetlands a...

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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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