Tag: "eye" at biology news
Insight into our sight: A new view on the evolution of the eye lens
...cally remarkable structures such as the vertebrate eye
has long been a focus of intrigue and theorizing b...nt Biology, the evolutionary history of a critical eye
protein has revealed a previously unrecognized relationship between certain components of vertebrate...
2005 Science and Engineering Visualization Challenge winners announced
...scientific idea is through an image that grabs the eye
and invites viewers to wonder what they're seeing. Nine entries, each telling a scientific story with a careful balance of accuracy and beauty, have won the 2005 Science and Engineering Visualization Challenge, sponsored jointly by the National Scie...
Science magazine and NSF announce 2005 Science and Engineering Visualization Challenge winners
...scientific idea is through an image that grabs the eye
and invites viewers to wonder what they're seeing. Nine entries, each telling a scientific story with a careful balance of accuracy and beauty, have won the 2005 Science and Engineering Visualization Challenge, sponsored jointly by the National Scien...
Antibiotic resistance markers in GM plants not a risk to human health
... such as those used to treat common skin, ear, and eye
infections. In this review, authors Stephen Gillespie (University College, London) and Philippe Gay evaluate the scientific evidence regarding the impact of antibiotic-resistance markers on human health. They consider the biological barriers to the ...
The brain needs the middle ear to track depth
...t the brain receives information not just from the eye
but also from the motion-detecting vestibular syst...chers trained the monkeys to perform memory-guided eye
movements. The animals were first shown a light a fixed distance away from their head. Then the rese...
Collaborations yield new discoveries in psychiatric genetics
...ar. It is not like the simple, one-gene models for eye
color or blood type or found in such diseases as muscular dystrophy or cystic fibrosis. "The diseases we study are polygenic, meaning that many genes are likely to contribute, but how many genes there are and how they interact are unknowns," Milloni...
Research: removal of dominant rivals causes male cichlid fish to undergo remarkable transformation
...ow -- got much brighter, a black stripe we call an eye
bar appeared near their eyes, and they became much more aggressive than they were before. The remaining males also quickly paid a lot more attention to females because for the first time, they had an opportunity to reproduce." No one had any idea bef...
Entire lakes feel effects of climate warming, University of Alberta study shows
...llowed them to "see" in wavelengths what the human eye
can't and to learn about the chemical composition of the sediment in six lakes on Baffin Island. In this case, they found major increases in the concentration of chlorophyll a--a good indicator of overall ecosystem production. The research is publish...
UC Davis ophthalmologist to examine ancient Chilean mummy eyes
...ive ophthalmology, which involves the study of the eye
across species. Lloyd holds joint appointments in ...f decomposition. The thin tissues that make up the eye
allow it to dehydrate quickly and, because moisture causes decay, most mummies are found with well-p...
Sight can recover quickly in amblyopia
...o use both eyes--rather than patching the stronger eye
to encourage use of the weaker one--enables better...cent of people suffer loss of visual acuity in one eye
during early development. In their experiments, Krahe, Ramoa, and their colleagues first deprived fe...
Dietary fat intake linked to dry eye syndrome in women
...nited States, predominantly women, suffer from dry eye
syndrome, a painful and debilitating eye
disease. In the first study of its kind to examine modifiable risk factors, researchers from Brigha...
Media alert: Special sessions feature Utah's military, agriculture connections
... Utah's experience with the U.S. military, with an eye
toward the social and environmental impacts of military installations and operations in the state. Utah Agricultural Research, Past, Present and Future, H. Paul Rasmussen, Utah State University, Monday, Nov. 7 2005 - 8:30 AM, Room 250D, Salt Palac...
Color perception is not in the eye of the beholder: It's in the brain
... count the color-receptive cones in a living human eye
for the first time, and we were astonished at the ...Williams that maps out the topography of the inner eye
in exquisite detail. The technology, known as adaptive optics, was originally used by astronomers in...
Non-drug hypertension treatment device effectively reduces blood pressure in hypertensive diabetics
...P) and are at increased risk for heart, kidney and eye
disease. Now, an already available non-drug hypertension treatment device, named RESPeRATE ( www.RESPeRATE.com ), has demonstrated its ability to significantly lower blood pressure in this specific population. An interim analysis of the results of t...
Combination therapy for mouse model of human inherited blindness
...earchers have taken the first steps in treating an eye
disease that causes irreversible blindness in huma...ed for regeneration of a pigment necessary for the eye
to detect light. LCA can be caused by mutations in the gene encoding RPE65, a key protein involved i...
Finding the mind's eye
... understanding of the brain's interaction with the eye
by identifying the neural basis of conscious experience, a relationship important to the fields of medicine, neurology and psychology. Tse and his co-authors, Susana Martinez-Conde, Alexander A. Schlegel and Stephen L. Macknik of the Barrow Neurologi...
Battle to beat the bugs wins bio-firm top honour
... to be in the coating of contact lenses to prevent eye
infections. Longer-term, the company hopes the compounds can be developed into antiviral drugs that could treat diseases like HIV and hepatitis. "In the lab, apolipovirs have been shown to attack the HIV virus before it can attach itself to the cell ...
Scientists observe how a close bond activates the immune system
...re physically held in the outer ring of the bull's eye
rather than the center. "We locked the receptors ...rchers had speculated that the concentrated bull's eye
structure somehow allowed T cells to maintain their state of activation. But the new work shows that...
NSF awards support for DNA analysis instrumentation lab at Williams College
...s physical composition everything from a person's eye
color to his hair loss is the result of, or at least highly influenced by, his DNA. While much is known about the general nature of DNA, many of its precise mechanisms remain a mystery. Until recently, technological constraints severely limited resea...
Surprise! Computer scientists model the exclamation point
...onment -- and the results of experiments recording eye
movements of volunteers watching video seem to con...med this analysis, they checked it by watching the eye
movements observers watching the images, to see if the eyes followed the measure of surprise. The pa...
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