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Blind in Biological News

Researchers develop flow sensors based on hair structures of blind cavefish

... A blind fish that has evolved a unique technique for ... group of researchers to mimic the hairs of these blind cavefish in the laboratory. While the fish ... the underwater flow measurements made by the blind cavefish. This research was sponsored by the ...

Facial expressions of emotion are innate, not learned, says new study

... first of its kind to demonstrate that sighted and blind individuals use the same facial expressions, ... compared the facial expressions of sighted and blind judo athletes at the 2004 Summer Olympics and ... between the facial expressions of sighted and blind individuals was almost perfect," Matsumoto said. ...

Hybridization partially restores vision in cavefish, NYU study finds

... Hybridizing blind cave fish from different cave populations can ... The study examined four populations of blind cave fish, Astyanax mexicanus, which inhabit different caves in northeast Mexico. blind for millennia, these fish evolved from eyed, ...

'Twinkle after-effect' can help retinal patients detect vision loss quickly and cheaply

... identify the location and breadth of actual blind spots in people with retinal disease. The twinkle ... is a twinkling that people can see in a blind spot when they stare at a blank screen after ... many people fail to seek help when they develop blind spots in their vision, because their brains ...

Adult brain can change, study confirms

... depriving a region of cortex and creating a blind area in the upper left visual field. The ... in the lower left visual field (below his blind area). The researchers hypothesized that the ... BL saw nothing when a square appeared in his blind area. But when the square appeared just below ...

Our 'caveman logic' embraces ESP over evolution

... are overextended to modern times," says Madeleine Van Hecke, author of blind Spots: Why Smart People Do Dumb Things. Maggie Jackson, author of ... Davis reveals the deep roots of humanity's weakness for superstitions, blind assumptions and primitive thinking, and shows how we can start to overcome ...

Gene therapy restores vision to mice with retinal degeneration

... that the treated mice which otherwise would have been essentially blind had enough vision to find a darkened refuge in an otherwise brightly-lit ... in a human retina might allow someone who otherwise would be totally blind to read newspaper headlines, but the slowness of the response would be a ...

Seeing through the skin

... might have evolved over millions of years. Extra-Ocular Sight for the blind "Some people have claimed that they possess the ability to see with ... he believes, skin vision could lead to new therapies for helping the blind regain sight and even read. Skin vision is not uncommon in nature. ...

Killer whales, blind bats, discriminating dolphins, mating birds

... will improve many people's lives, such as a new sonar device to help the blind navigate their environment. This news release highlights just a few of ... 6:20 p.m. on Tuesday, July 1 in room 342B. 8) A SONAR SYSTEM FOR THE blind Echolocation is a method of perceiving the world by emitting noises, ...

Restoring sight, advances in fertility treatments and better visibility for pilots at FIO

... in the ultimate goal of providing limited vision to those rendered blind by certain diseases, via a fully implantable retinal prosthetic device. ... years ago that direct electrical stimulation of retinal nerve cells in blind test subjects produced some sense of vision led to the development of the ...

New species of phallus-shaped mushroom named after California Academy of Sciences scientist

... Phallus drewesii is not the first species to bear Drewes' name. A small moss frog native to South Africa ( Arthroleptella drewesii ) and a blind worm snake from Kenya ( Leptotyphlops drewesi ) were described in 1994 and 1996, respectively. Over a span of forty years, Drewes has embarked on ...

New book suggests Earth perhaps not such a benevolent mother after all

... or asteroid crashing into the planet's surface. The others all resulted from Earth's own processes. "There's no Gaia. There's just this dumb, blind life. It tries out all kinds of new things that are good for new kinds of life but are detrimental to everything else that exists. The innovations ...

Case Western Reserve University receives $1.66m grant from NIH for otoprotection research

... Usher syndrome in the United States today and it accounts for 6 percent of the congenitally deaf population and more than 50 percent of the deaf- blind population. While there is currently no medical treatment for Usher syndrome, cochlear implants have been found to be very affective in patients with ...

Multiple route bone marrow stem cell injections show promise to treat spinal cord injury

... to know the respective contribution of each route of administration, this study does appear to support the need to move to carry out double blind clinical trials of BMCs in SCI, especially if a non-invasive route could be used." ...

Cats' eye diseases genetically linked to diseases in humans

... early changes in the interior of their eyes by the time they are approximately 2 years old. The cats with the congenital form of the disease are blind from birth with severe changes in the interior of their eyes after only a couple of months. ...

Diet could reduce onset of eye disease by 20 percent

... and nuts in the diet. Age-related Macular Degeneration (AMD) is the leading cause of blindness in the UK, with 45% of those registered as blind suffering from the disease. The condition results in a gradual loss of central vision, due to the failure of cells in the macular the light ...

Researchers first to 'see' reactive oxygen species in vital enzyme

... a process known as oxygen activation. Although scientists have determined more than 1,200 crystal structures of flavoproteins, they've been blind to exactly what oxygen activation looks like within these enzymes. Specifically, researchers have been unable to determine the structure of the ...

Girls have superior sense of taste to boys

... not to eat sweet things Another sensational finding is that every third schoolchild would prefer non-sugary soft drinks. All the pupils did a blind test in which they were instructed to give scores to ten different variants of the same soft drink with varying sweetness and sourness. ...

Household exposure to toxic chemicals lurks unrecognized, researchers find

... and redefining environmental problems that are not immediately perceptible through direct experience," Altman said. "Pollution at home has been a blind spot for society. The study documents that an important shift occurs in how people understand environmental pollution, its sources and possible ...

Pollution at home lurks unrecognized, instead attributed to large-scale environmental disasters

... and redefining environmental problems that are not immediately perceptible through direct experience," Altman said. "Pollution at home has been a blind spot for society. The study documents that an important shift occurs in how people understand environmental pollution, its sources and possible ...

Unusual use of toys in infancy a clue to later autism

... a metal lid, a round plastic ring, a rattle and a plastic baby bottle one at a time for 30 seconds each while being videotaped. Researchers blind to the outcomes coded the behaviors in the tapes. The children were screened for autism at 36 months. Ozonoff and her colleagues found that children ...

Masks, hand washing, prevent spread of flu-like symptoms by up to 50 percent

... are needed to confirm whether mask use may be an effective means of reducing influenza in shared living settings. Since it was not possible to blind subjects, knowledge of the intervention may have influenced influenza-like symptom reporting and therefore the results of this study should be ...

Genetic finding implicates innate immune system in major cause of blindness

... treatments for the disease. Almost two-thirds of people aged 80 years or older are affected by AMD to some degree, with more than one in ten left blind by the disease. In the UK, the annual economic burden from the disease has been estimated to be as high as 80 million, a figure set to increase as ...

Bitter-tasting nectar and floral odors optimize outcrossing for plants

... generated four different lines of genetically modified wild tobacco ( Nicotiana attenuata ). Apart from control plants that had received only a blind copy of the transgenic DNA fragment, transgenic lines were created (by means of RNA interference) that were unable to produce either nicotine or ...

What it's like to be a bat

... leads to obvious comparisons. According to Moss, bats engage in vocal-motor behaviors to generate signals to probe the environment, while some blind humans produce tongue clicks to generate sounds for echolocation. Both bats and humans engage in so-called "motor behaviors" that shape their ...

New discovery proves 'selfish gene' exists

... Darwin. In studying genomes, the word 'selfish' does not refer to the human-describing adjective of self-centered behavior but rather to the blind tendency of genes wanting to continue their existence into the next generation. Ironically, this 'selfish' tendency can appear anything but selfish ...

Project succeeding to relocate Caspian terns

... to Crump Lake and provide a stable food supply for a variety of fish-eating birds, including terns. OSU researchers and the Corps have built a blind on the island and are using it to study the Caspian terns, cormorants and gulls while avoiding the possibility of disturbing the nesting birds. ...

American Chemical Society's Weekly PressPac -- May 14, 2008

... worldwide Biotechnology Progress An improved artificial cornea, which could restore the vision of more than 10 million people worldwide who are blind due to diseased corneas, finally is moving toward reality, scientists in California conclude in a new analysis of research on the topic. Their study ...

When following the leader can lead into the jaws of death

... the benefits to followers of acquiring this information may be significant, but whilst information is a valuable commodity, simple acceptance or blind copying could result in a string of ill-informed decisions. Thus group members should exercise a degree of discrimination with regards to whom they ...

Human vision inadequate for research on bird vision

... are used. However, most studies are based on the hypothesis that human colour vision can be used to assess what birds see. Its a bit like a colour blind person describing the colours of clothes its often quite accurate but sometimes it can go badly wrong. This problem has been discussed in the ...

Butterfly fish 'may face extinction'

... The case of the Chevroned Butterflyfish is a stark example of how human pressure on the worlds coral reefs is confronting certain species with blind alleys from which they may be unable to escape, says Dr Morgan Pratchett of the ARC Centre of Excellence for Coral Reef Studies Media Release and ...

Climate change has major impact on oceans

... cutbacks or new priorities. This is a serious issue that needs to be addressed. Instead of facing the end of these critical missions and becoming blind to the changes occurring in our oceans, Behrenfeld said, we should be building even better ones to see more clearly than we have in the past, and to ...

Prison study to investigate link between diet and behavior

... the necessary vitamins, minerals and essential fatty acids to meet daily guidelines. The results will be compared with a control group under double blind conditions. Researchers will monitor how levels of nutrients affect a range of behaviours including violence, drug-related offences and incidents of ...

Osteoarthritis risk linked to finger length ratio

... type 3, index finger shorter than the ring finger. Not surprisingly, men were 2.5 times more likely than women to have the type 3 pattern. Using blind comparisons of hand radiographs with both knee and hip radiographs from random case and control samples combined with statistical analysis and odds ...

Multiple species of bacteria may cause trachoma: Implications for treatment

... causing the infectious eye disease trachoma. Six million people most of whom live in crowded and unhygienic conditions in the developing world are blind because of the disease and many more are actively infected. The possibility that multiple strains of the Chlamydiceae family of bacteria are involved ...

1 person out of every 1,000 has synaesthesia, in which an individual can smell a sound

... scientific study is relatively recent. Writings such as the Castel one, in which reference is made to previous studies about a synaesthesia case in a blind person, are found in the 18th century. The evolution of the study of this phenomenon has been spectacular the number of researchers working on this ...

Nanotech companies need clear environment and health roadmap to succeed

... from this study are consistent with other surveys of nanotech businesses in California, New York, and around the world. Firms are flying somewhat blind into the future and need a clear set of rules, a sense of the emerging regulatory landscape, and access to relevant research on risks in order to ...

Burrowing mammals dig for a living, but how do they do that?

... theorized. Mylagaulids were once common in much of North America some 20 million years ago. Existing head-lift diggers include marsupial moles, blind mole rats and mole voles. More common land-dwelling burrowers, which use a variety of techniques, are badgers, ground squirrels, burrowing owls, ...

Clinical studies show REMICADE reduces incidence of bowel surgeries in ulcerative colitis patients

... followed through one year, and 92 have completed two years. Patients who had responded to placebo also enrolled in the extension to maintain the blind and continued to receive placebo every 8 weeks. Overall, REMICADE was generally well tolerated in the long-term extensions, with less than five ...

Recycling wind turbines

... technologies for producing electricity, explain the researchers. However, the removal and recycling phase of wind turbines has been identified as a blind spot in assessing their overall environmental impact. Most studies have ignored this phase and focused entirely on their operation and in some cases ...
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