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Hearing skills of barn owls could map way to find problems in humans
07-31-2007 · EurekAlert!The hearing precision that lets common barn owls find prey is helping researchers fine tune their quest to diagnose a variety of problems rooted in the human brain, not only with hearing but also with behavior and potentially damaged areas.
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Keywords: hearing, skills, barn, owls, map, way, problems, humans, skill, owl, problem, human
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- Genetic variation: We're more different than we thought
11-22-2006 · EurekAlert!
New research shows that at least 10 percent of genes in the human population can vary in the number of copies of DNA sequences they contain -- a finding that alters current thinking that the DNA of any two humans is 99.9 percent similar in content and identity. This discovery of genetic variation is expected to change the way scientists think about genetic diseases and evolution.
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- Which came first, the chicken genome or the egg genome?
10-08-2007 · EurekAlert!
Researchers have created the first evolutionary history of the duplications in the human genome that are partly responsible for both disease and recent genetic innovations. This work marks a significant step toward a better understanding of what genomic changes paved the way for modern humans, when these duplications occurred and what the associated costs are - in terms of susceptibility to disease-causing genetic mutations.
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- Sniffers show that humans can track scents, and that two nostrils are better than one
12-18-2006 · EurekAlert!
Do animals use their two nostrils to locate scents in the same way they use two ears to locate sounds? UC Berkeley neuroscientists Noam Sobel and Jess Porter set out to test that question, using human volunteers on all fours to track a chocolate scent through the grass. With other senses blocked by gloves, earplugs and a blindfold, they were able to track scents and did better with two open nostrils than one.
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- 'Drunk' fruit flies could shed light on genetic basis of human alcohol abuse
10-19-2006 · EurekAlert!
Fruit flies get "drunk," just like humans, when exposed to large amounts of alcohol and may in future help to explain why some people are genetically predisposed to alcohol abuse. Humans and fruit flies respond to alcohol in a very similar way at the gene level, according to a study published today in the open access journal Genome Biology.
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- UVa researchers restore genes in human inner ear cells
06-14-2007 · EurekAlert!
Researchers at the University of Virginia Health System have discovered a way to transfer genes, which they hope will restore hearing, into diseased tissue of the human inner ear. This important step brings scientists closer to curing genetic or acquired hearing loss.
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- Using brain scans, researchers find evidence for a two-stage model of human perceptual learning
03-14-2007 · EurekAlert!
Using advanced brain imaging techniques, researchers at Georgetown University Medical Center have watched how humans use both lower and higher brain processes to learn novel tasks, an advance they say may help speed up the teaching of new skills as well as offer strategies to retrain people with perceptual deficits due to autism.
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- Rhesus macaque genome may hold clues for human health and evolution
04-12-2007 · EurekAlert!
An international consortium of scientists has completed a draft sequence of the rhesus macaque genome, a species of non-human primate widely used for creating models of human diseases and infections. The study paves the way for researchers to watch disease progression at the genetic level in macaques, a close relative of humans. The findings, which appear April 13 in the journal Science, will let us learn how humans and other primates evolved into distinct species.
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- How dogs don't ape
04-26-2007 · EurekAlert!
New research by Friederike Range and Ludwig Huber, of the University of Vienna, and Zsofia Viranyi, of the Eцtvцs University in Budapest, reveals striking similarities between humans and dogs in the way they imitate the actions of others. The phenomenon under investigation is known as "selective imitation" and implies that dogs -- like human infants -- do not simply copy an action they observe, but adjust the extent to which they imitate to the circumstances of the action.
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- Scientists reveal first-ever global map of total human effects on oceans
02-14-2008 · EurekAlert!
More than 40 percent of the world's oceans are heavily affected by human activities, and few if any areas remain untouched, according to the first global-scale study of human influence on marine ecosystems. By overlaying maps of 17 different activities such as fishing, climate change, and pollution, the researchers have produced a composite map of the toll that humans have exacted on the seas.
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- Red flag for repetitive stress injuries identified for first time in humans
03-06-2007 · EurekAlert!
A new discovery paves the way for early detection of repetitive injuries like carpal tunnel and tendonitis -- a $20 billion annual problem - before the damage leads to disability and lost work days. For the first time in humans, Temple University researchers have identified early indicators of inflammation -- potential warning signs of damage caused by repetitive motion. Their findings are reported in the March issue of Clinical Science
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