Tag: "blink" at biology news

Society for Psychophysiology Research

...which they are unable to control so much as an eye blink and, until recently, making it nearly impossible to communicate their thoughts or needs. The Thought-Translation-Device (TDD) uses a web-accessible computer system allowing patients to communicate directly with a computer by controlling their brain-w...

Insects implicated in the evolution of new human infectious diseases

...enic ancestor as little as 1,500 years ago, an eye blink in evolutionary time, suggesting that similar scenarios are possible for other insect-associated microbes. The researchers suggest the reason that unusual infections, such as those caused by Photorhabdus asymbiotica, are not currently a large problem...

New research shows in the animal world, it pays to be an imposter

...male appearance 10 to 15 times per minute. "In the blink of an eye they can pull out of it and go back to being a male," he says. Using DNA fingerprinting, Hanlon and his team found that the mimickers were successful in fertilizing females 60 percent of the time. The results, they say, are surprising since...

BC scientists coax gold particles to emit light strong enough to view single nanoparticles

... on and off. "The gold particles, however, do not blink or burn out, even after hours of observation, and the brightest ones emit much more light than do molecules," he said. "We now have the ability to see single nanoparticles under conditions where people usually look at thousands or millions of stain m...

Blink, and the brain misses it

...f the eyelid sweeping down over the pupil during a blink and the world going dark," explains Professor Frith. In summing up the study's implications, the authors suggest that when we blink, the brain may just miss it....

Understanding Fragile X syndrome with the blink of an eye

...as a tone with a puff of air on their eye, and the blink response was measured as an indication of how well the animals could learn the task. The researchers found that mice completely lacking the Fmr1 gene showed deficits in the motor learning task. But most importantly, the researchers also found that mi...

Requirement for high-level mental processing in subliminal learning

... that this lack of learning during the attentional blink is not due to a deficit of sensory processing during the blink, implying that the learning results from an interaction between high-level and low-level processing. The findings represent an important step toward increasing our understanding of the me...

New discovery: If it weren't for this enzyme, decomposing pesticide would take millennia

...t if the bacteria weren't busy digesting it in the blink of an eye. "It was just amazing that this enzyme can degrade something so quickly when otherwise it would take thousands of years," Horvat said. "It's really a neat picture of what evolution and natural selection can do." Although it's hard to predic...

Scientists reverse evolution

...ene, it suffers facial paralysis, and is unable to blink its eyes, wiggle its whiskers or pull back its ear...sponse to a puff of air in the face, they couldn't blink their eyes, wiggle their whiskers and fold back their ears. But when a portion of the Hoxb1 regul...

Trap-jaw ants have fastest recorded strike in animal kingdom

... 0.13 milliseconds, or 2,300 times faster than the blink of an eye. A research team led by Sheila Patek, assistant professor of integrative biology at the University of California, Berkeley, calculated the kinematics of the trap-jaw ant's mandible strikes with the help of advances in high-speed videograp...

High tech detectives screen thousands of genes, proteins to solve puzzle of lung disease

...usands of genes and proteins in little more than a blink of an eye. This high speed technology has already produced advances in the understanding of disease, including lung disease, and the already blistering pace is picking up. To take stock of this quickly changing field, scientists and doctors will ga...

Picky-eater flies losing smell genes

...ies D. simulans half a million years ago -- just a blink of evolutionary time. While D. simulans feeds on a variety of plants, D. sechellia specializes in eating the Indian mulberry, which repels other fruit flies. D. sechellia has evolved resistance to the toxins of its host fruit, and a strong chemical a...

Researchers witness natural selection at work in dramatic comeback of male butterflies

...urst. "But the example in this study happened in a blink of the eye, in terms of evolutionary time, and is a remarkable thing to get to observe." The researchers noted that bacteria that selectively kill male offspring are found among a range of arthropods, so what was seen in this study may not be unusu...

Unlocking proteins from their cellular shell

...ain of events that result in the apparently simple blink of an eye. Pathophysiological processes such as heart disease, anemia, and even the rigidification of breast tumors often reflect changes in protein organization and assembly that adversely affect static and dynamic forces in, on, and around cells. ...

Census of Marine Life historians detail collapse of bluefin tuna population off northern Europe

...trip the Atlantic bluefin population in a relative blink of time 1910 to 1950. The species virtually disappeared from the region in the early 1960s and is still rare today. Financed by the CONWOY project of Denmarks National Science Foundation and the European Unions MARBEF Network of Excellence, the w...

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