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Tag: "discriminate" at biology news

'Uniquely human' component of language found in gregarious birds

...irds and expert mimics ?can be trained to reliably discriminate between two different patterns of organizing the sounds they use to communicate. "Our research is a refutation of the canonical position that what makes human language unique is a singular ability to comprehend these kinds of patterns," said Timoth...

Envisat radar surveillance protects endangered prehistoric fish

...ived in real time, then automatically processed to discriminate radar echoes from vessels in the zone. Each vessel...os positions are then matched with radar echoes to discriminate illegal vessels, whose locations are then sent for action to French Navy patrol boats." The system...

Ants, not evil spirits, create devil's gardens in the Amazon rainforest, study finds

...hat it does not rely on the presence of domatia to discriminate between its host and other plant species," the Sta...s to determine which chemical cues the ants use to discriminate between host plants and other species. She also has begun searching for devil's gardens in other par...

Six previously blind patients detect light, motion, identify objects with retinal prostheses

...t accuracy," Humayun says. In addition, they could discriminate simple shapes-i.e., figure out the spatial orientation of a bar or the capital letter L-with 61 to 80 percent accuracy. The researchers also noted that when there is no electricity running through the device, the subjects do not show any improvement...

Identification of specific genes predicts which patients will respond to Hepatitis C treatment

... disease activity. In order to define which genes discriminate between those patients who respond to therapy to those who do not, microarray technology, based in a Banting and Best Department of Medical Research laboratory at University of Toronto, was used to analyze the pattern of genes in all participants. Th...

Researchers seek to discover what really happens when a virus enters the body

...e system actually does, according to Matzinger, is discriminate between things that are dangerous and things that are not. And it does this by defining anything that does damage as dangerous. Through this selectivity process, the immune system does not respond to things that don't do damage. Examples she uses t...

Scientists journey to southern Africa to unravel the secret world of elephant communication

...ct vibrations. "We wanted to determine if they can discriminate between familiar and unfamiliar calls that are played back as seismic signals," O'Connell-Rodwell explains. To record the elephants' reactions, she and her colleagues buried an array of 22 geophones along a straight line extending 1,000 feet from th...

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