Tag: "match" at biology news

First global-scale assessment of biodiversity beneath our feet

...s the image with a virtual collection to provide a match and identify the specimen. Thirdly, all of the scientists participating in the project are volunteering their time to place the litterbags in the field and collect them. The researchers expect that within a year GLIDE will yield unprecedented data ...

UCLA team maps how genes affect brain structure, intelligence; dramatic images shed light on brain diseases, personality differences

...nt genetic markers. These individual pieces of DNA match exactly in identical twins, and half of them match in siblings. Recent research has shown that many cognitive skills are surprisingly heritable, with ...

A little larceny comes naturally to Northwestern crows

...igent," said Renee Ha. "Among birds, only parrots match them in intelligence. Crows are social, highly cognitive birds whose intelligence is up there with dogs." "Crow vigilance is based on the opportunity to steal food," said James Ha. "The over-riding factor in their vigilance behavior is 'who's got fo...

Do you compute?

...the retina and produces output spikes that closely match real retinae. We hope someday that these can be used as retinal implants. Weve asked them to take a computational approach to neuroscience, says Hawkins. Theyre looking at object-recognition systems that mimic the brain's ability to find patterns in...

Human genome sequence yields new tool for microbe-hunting

...uter program called MEGABLAST, scientists can then match the sample's DNA to the sequence of DNA in the ent...d that about 2 percent of the EST sequences didn't match to human sequences. Some of these sequences are non-human, and turned out to be contaminating or in...

Scientists to examine DNA of George Washington trees

...mendous database of information, so we are able to match DNA to an individual with a great degree of accuracy. There is no similar database for trees. This to a very great extent is new; we'll be breaking new ground." The first scheduled collection of cutting by horticulturists from Mount Vernon is set for...

Protein found that turns off systemic inflammation in mice

...s for human genes were in the hundred thousands to match estimates of our proteins, but the draft of the human genome released a year ago cut the number of genes to only 30,000 or so. Other authors on the report are David Huso of the division of comparative medicine at Johns Hopkins and the late Daniel Nat...

Scientists develop protein nanoarrays for biological detection

...force microscope then read the chip and recorded a match where a change in height was detected....

Mating molds provide new insights into speciation and human reproduction

...weeding out extra genes or seeing if there`s a bad match or too many bad matches in the chromosomes. We suspect that there is a system in humans that causes gene silencing, but we don`t know the mechanism yet." The researchers made another surprising discovery with evolutionary implications. Animals, plant...

Scientists prove mature adult cells can be cloned

...rise to embryonic stem (ES) cells that genetically match the donor and have the potential to become any tissue in the body. In theory, these ES cells may be used to treat diseases, such as diabetes or spinal cord injury, without the complications of organ rejection. Using Immune Cells to Clone Mice Scienti...

Battle of the sexes leads to evolutionary arms race

...antically battling in an evolutionary sense, their match essentially remains at a standstill. Using a combination of comparative and experimental tools with 15 different species of water striders, the researchers show that the arms race is indeed balanced, but not perfectly so. In the case of the water st...

Remains of seven types of edible nuts and nutcrackers found at 780,000-year-old archaeological site

...ng tools to crack them open. The chimpanzees would match the stone to the type of nut, using wooden tools to crack nuts with softer shells and stone tools to crack those with harder shells. The tools the chimpanzees used have pits in them that resemble those in the stones found at Gesher Benot Yaaqov. The...

Electrodes and nanoprobes signal new DNA detection method

... The crucial next step is to eliminate the perfect match from a close match. Temperature, or a thermal stri...nventional methods to distinguish from the perfect match of the target DNA. Such difficulty in discrimination can lead to false positives. The Northwestern m...

Anthrax spores use failsafe protection system, say U-M scientists

...ue of the Journal of Bacteriology, is the first to match anthrax genes with specific amino acids and signaling pathways that trigger germination. "Anthrax doesn't rely on a single signal," says Hanna, an assistant professor of microbiology and immunology in the U-M Medical School. "Endospores have a redun...

Cognitive testing reduces risks of procedure for brain arteriovenous malformations

...ning blood vessels that look more like a wrestling match among a hundred small snakes than part of the circulatory system. Many patients don't know they have one. Some have crippling headaches. For the more unfortunate, the AVM ruptures, causing brain damage or death. Now, a team of Johns Hopkins spec...

Purdue to help NASA create life-supporting ecosystem in space

...h that plants can even touch them. The colors will match the absorbance of the photosynthetic pigments in the plants. This is a modification of the commercial 'pathlights' you see in movie theaters and in airline exit rows." Researchers are studying about 15 crops for possible use in the advanced life supp...

Darwin's Time Machine: Scientists begin predicting evolution's next step

...sistance gene, called TEM-1, in the laboratory and match his mutations against the natural mutations that arose as that gene adapted to better antibiotics, then he could see if the model would accurately predict the how genes evolve in nature. "Antibiotic resistance evolves rapidly enough that we can obser...

Transgenic mice mimic cardiac hypertrophy in humans

...versity in New York, found a sequence that did not match that of the channel protein. Several years later another group of researchers found a protein, called FK Binding Protein 12, involved in the action of drugs that block immune rejection of transplanted organs that contained this same sequence at one ...

New process by Temple grad student can place loose fossils back into the strata or determine fakes

...e to identify a unique signature for that bone and match it with other fossil material from the same strata. During the fossilization process, the calcium in the bone is replaced by trace elements, some of which are rare earth elements, she adds. The REEs that are within the bone can tell where in the ea...

Pitt researchers find men and women have different genes behind depression

...enable clinicians to use genetic markers to better match individual patients to treatments to which they will optimally respond, while minimizing side effects, Dr. Zubenko said. In current practice, the choice of a particular antidepressant for a patient is largely a hit or miss proposition that often lead...

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