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Tag: "black" at biology news

K-State researchers study insects' immune system

... immune response that cause melanin - a coating of black pigment - to be synthesized and deposited on the surface of the pathogen. The goal of their research is to understand how insects recognize infection caused by microorganisms such as viruses, bacteria and fungi, and the pathway of reactions that fol...

Pulp mill devastates swans' sanctuary in Chile

...day. "What was probably the largest population of black necked swans in South America has been wiped out i... "Before the pulp mill, there were more than 5,000 black necked swans in the Carlos Anwandter Nature Sanctuary. When we visited the core of the sanctuary in ...

Science's Breakthrough of the Year: Watching evolution in action

... two ancient neutron stars or a neutron star and a black hole. Brain Wiring and Disease: Several studies in 2005 suggest that diseases such schizophrenia, Tourette syndrome, and dyslexia are rooted in "faulty wiring" of the brain's neural circuitry during development in the womb. Where Did Earth Come Fr...

Envisat radar surveillance protects endangered prehistoric fish

...white gold' for the high prices it commands on the black market. However a radar satellite surveillance system based on Envisat and Radarsat-1 imagery has cut the number of illegal fishing incursions in the vicinity of Kerguelen Island by nine-tenths. Run for the benefit of the French maritime authoritie...

Brain activity related to processing faces is similar in people with, without autism

...ndard MRI scans that show anatomical structures in black and white, fMRI offers digitally enhanced color images of brain function, depicting localized changes in blood flow and oxygenation. When particular regions of the brain increase their neural activity in association with various actions or thought ...

Older female fish prefer imperfect male mates, study finds

... with symmetrical markings, which in this case are black bars on each side of the body. Scientists have suggested that symmetrical markings are a sign of genetic fitness. The new study provides evidence that visual cues are not the only thing driving mate selection, however. The findings also suggest that...

Bugs expose underground carbon traffic system 10 times more important than fossil fuel burning

...est poorly understood. Soil was almost literally a black box to scientists interested in carbon. Now resear...ty of Warwick have been able to shed light in that black box by getting a particular class of insects to expose the key underground carbon traffic system - b...

The brain is broadly wired for reproduction

...ral circuitry controls behavior has been largely a black box," she said. "I think that through studies like these we and others are going to make substantial progress in understanding the neural circuits that underlie behavior." ...

Targeted drug delivery achieved with nanoparticle-aptamer bioconjugates

...ominantly affects Western populations although the black population has a significantly higher rate than the white population. The lowest incidence is seen in Asian populations.1There are just under 238,000 cases of prostate cancer in Europe each year and it is the cause of 85,000 deaths annually.2 Risk f...

Researchers use 'trickery' to create immune response against melanoma

...ominantly affects Western populations although the black population has a significantly higher rate than the white population. The lowest incidence is seen in Asian populations.1There are just under 238,000 cases of prostate cancer in Europe each year and it is the cause of 85,000 deaths annually.2 Risk f...

Primates harvest bee nests in Ugandan reserve

...ees corresponded to scientific names, except for a black and a brown form of Meliponula ferruginea.Honeybee (Apis) nests were numerous compared to other sites in the tropics, whereas honey-making stingless bee nests were relatively scarce. Nest abundance did not vary with altitude, nor did pollen collecti...

Plants give pests sock in the gut

...rcent inhibition in caterpillar growth. Transgenic black Mexican sweet corn cells that express Mir1-CP inhibit caterpillar growth by 70 percent, Luthe says. Mir1-CP is harmful to caterpillars mainly because of its damaging effect on their peritrophic matrix. This is a membrane that lines the gut of most i...

'Uniquely human' component of language found in gregarious birds

...But these iridescent six-inch, three-ounce singing black birds have known this all their lives. They were only waiting for this moment to arise. ...

Amazonian terra preta can transform poor soil into fertile

...nagement," the first comprehensive overview of the black soil, said that the super-fertile soil was produce...hosphorus, calcium, sulfur and organic matter. The black soil also does not get depleted, as do other soils, after repeated use. "In other words, producing ...

GPSDB, the free Gene and Protein Synonyms DataBase

...nagement," the first comprehensive overview of the black soil, said that the super-fertile soil was produce...hosphorus, calcium, sulfur and organic matter. The black soil also does not get depleted, as do other soils, after repeated use. "In other words, producing ...

CU, USDA team to curb two invasive, poisonous vines

...lations and bird habitats. The vines are pale and black swallow-wort, and to find a biological control to ...perates a federal laboratory at Cornell. Pale and black swallow-wort -- twining vines recently classified as invasive species and members of the milkweed fa...

Rhinos clinging to survival in the heart of Borneo, despite poaching

...ted because rhino horn carries a high price on the black market, where it is predominantly sold for use in traditional Asian medicines. As poaching is such a threat to this species, the survey results were not released until strong protection measures could be put in place in the areas where the rhinos a...

UC Riverside psychologist explores human perception, finds 'wow factor'

... cut from sound-insulating foam board covered with black tape. The undergrads also saw an array of eight horn-style loudspeakers that the shapes would block, and were told that the speakers would make a white-noise sound. Blindfolded, they were asked to identify which shape was positioned in front of the ...

U-M researchers take new approach to defeating Gram-negative bugs

...eningitis, along with the bacteria that caused the black plague. Woodard and his collaborators worked on E. coli in part because it is one of the more common Gram-negative bacteria, and it is considered by researchers the gold standard of Gram-negative bacteria. After their genetic modifications, E. coli...

Uncovering sex-change secrets of black sea bass

...oology, peers into a big blue plastic tub. Inside, black sea bass circle slowly in the dim light. The conve...ge sex unpredictably in captivity. "In the wild, black sea bass are born as females and turn into males at around two to five years old," Berlinsky explain...

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