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Tag: "rooted" at biology news

Modeling the restless brain

...ay people think and what they think about could be rooted in differences in the way their brains are connected." ...

Researchers learn what sparks plant growth

...re especially important in plants because they are rooted in the ground and must alter their shape and size in response to their local environment. Thus, it’s a question of survival," added Chory. "It took us 10 years to develop the tools to ask the question. It is very satisfying for me to see the results....

Gene variations contribute to aggression and anger in women

...as anger, hostility and aggression may be genetic, rooted in variations in a serotonin receptor gene. Indrani Halder, Ph.D., of the Cardiovascular Behavioral Medicine Program at the University of Pittsburgh, will present the findings today at the American Psychosomatic Society's Annual Meeting, held in Buda...

Stem cells act through multiple mechanisms to benefit mice with neurodegenerative disease

...g and are among a known group of about 50 diseases rooted in the inability to metabolize lipids or other materials. While Sandhoff and Tay-Sachs are relatively rare, one person in 5,000 is affected by a disease that falls into a category of lysosomal storage diseases. Currently there is no treatment ...

A reason why video games are hard to give up

...iday season because the fun of playing actually is rooted in fulfilling their basic psychological needs. Psychologists at the University of Rochester, in collaboration with Immersyve, Inc., a virtual environment think tank, asked 1,000 gamers what motivates them to keep playing. The results published in th...

New study finds similarities between monkey business and human business

...damental structure of our preferences were so deep rooted as to extend to closely-related species, this would bolster the assumption of preference stability." As part of the study, the researchers presented capuchin monkeys with two payoff-identical gambles: one in which a good outcome was framed as a bonu...

Giant deep-sea tubeworm's meal ticket comes in as a skin infection

...other to eat: lacking mouth and stomach,they stand rooted to one spot. Fornourishment, they rely completely onsymbiotic bacteria that live within theirbodies to metabolize the sulphurous volcanicsoup in which they both thrive. But the microscopic larvae of these giantsare born bacteria-free, with a complet...

Chimpanzees can transmit cultural behavior to multiple 'generations'

...nzee behavior, suggesting cultural learning may be rooted deep within the evolutionary process."Further studies by researchers at the Yerkes-based Living Links Center, established in 1997 to facilitate primate studies that shed light on human behavioral evolution, may expand on these findings by examining t...

Study shows hope for ridding lakes of clawed invader

...r decades. "They pretty much wipe out all of the rooted aquatic plants, they eat fish eggs, they either eat or compete with native invertebrates and, in general, raise havoc with the near-shore community of a lake," says Stephen Carpenter, a UW-Madison professor of limnology and zoology involved in the st...

Penguins waddle but they don't fall down, UH researchers say

...t, but some researchers speculate that this may be rooted in the animals' perceived vulnerability, lack of threat and soft physiques. For UH researcher Kurz, his subjects' funny, cuddly nature is just an incidental advantage. His current research will provide a springboard for future studies on the uniqu...

Deep-rooted plants have much greater impact on climate than experts thought

...ribution has been found in some 60 separate deeply rooted plant species. Earlier this year, Dawson's colleague and former UC Berkeley doctoral student Rafael Oliveira of the Laboratório de Ecologia Isotópica at the University of Sao Paulo, Brazil, discovered that Amazonian trees also use hydraulic redistri...

Genetic analysis of Asian elephants in India reveals some surprises

...tep in efforts to protect an animal that is deeply rooted in Indian culture. "If we are going to find a way to protect elephants for future generations, we need to preserve the greatest genetic diversity possible." says Melnick. "We're just acting blind if we don't know where that diversity is. This study s...

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

...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 From?: This year, researchers took another look at Earth rocks and meteorites that resemble the starting material of the solar system and found t...

U. of Colorado researcher identifies tracks of swimming dinosaur in Wyoming

...ientists had always assumed that sea lilies stayed rooted instead of moving around like their stalkless relatives, the feather stars. But videos taken from a submersible research vessel at a depth of 430 meters (1410 feet) near Grand Bahama Island reveal that some sea lilies can creep along the ocean floo...

Creeping crinoids! Sea lilies crawl to escape predators, new video shows

...ientists had always assumed that sea lilies stayed rooted instead of moving around like their stalkless relatives, the feather stars. But videos taken from a submersible research vessel at a depth of 430 meters (1410 feet) near Grand Bahama Island reveal that some sea lilies can creep along the ocean floo...

Unchecked DNA replication drives earliest steps toward cancer

...ciated as a disease of the genes, cancer is always rooted in genetic errors or problems in gene regulation. Scientists have identified some of the first genetic triggers for cancer as mutations in specific oncogenes or tumor suppressor genes. Full-blown tumors and metastatic cancers, however, often exhibit ...

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