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Tag: "deep" at biology news

UCSB scientists probe sea floor venting to gain understanding of early life on Earth

...y issue of the journal, Geology. The discovery of deep sea hot springs and an abundance of microbes in the subseafloor are among the most remarkable scientific findings in Earth science during the latter half of the twentieth century, and have now become a powerful motivation for research and exploration...

Growth in the sea comes down to a struggle for iron

...hrough which aggregations of diatoms sink into the deep sea, taking their carbon with them. The Kilo Moana returned to Hawaii after spending 42 days at sea. Early results suggest that the struggle for iron may indeed follow something like what happens in the soil. Wells and his colleagues are evaluating ...

The secret to longevity in tubeworms

With an incredible lifespan of up to 250 years the deep sea tube worm, Lamellibrachia luymesi is among the...onsortium of bacteria and archaea that live in the deep sea cold sediments surrounding the seep where the worm lives. These chemoautotrophs use energy from ...

The transparent organism: EMBLEM and Carl Zeiss give labs a unique look at life

...nted light which prevented scientists from looking deep into tissues in the past. The entire procedure is very fast and in a computer supported post-processing step, one or more stacks of images are assembled into a high-resolution film. Another advantage of SPIM is that the specimen is kept alive in a l...

The secret lives of whales

... in Smith’s case, they tow a dead whale out to the deep sea, place a transponder on it, and drop it to the...on may have occurred in the whale fall fauna. “The deep ocean appears to be a major reservoir of biodiversity on the planet. Some of the oddest animals ever...

Weill Cornell Research Reveals Secrets Of Trafficking Within Cells

... other than endocytosis, including those occurring deep inside the cell. "Now that we have a better handle on this relationship, we're going to go beyond looking at clathrin per se, and try and investigate other players in the endocytotic process," he said. ÒWe're going to ask questions such as, 'OK, if ...

Zebrafish may hold key to understanding human nerve cell development

...nd motion. However, in humans hair cells areburied deep inside the inner ear making them difficult to access. Haircells in zebrafish are located on the surface of their body and helpthe fish swim in groups and avoid predators."Zebrafish are a wonderful model for studying hair cell development fora number ...

Harmful Bacterium Commonly Found in Poultry May Survive Refrigeration and Frozen Storage Combined

...nd motion. However, in humans hair cells areburied deep inside the inner ear making them difficult to access. Haircells in zebrafish are located on the surface of their body and helpthe fish swim in groups and avoid predators."Zebrafish are a wonderful model for studying hair cell development fora number ...

GenMAPP 2.0 released

...nd motion. However, in humans hair cells areburied deep inside the inner ear making them difficult to access. Haircells in zebrafish are located on the surface of their body and helpthe fish swim in groups and avoid predators."Zebrafish are a wonderful model for studying hair cell development fora number ...

Scientists identify new model Of NK cell development

... NK cells are actually found in cellular nurseries deep inside the body's lymph nodes. The findings, appearing in the Mar. 22 issue of the journal Immunity, may offer clinicians new direction in determining how to manipulate this cell type in enhancing immune responses to cancer. "This study is fundamen...

X-Ray Beams And Fruit Fly 'Flight Simulator' Aid Scientists' View Of Muscle Power

...es during flight and probing the molecular motions deep within the muscle cells.?/p> These experiments uncovered previously unsuspected interactions of various proteins as the muscles stretch and contract. The results suggest a model for how these powerful biological motors turn “on?and “off?during th...

UF Researchers Map Bacterial Proteins That Cause Tooth Loss

...is, is a bacterial homesteader that stakes a claim deep within the spaces between teeth and gums. It’s also the leading cause of tooth loss ?secreting proteins that destroy the soft tissues and bone that support teeth to cause periodontal disease. Now scientists have identified the thousands of proteins ...

World's largest rainforest drying experiment completes first phase

...orest were drawing in water from more than 40 feet deep in the soil. Second, it was anticipated that when...than expected. Once the moisture that is stored in deep soil is depleted, then the large trees that tower 130 to 150 feet above the ground, basking in full ...

Carnegie Mellon scientists develop tool that uses MRI to visualize gene expression in living animals

...r gene expression in real-time. Because MRI images deep tissues non-invasively and at high resolution, inv...ot be used in living subjects, fail to image cells deep inside the body or don't provide high-resolution images. Other approaches using MRI are not practica...

Self-assembled nano-sized probes allow Penn researchers to see tumors through flesh and skin

...e can be used to optically image tissue structures deep below the skin ?with the potential to go even deeper," said Michael J. Therien, a professor of chemistry at Penn. "It should also be possible to use an emissive polymersome vesicle to transport therapeutics directly to a tumor, enabling us to actuall...

Wisconsin researchers identify sleep gene

...asily detected by EEG. The waves are slower during deep sleep and faster during waking times. One way of getting from the faster to the slower state is by opening ion channels, allowing potassium to flow through them. "Our hypothesis is that if you don't have potassium channels, you won't get slow waves,...

Biodiversity hotspots identify conservation priorities

... hotspots, we are not only protecting species, but deep lineages of evolutionary history," Mittermeier said. "These areas capture the uniqueness of life on Earth." The hotspots concept was pioneered in 1988 by British ecologist Norman Myers, who recognized that hotspot ecosystems (most often in tropical ...

Alzheimer's cognitive decline slowed

...tal, the genetically modified tissue was implanted deep within the brains of the eight patients who had volunteered for the study. The human clinical trial was undertaken following extensive studies in primates conducted by Tuszynski and colleagues, which showed that grafting NGF-producing tissue into th...

Nanoparticles offer new hope for detection and treatment

...e skin surface, and a vertical phase, when it goes deep into the body and grows quickly. "Once melanoma has moved into its vertical phase, it is almost untreatable because by the time the tumors are large enough to detect, it's too late," Lanza says. "With the nanoparticles, we believe we would be able t...

Medical molecules designed to respond to visible light that can penetrate tissue

...t tissue blocks light so we can't signal molecules deep within the body to deliver drug therapy," says Brewer, associate professor of chemistry. Matthew Mongelli of Maywood N.J., a postdoctoral associate in chemistry, and his colleagues in chemistry and biology at Virginia Tech, have been working with Th...

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