Tag: "deep" at biology news
Last unidentified sport fish in North America gets a scientific name
...nd Apalachicola rivers. Unlike other bass found in deep
reservoirs and rivers, the shoal bass survives only in shoal areas in rivers and large creeks. Booming population growth around Atlanta is diminishing the quality of the Flint River, another favorite haunt of the shoal bass, he said. And a potential...
Researchers find volcanoes are bad for your health...long after they finish erupting
... 3 nanometres in diameter (small enough to deposit deep
in the lung). The ash also contained large amounts of cristobalite, a form of silica and a known hazard which can cause silicosis....
INEEL microbiologist joins Japanese on expedition to tap marine-methane deposits
...ing rig H.G. Hulme, Jr. in late November to secure deep
subsurface core samples that will form the basis o...d energy reasons, the DOE has an interest in these deep
sea microscopic communities. The INEEL team hopes to learn where methanogens prefer to live and why,...
UC Irvine researchers discover new technique for analyzing crucial cell activity in limb regeneration
... treatment of such ailments as spinal cord injury, deep
wounds and burns. This discovery allows researchers for the first time to isolate and study cell activity at the site of regeneration in this amphibian animal, the only vertebrate life form that can grow back lost limbs. Susan V. Bryant, David M. ...
Possible cause and treatment for shock uncovered by UC San Diego bioengineers
...curs when blood pressure falls after blood loss or deep
anesthesia. Vital organs are poorly perfused and literally starved of oxygen. Early symptoms include cold, clammy skin, mental confusion and inadequate production of urine. But shock can quickly lead to multiple organ failure and even death. ...
Plankton are not affected by ozone depletion
...de in such calculations. "On a cloudy day under a deep
hole, there's still not nearly as much UV flux as on a clear day with no hole," says Arrigo. Another important factor is that, at any given time, around 80 per cent of the southern hemisphere's ozone hole is over ice. So only a small fraction of phyt...
Unusual mussels may use whale bones en route to hot sea-floor vents
...explain the evolution of unusual life forms in the deep
sea and has yielded novel bacteria that may be useful to humans....
Researchers study 10,000-year-old buried forest
...Then they were quickly but gently buriedmany yards deep
in sand carried in small streams running off a nearbymelting glacier. "If you saw those trees standing there, you'd say oh my gosh," Bornhorstadded. "The trees still have little limblets, only 1 millimeter indiameter. The preservation rate is really ...
Food web theory suggests ecology may be governed by general rules
... to a new food web model, the researchers revealed deep
similarities between highly diverse ecosystems, su...a Carribean Island and a desert-suggests there are deep
similarities to these very different ecosystems," said Williams. "On a practical level, the model ca...
New link uncovered in nerve cell mechanism thought to power learning and memory
...at of learning and memory in the brain is a region deep
within the cortex called the hippocampus. Malinow and his colleagues study how neurons in the hippocampus of rats respond to electrical stimulation like that which occurs during learning. In particular, they explore the mechanisms involved in long-te...
New $4.2M research center at U-M seeks to see cancer more clearly
...ent works ANN ARBOR, Mich. -- Cancer often lurks deep
inside the body, going undetected and untreated far too long. Even after it's discovered and treatment begins, doctors may not be able to tell for months if their efforts are working well enough or at all. Now, a new research center at the University...
Reports of "weird life" almost stranger than fiction
...heless, thousands of new strains of subsurface, or deep
underground, bacteria have been discovered in recent years, making scientists wonder how long they have been there and how they survive so far from air, sun and food. "It's a very nutrient-poor environment,"Onstott said. Onstott and others at the...
Video cameras reveal seals, whales, and other marine mammals take a laid-back approach to deep diving
..., seals, and other marine mammals to perform long, deep
dives that seem to exceed their aerobic capacities...ate the energy savings of prolonged gliding during deep
dives. "It took some amazing technology and logistics, but the result is a very detailed look ...
Researchers find key to spurring methane conversion
...ng to Lovley, specialized microorganisms that live deep
in the earth break down oil to its simplest form, ...ow levels because it's hard to sample them down as deep
as the oil reserves." The researchers incubated the sediments in the laboratory under conditions...
Nanofabricated 'gel' separates DNA
...y. They built a channel consisting of alternating deep
and shallow areas, placed DNA samples in water sol...sample toward the other end. They saw that in the deep
sections a chain-like DNA fragment contracts into a roughly spherical shape; but in this form it is ...
Spring meeting press conferences
...pen to the public), by Dr. Cindy Lee Van Dover. No deep
ocean discovery of the past century surpasses that of active volcanoes, the mid-ocean ridges that circle the globe, and their concomitant hydrothermal systems. The fauna already found in these systems, different in each ocean, are probably just a hin...
UI biologist receives grant to study acoustic management of swine odor
... gases from decomposing animal wastes contained in deep
pits or lagoons. Officials from Heartland and Caviforce intend that the grant be part of their effort to be progressive and good rural neighbors by alleviating the environmental impact of large-scale swine production. Bruce Rastetter, president and...
Ecological trends of food availability yield clues to Americans' weight problem
...ablishments, where much of the food is prepared by deep
fat frying. The article points to dramatic changes in food purchasing and preparation in America. Of every dollar used to buy food, American households spent 20% to eat away from home in the 1970s, but by 1992 this proportion had increased to 38%. ...
June 'Geology' and 'GSA Today' highlights
...here oceanic crust descends into Earth's mantle at deep
sea trenches, as in the circum-Pacific "ring of fire" region) and formation of volcanic chains parallel to the trench are based on a steep angle of descent. Magma generation is considered to occur at depths of roughly 100 km as fluids (mostly water) ...
More tolerable treatment for severe, obstructive sleep apnea around the world
...hour. The frequent interruptions of deep
sleep often lead to early morning headaches and grogginess during the day. Consequences of the condition include depression, irritability, sexual dysfunction, and difficulties with learning and memory. It ...
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