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New View of Rainier’s Volcanic Plumbing

By Guest PostSeptember 16, 2014Sciencebank of montreal, beat bannwart, bernd laber, caixabank, cocktail geoengineering, commerzbank, ct scans, earth, electricity, erste group, fabio keller, jeffrey shell, jordi fontanals, juvenile remains, magnetic fields, molten rock, mount rainier, patrick goetz, reservoir, ring of fire, seismic waves, tectonic plates, trade finance platform, ubs, university of utah, zone

Electrical Images Show Upward Flow of Fluids to Magma Chamber

By measuring how fast Earth conducts electricity and seismic waves, a University of Utah researcher and colleagues made a detailed picture of Mount Rainier’s deep volcanic plumbing and partly molten rock that will erupt again someday.

“This is the most direct image yet capturing the melting process that feeds magma into a crustal reservoir that eventually is tapped for eruptions,” says geophysicist Phil Wannamaker, of the university’s Energy & Geoscience Institute and Department of Civil and Environmental Engineering. “But it does not provide any information on the timing of future eruptions from Mount Rainier or other Cascade Range volcanoes.” (more…)

Short lives, violent deaths: Two CT-scanned Siberian mammoth calves yield trove of insights

By Guest PostSeptember 5, 2014Sciencebrain, ct scans, dopingmittel, dopingstudie, dunkelziffer im spitzensport, france, imran khan, jeffrey lovich, jo dunkley, jorge piedrahita, juergen goller, kopf stehende gesichter, mammoth remains, mickey agha, most intelligent politician, permafrost, russia, schoenheit von gesichtern, sean simpson, skillful sailor, skull, smooth sea, stephanie cone, united states, university of michigan, urintest, wind energy development, wind farm design, wmap project, world leaders

ANN ARBOR — CT scans of two newborn woolly mammoths recovered from the Siberian Arctic are revealing previously inaccessible details about the early development of prehistoric pachyderms. In addition, the X-ray images show that both creatures died from suffocation after inhaling mud.

Lyuba and Khroma, who died at ages 1 and 2 months, respectively, are the most complete and best-preserved baby mammoth specimens ever found. Lyuba’s full-body CT scan, which used an industrial scanner at a Ford testing facility in Michigan, was the first of its kind for any mammoth. (more…)

Study: CT Scans Could Bolster Forensic Database to ID Unidentified Remains

By Guest PostJanuary 19, 2014Science3d id, amanda hale, ann ross, anthropology, cheekbones, contemporary skull, craniofacial surgeons, ct scans, facial characteristics, forensic database, id, kenda honeycutt, manual mapping, morton collection, museum, north carolina state university, skeletal remain, skull, unidentified remains, university of pennsylvania

A study from North Carolina State University finds that data from CT scans can be incorporated into a growing forensic database to help determine the ancestry and sex of unidentified remains. The finding may also have clinical applications for craniofacial surgeons.

“As forensic anthropologists, we can map specific coordinates on a skull and use software that we developed – called 3D-ID – to compare those three-dimensional coordinates with a database of biological characteristics,” says Dr. Ann Ross, a professor of anthropology at NC State and senior author of a paper describing the work. “That comparison can tell us the ancestry and sex of unidentified remains using only the skull – which is particularly valuable when dealing with incomplete skeletal remains.” (more…)

The Mystery of Lizard Breath

By Guest PostDecember 19, 2013Nature3d image, aerodynamic valves, african savannah, alligators, archosaurs, c g farmer, ct scans, dinosaurs, emma schachner, evolution, fast metabolisms, flying pterosaurs, gular pumping, harvard university, humans, james butler, lepidosauromorpha, lizard breath, lizard like creature, lungs, mass extinction, monitor lizards, mystery, one way patterns, oxygen consumption, permian triassic, rate, robert cieri, tidal breathing pattern, tuataras, unidirectional airflow, university of utah, varanus exanthematicus

One-Way Air Flow May Be 270 Million Years Old

Air flows mostly in a one-way loop through the lungs of monitor lizards – a breathing method shared by birds, alligators and presumably dinosaurs, according to a new University of Utah study.

The findings – published online Wednesday, Dec. 11 in the journal Nature – raise the possibility this breathing pattern originated 270 million years ago, about 20 million years earlier than previously believed and 100 million years before the first birds. Why remains a mystery. (more…)

Seeing in the Dark

By Guest PostOctober 19, 2013Natureaquatic habitat, aran mooney, baiji river dolphin, China, chinese academy, chinese radiologist, computed tomography, ct scans, darlene ketten, dolphin, hydrobiology in wuhan, marine mammal, noisy environment, porpoise, representative species, sciences, seeing in dark, three gorges dam, toothed whales, whoi, yangtze finless porpoise

New research sheds light on how porpoises hear in one of the world’s busiest rivers

The Yangtze finless porpoise, which inhabits the high-traffic waters near the Three Gorges Dam in China, is highly endangered, with only about 1,000 animals alive today. Scientists from Woods Hole Oceanographic Institution (WHOI) and their Chinese colleagues are using medical technology to shed new light on this species’ critical sense of hearing in a waterway punctuated by constant shipping, dredging, and underwater construction.

“We want to understand how they may be impacted by noise,” said Aran Mooney, a biologist at the Woods Hole Oceanographic Institution (WHOI) and a lead author on the study published online this week in the Journal of Experimental Biology. (more…)

UA Geneticists Find Causes for Severe Childhood Epilepsies

By Guest PostMay 11, 2013Healthbio5 member, breakthrough, causes, chromosome abnormalities, clinical genomics, clinical practice, conventional genetic testing, ct scans, developmental brain disorders, dinesh talwar, dna sequencing technique, epilepsy, genetic defects, jeff wilhelm, journal epilepsia, krishna veeramah, linda restifo, magnetic resonance imaging, michael hammer, molecular diagnostics, mutations, neurologist, Phoenix, robert erickson, seizure disorders, severe childhood epilepsies, ua geneticists, university of arizona, whole exome sequencing

Using a state-of-the-art DNA sequencing technique, UA researchers have discovered genetic mutations underlying seizure disorders in previously undiagnosed children.

Researchers at the University of Arizona have successfully determined the genetic mutations causing severe epilepsies in seven out of 10 children for whom the cause of the disorder could not be determined clinically or by conventional genetic testing.

Instead of sequencing each gene one at a time, the team used a technique called whole-exome sequencing: Rather than combing through all of the roughly 3 billion base pairs of an individual’s entire genome, whole-exome-sequencing deciphers only actual genes, and nearly all of them simultaneously. (more…)

What a difference a 3-D makes

By Guest PostApril 28, 2013Science3d, abdominal, application, cancer patient, canine rehabilitation practitioner, chest problems, ct scans, dan feeney, disease, gauge, kim colvard, kristina kiefer, oregon state, pelvic region, radiologist, recovery, rooftop, Technology, therapy, university of minnesota, unorthodox, veterinary medical center, xrays

3-D CT scans give the U a leg up in spotting veterinary injuries

When Gauge fell from a rooftop a few months ago, he had two strikes against him:

• The ground was five stories down

• He was a dog, not a cat

Rushed to the University of Minnesota Veterinary Medical Center, Gauge looked like a goner. Even after his internal injuries were tended to, his fractured pelvis loomed like a third strike that would hobble him for life. That’s what it’s like for too many animals, whose veterinary surgeons have only conventional X-rays or a stack of two-dimensional CT scans to guide them as they go into surgery. (more…)

UCLA Study Shows Promise, Offers Hope for Brain Hemorrhage Patients

By Guest PostFebruary 22, 2013Scienceamericans suffer strokes, bleeding, brain hemorrhage patients, clinical trial, ct scans, disability in america, endoscope, endoscopic surgical procedure, gps like precision, keyhole incision, neil martin, paul vespa, removing blood, severe disability, standard medical treatment, stroke, toxic, ucla neurosurgeons

Minimally invasive surgery may benefit patients previously deemed hopeless

A new endoscopic surgical procedure has been shown to be safer and to result in better outcomes than the current standard medical treatment for patients who suffer strokes as a result of brain hemorrhages, UCLA neurosurgeons have announced.

The findings from their potentially groundbreaking, randomized, controlled phase 2 clinical trial, which was conducted at multiple medical centers, were presented last week at the International Stroke Conference in Honolulu. (more…)

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