Tag: "physical" at biology news
Research suggests new way to repair cartilage damage
...rt that fills the defect, and provides the correct physical
and chemical cues to enable cells that move into the defect to differentiate appropriately into cartilage cells," said Setton. Flexible and tough, the solid polymer has mechanical properties that can be controlled during synthesis for optimal functi...
Design of composite materials that detect terahertz discovered
...rials --so-called because they reverse many of the physical
properties that govern the behavior of ordinary ma...y predicted, in 1968, that materials which reverse physical
properties, such as the direction light bends when it passes through water, lenses and other ordinar...
Rice bioengineer wins international design contest
...pan a wide array of fields, including electronics, physical
sciences, materials, computer software, mechanics, machinery/automation, manufacturing/fabrication, mathematics/information sciences, and life sciences....
Stanford study questions identity of alleged Romanov bones
...v drama. ''There may be some ambiguity about which physical
remains belong to whom, but this uncertainty doesn't really change our fundamental understanding of the Russian Revolution and the nature of Bolshevism,'' said Robert Crews, an assistant professor of history at Stanford. Donald Ostrowski, a Russian h...
ORNL earns four Federal Laboratory Consortium awards
...w-power communications devices to operate in harsh physical
and atmospheric environments. ORNL researchers recognized for this work are Stephen Smith, Gregory Hanson, Michael Moore, John Jones Jr., Roberto Lenardduzzi, Michael Emery, Gary Turner, Nance Ericson, Timothy McKnight, James Hylton, James Moore, Ala...
PNNL recognized for commercializing technologies
...nducts fundamental research into complex chemical, physical
and biological systems and provides science-based solutions to critical issues in national security, energy and environmental quality. The laboratory employs more than 3,800 scientists, engineers, technicians and support staff, and has an annual budg...
Teens and young adults the new frontier in cancer says US cancer specialist
...s don't suspect it and often attribute symptoms to physical
exertion, fatigue, trauma and stress. One important factor was that the spectrum of cancers among adolescents and young adults is different from any other age. "There is no discipline in medicine devoted to this group. Neither paediatric oncologists...
Mix of chemicals plus stress damages brain, liver in animals and likely in humans
...o which could explain the origins of their diverse physical
and cognitive complaints, said Abou Donia. "The brain deficits we found in rats reside in specific areas of the brain that we can't measure in living humans," said Abou Donia. "This is why the deficits are so difficult to assess clinically and why an...
World's first databank for all living systems
...round the world -- in the biological, computer and physical
sciences. For example, the large-scale data integration will make it possible computationally to examine the effects of drug molecules on their environment and ecology. Cornell's wide-ranging experience in international education and research springs...
Seeking a mechanical solution to nation's number-one children's illness
...nge of situations than can be done by merely doing physical
experiments in a laboratory. The models also enabl...heir model, says Ghadiali, they do a corresponding physical
experiment in the lab to see how closely their results match. If a simulation faithfully reproduces ...
Purdue chemists 'put the twist' on protein building block
...gance," said Charles Pibel, program officer in the physical
chemistry program at the National Science Foundati... innovative ways. This work will appeal to lots of physical
chemists for that reason." The appeal to industry is not as obvious as it might be to fundam...
ESA prepares mission to search for life on Mars
...e surface, retrieve and analyse samples, study the physical
environment and look for evidence of biomarkers clear signs that life has existed on Mars in the past, or even survives to the present day," he added. ExoMars, which is scheduled for launch in 2009, includes an orbiter and a descent module that wil...
USC researchers produce a hairier mouse
...r were missing claws altogether. Then, while doing physical
exams on the mice, Maksim Plikus, a graduate stude...s also considered whether or not these changes are physical
variations or actual pathologies-disease states brought on by the genetic tinkering done on these mi...
Secondary complications and restoration of function in SCI
...gitudinal study of SCI patients sought to identify physical
and psychological factors associated with the cons...ency of pain, demographic and injury-related data, physical
and psychological health, function, and social support. Approximately half of the men and three-four...
Shark guide probes uncharted waters
...n to the photographs, the guide offers at-a-glance physical
descriptions, habitat and distribution information, side-by-side comparisons of similar species, and information about reducing the risk of shark attack. Species-specific experts have reviewed the content for accuracy. ...
Optically recording millisecond brain nerve impulses
...e with changes in electrical polarity. The quantum physical
optics phenomenon, second-harmonic generation (SHG) is the first multiphoton technique capable of detecting action potentials. SHG is particularly useful for imaging these impulses because it picks out only the cell membrane where impulses occur and ...
Three personal ads for physics
...fans love to see big hits," said Gay, who uses the physical
nature of football to tackle public fear of physics. Gay also writes and appears in television programs that familiarize viewers from around the world with the game of American football. He is one of the "pop physics" experts appearing at the America...
National ocean commissioners & scientists call for overhaul of ocean policies & management
...tural fluctuations in populations, communities and physical
oceanographic conditions. Therefore the goal is not a precise state but to retain a diverse system that maintains its own resilience in the face of change. For example, University of Washington researcher Ray Hilborn and colleagues have shown that in...
U.S. commission makes dramatic recommendations for ocean health
...nagement as multi-sector, multi-species and across physical
boundaries of the land/sea interface. "This means trying to manage coherently the different parts of the ecosystem so you don't only manage the target species, but look at the cumulative impact. For example, you think hard about how you can fit toge...
RNA inner workings partly unveiled in Stanford study
...rands of RNA and DNA are pushed apart has a simple physical
explanation: the RNA polymerase inserts itself as a wedge between the two, with the RNA trailing out the hole. That same opening is the one that the protein finger dips into. "One might have imagined this, but to see it is another thing entirely," sa...
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