News tagged with controlled motions


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Search results for controlled motions


Argonne scientists use bacteria to power simple machines (w/ Video)

Argonne scientists use bacteria to power simple machines (w/ Video)

Chemistry / Biochemistry

created Dec 16, 2009 | popularity 4.8 / 5 (4) | comments 0

(PhysOrg.com) -- Scientists at the U.S. Department of Energy's Argonne National Laboratory and Northwestern University, Evanston, have discovered that common bacteria can turn microgears when suspended in ...


Within a cell, actin keeps things moving

Within a cell, actin keeps things moving

Chemistry / Biochemistry

created Dec 17, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Using new technology developed in his University of Oregon lab, chemist Andrew H. Marcus and his doctoral student Eric N. Senning have captured what they describe as well-orchestrated, actin-driven, ...


The role of medical expert witnesses: the Goudge Inquiry

Medicine & Health / Other

created 11 hours ago | popularity not rated yet | comments 0

The role of a medical expert witness needs to be strictly defined and carefully controlled during legal proceedings and physicians need to be aware of their role, states an analysis of the Goudge Inquiry into pediatric forensic ...


Researchers design a tool to induce controlled suicide in human cells

Chemistry / Biochemistry

created Dec 17, 2009 | popularity not rated yet | comments 0

When cells accumulate excessive errors in the proteins they produce, apoptosis is activated, that is to say, a cell suicide programme; however, beforehand the cells attempt to rectify the problem through a number of rescue ...


Modern human brain

Scientists decode memory-forming brain cell conversations

Medicine & Health / Neuroscience

created Dec 16, 2009 | popularity 4.5 / 5 (13) | comments 0

The conversations neurons have as they form and recall memories have been decoded by Medical College of Georgia scientists.


More blood vessels in hormone-resistant prostate tumors

Medicine & Health / Cancer

created Dec 15, 2009 | popularity not rated yet | comments 0

Patients with advanced prostate cancer are often treated with hormones, but when the tumours start growing again they have more and different blood vessels, reveals a thesis from the Sahlgrenska Academy, at the University ...


Close-up photos of dying star show our sun's fate

Close-up photos of dying star show our sun's fate (w/ Video)

Space & Earth / Astronomy

created Dec 15, 2009 | popularity 5 / 5 (21) | comments 5

(PhysOrg.com) -- About 550 light-years from Earth, a star like our Sun is writhing in its death throes. Chi Cygni has swollen in size to become a red giant star so large that it would swallow every planet ...


Breathlessness eased in patients with rare, often fatal disease

Medicine & Health / Diseases

created Dec 17, 2009 | popularity not rated yet | comments 0

Patients with a rare, deadly disease that mostly affects young women felt a dramatic reduction in breathlessness using an approved drug, according to study results published online today in The Journal of Heart and Lung Tr ...


Bioengineered materials promote the growth of functional vasculature, new study shows

Bioengineered materials promote the growth of functional vasculature, new study shows

Medicine & Health / Research

created 9 hours ago | popularity 4.7 / 5 (3) | comments 0

Regenerative medicine therapies often require the growth of functional, stable blood vessels at the site of an injury. Using synthetic polymers called hydrogels, researchers at the Georgia Institute of Technology ...


Mastery of physical goals lessens disease-related depression and fatigue

Mastery of physical goals lessens disease-related depression and fatigue

Medicine & Health / Psychology & Psychiatry

created Dec 15, 2009 | popularity not rated yet | comments 0

Physical activity is known to reduce depression and fatigue in people struggling with chronic illness. A new study indicates that this effect stems from an individual's sense of mastery over - or belief in ...



List of search results for controlled motions