News tagged with physiology
How did flowering plants evolve to dominate Earth?
Dec 01, 2009 |
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To Charles Darwin it was an 'abominable mystery' and it is a question which has continued to vex evolutionists to this day: when did flowering plants evolve and how did they come to dominate plant life on earth? Today a study ...
Oscar Pistorius' artificial limbs give him clear, major advantage for sprint running
Nov 17, 2009 |
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The artificial lower limbs of double-amputee Olympic hopeful Oscar Pistorius give him a clear and major advantage over his competition, taking 10 seconds or more off what his 400-meter race time would be if ...
Mirror images united: Simultaneous binding of both enantiomers of a drug to an enzyme
Oct 29, 2009 |
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(PhysOrg.com) -- In the binding pockets of enzymes their natural binding partners fit exactly. The principle by which many pharmacological agents work also relies on the fact that these substances fit exactly into the pockets ...
Novel findings shed light on how N-type channel function is modified by lipids
Oct 26, 2009 |
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The November 2009 issue of the Journal of General Physiology (JGP) contains two papers by the Rittenhouse laboratory that describe novel findings on how N-type voltage-gated calcium channel (VGCC) function is modified by lip ...
Scientists find autism-associated synapse alterations
Oct 12, 2009 |
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A Stanford University School of Medicine researcher has pinpointed the mechanism by which a gene associated with both autism and schizophrenia influences behavior in mice.
A simple way for older adults to assess arterial stiffness: reach for the toes
Oct 06, 2009 |
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How far you can reach beyond your toes from a sitting position - normally used to define the flexibility of a person's body - may be an indicator of how stiff your arteries are.
New study pinpoints gene controlling number of brain cells (w/ Video)
Medicine & Health / Neuroscience
Oct 04, 2009 |
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In populating the growing brain, neural stem cells must strike a delicate balance between two key processes - proliferation, in which the cells multiply to provide plenty of starting materials - and differentiation, in which ...
Study: Popular supplement quercetin does not enhance athletic performance
Sep 03, 2009 |
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The antioxidant quercetin is increasingly being marketed as a supplement that boosts athletic performance, but a new University of Georgia study finds that it is no better than a placebo.
Beetroot juice boosts stamina, new study shows
Aug 06, 2009 |
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(PhysOrg.com) -- Drinking beetroot juice boosts your stamina and could help you exercise for up to 16% longer. A University of Exeter led-study, published today, shows for the first time how the nitrate contained ...
Holding breath for several minutes elevates marker for brain damage
Aug 04, 2009 |
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Divers who held their breath for several minutes had elevated levels of a protein that can signal brain damage, according to a new study from the Journal of Applied Physiology. However, the appearance of the protein, S100B, ...
Navigating in the ocean of molecules
Jul 27, 2009 |
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(PhysOrg.com) -- Tracking down new active agents for cancer or malaria treatment could soon become easier - thanks to a computer program with which researchers from the Max Planck Institute of Molecular Physiology ...
Army study improves ability to predict drinking water needs
Jul 08, 2009 |
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When soldiers leave base for a 3-day mission, how much water should they bring? Military planners and others have long wrestled with that question, but new research from the Journal of Applied Physiology may now provide them a ...
Oscar Pistorius: Previously confidential study results released on amputee sprinter
Jun 29, 2009 |
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A team of experts in biomechanics and physiology that conducted experiments on Oscar Pistorius, the South African bilateral amputee track athlete, have just published their findings in the Journal of Applied Ph ...
Adult bone marrow stem cells injected into skeletal muscle can repair heart tissue
May 28, 2009 |
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University at Buffalo researchers have demonstrated for the first time that injecting adult bone marrow stem cells into skeletal muscle can repair cardiac tissue, reversing heart failure.
Radiation Review: Some People May be 'Allergic' to Cell Phones, Computers
May 15, 2009 |
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(PhysOrg.com) -- How exactly does the radiation from electromagnetic fields (EMF) affect the human body? Is it possible that cell phones, computer monitors, TVs, and other electronic devices - which operate ...
