News tagged with physiological
Is it ripe? Carbon nanotube-based ethylene sensor establishes fruit ripeness
(Phys.org) -- The term ethylene (ethene) generally brings to mind polyethylene plastics, not fruit. However, ethylene is more than just a feedstock for chemical industry, it is also the smallest plant hormone, ...
Chemistry / Analytical Chemistry
May 19, 2012 |
4.8 / 5 (5) |
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New details about gene regulation explained
(Phys.org) -- When genetic information is read from the genetic blueprint DNA, RNA polymerase II translates it into RNA molecules. The C-terminal domain, abbreviated as CTD, is an important area of the polymerase ...
May 21, 2012 |
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Radiation Review: Some People May be 'Allergic' to Cell Phones, Computers
(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 ...
Medicine & Health / Medical research
May 15, 2009 |
3.4 / 5 (38) |
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Genetic code used to engineer a living protein
Yale University researchers have successfully re-engineered the protein-making machinery in bacteria, a technical tour de force that promises to revolutionize the study and treatment of a variety of diseases.
Aug 25, 2011 |
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Termites' digestive system could act as biofuel refinery
One of the peskiest household pests, while disastrous to homes, could prove to be a boon for cars, according to a Purdue University study.
Jul 05, 2011 |
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PETMAN robot to closely simulate soldiers (w/ Video)
(PhysOrg.com) -- A freely walking biped robot the size and shape of a human being is being developed to realistically simulate a soldier wearing protective clothing.
Apr 27, 2010 |
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Researchers discover key mechanism behind sleep
Washington State University researchers have discovered the mechanism by which the brain switches from a wakeful to a sleeping state. The finding clears the way for a suite of discoveries, from sleeping aids ...
Medicine & Health / Medical research
Sep 14, 2010 |
4.5 / 5 (15) |
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A bird's song may teach us about human speech disorders
(PhysOrg.com) -- Can the song of a small bird provide valuable insights into human stuttering and speech-related disorders and conditions, including autism and stroke? New research by UCLA life scientists ...
Mar 06, 2012 |
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Beetroot juice boosts stamina, new study shows
(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 ...
Aug 06, 2009 |
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New study pinpoints gene controlling number of brain cells (w/ Video)
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 ...
Medicine & Health / Neuroscience
Oct 04, 2009 |
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Some males react to competition like bonobos, others like chimpanzees
The average man experiences hormone changes similar to the passive bonobo prior to competition, but a "status-striving" man undergoes changes that mirror those found in a chimpanzee, say researchers from Duke and Harvard ...
Jun 28, 2010 |
3.8 / 5 (4) |
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The biology of politics: Liberals roll with the good, conservatives confront the bad
From cable TV news pundits to red-meat speeches in Iowa and New Hampshire, our nation's deep political stereotypes are on full display: Conservatives paint self-indulgent liberals as insufferably absent on urgent national ...
Other Sciences / Social Sciences
Jan 05, 2012 |
4.2 / 5 (16) |
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Under a cloud -- darkness linked to 'brain drain' in depressed people
A lack of sunlight is associated with reduced cognitive function among depressed people. Researchers writing in BioMed Central's open access journal Environmental Health used weather data from NASA satellites to measure sunlig ...
Medicine & Health / Psychology & Psychiatry
Jul 28, 2009 |
5 / 5 (4) |
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Think again about keeping little ones so squeaky clean
A new Northwestern University study suggests that American parents should ease up on antibacterial soap and perhaps allow their little ones a romp or two in the mud --- or at least a much better acquaintance with everyday ...
Medicine & Health / Medical research
Dec 08, 2009 |
5 / 5 (16) |
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How did flowering plants evolve to dominate Earth?
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 ...
Dec 01, 2009 |
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