News tagged with persistence
Physicists Measure Elusive 'Persistent Current' That Flows Forever
(PhysOrg.com) -- Physicists at Yale University have made the first definitive measurements of "persistent current," a small but perpetual electric current that flows naturally through tiny rings of metal wire ...
Oct 08, 2009 |
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Study of 'Persistent Currents' Finally Verifies Theory
(PhysOrg.com) -- Approximately 20 years ago, scientists discovered that is is possible for an electric current to flow endlessly in a ring made of a normal metal. One might think that such an 'old' finding ...
Apr 28, 2009 |
4.7 / 5 (23) |
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Vegetative state patients may soon be able to communicate
(PhysOrg.com) -- Researchers from Cambridge University in the UK have been able to communicate with brain-injured patients in "locked states" commonly referred to as persistent vegetative states (PVS). They ...
Medicine & Health / Neuroscience
Sep 22, 2010 |
4.4 / 5 (19) |
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Scientists learn to block pain at its source
A substance similar to capsaicin, which gives chili peppers their heat, is generated at the site of pain in the human body. Scientists at The University of Texas Health Science Center at San Antonio have discovered how to ...
Medicine & Health / Medical research
Apr 26, 2010 |
5 / 5 (13) |
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Has warming put 'Dirty Dozen' pollutants back in the saddle?
"Dirty Dozen" chemicals, including the notoriously toxic DDT, are being freed from Arctic sea ice and snow through global warming, a study published on Sunday suggested.
Jul 24, 2011 |
3.9 / 5 (11) |
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Milk drinking: in our genes?
(PhysOrg.com) -- A new study led by UCL scientists has found that current genetic data cannot explain why vast swathes of the world can digest milk.
Mar 16, 2010 |
4.7 / 5 (9) |
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UN: Treaty expanded by 9 more dangerous chemicals
(AP) -- A U.N.-sponsored treaty to combat highly dangerous chemicals has been expanded beyond the original "dirty dozen" to include nine more substances that are used in pesticides, flame retardants and other products, U.N. ...
May 09, 2009 |
3.3 / 5 (7) |
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Dust from distant lands may affect climate and health in the Americas and Europe
Residents of the southern United States and the Caribbean have seen it many times during the summer months—a whitish haze in the sky that seems to hang around for days. The resulting thin film of dust on their homes and ...
Feb 19, 2010 |
3.3 / 5 (6) |
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Long-term poverty but not family instability affects children's cognitive development
Children from homes that experience persistent poverty are more likely to have their cognitive development affected than children in better off homes, reveals research published ahead of print in the Journal of Epidemiology an ...
Apr 21, 2011 |
4.8 / 5 (4) |
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Nine toxic chemicals join banned 'dirty dozen': UN agency
The UN said Thursday an insecticide used in farming and to treat woodworm, Lindane, was among nine highly toxic chemicals added to a "dirty dozen" of dangerous substances on an international red list.
Aug 26, 2010 |
3.2 / 5 (5) |
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UN targets endosulfan for elimination
(PhysOrg.com) -- Endosulfan is a leading pesticide used mainly on coffee, tea and cotton crops throughout the world, as well as a wood preservative. It belongs to a family of organic compounds known as organochlorines ...
May 09, 2011 |
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White, but not pure
Even the snow on Aconcagua Mountain in the Andes is polluted with PCBs. An international team of researchers detected low concentrations of these toxic, carcinogenic chlorine compounds in samples taken from ...
Dec 07, 2009 |
4.7 / 5 (3) |
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Does the weather cause northerners to get more prostate cancer?
Cold, dry weather has been linked to an increased incidence of prostate cancer. Researchers writing in BioMed Central's open access International Journal of Health Geographics suggest that meteorological effects on persis ...
Apr 21, 2010 |
4.3 / 5 (3) |
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Numbness, tingling or pain in arms and hands? Peripheral nerve damage could be the culprit
(PhysOrg.com) -- Ignoring persistent pain and disturbing bouts of tingling or numbness in your arms, elbow and hands won't make the problem go away: It's more likely to worsen conditions that are very treatable.
Oct 28, 2010 |
4.3 / 5 (3) |
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Scientists analyze Hurricane Ike's effects on waterways, fish contamination
A long-term environmental research project being conducted at the University of Houston may offer important information about the effects of Hurricane Ike on pollution levels and help regulators determine whether existing ...
Jul 07, 2009 |
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