News tagged with variability
The violent youth of solar proxies steer course of genesis of life
Just how rare life is in the Universe is one of the key questions in the natural sciences today. By pulling in multidisciplinary expertise from biology, geology, physics and astronomy, astrobiologists are ...
Aug 10, 2009 |
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On the move: 'Jumping genes' create diversity in human brain cells
Rather than sticking to a single DNA script, human brain cells harbor astonishing genomic variability, according to scientists at the Salk Institute for Biological Studies. The findings, to be published in ...
Aug 05, 2009 |
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How pathogens have shaped genes involved in our immune system
(PhysOrg.com) -- A recent study on human genetics on various populations across the world conducted by researchers from the Institut Pasteur and the CNRS (France) has shown how pathogens can shape the patterns of genetic ...
Jul 28, 2009 |
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No crystal ball necessary: New tool IDs predictable economic variables
You don't need a crystal ball to tell you what is going to happen next in the economy. You need a statistical model. A new method from North Carolina State University can help researchers determine which economic variables ...
Jul 21, 2009 |
4.3 / 5 (3) |
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National Semiconductor Introduces Industry's Lowest-Noise Frequency Synthesizer
National Semiconductor today announced the industry’s lowest-noise, fully integrated frequency synthesizer. The PowerWise LMX2541 provides less than 2 milli-radians (mrad) root-mean-square (rms) noise at 2.1 ...
Jul 06, 2009 |
5 / 5 (3) |
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Beetles drive groundbreaking conservation project
They are cursed the world over for contaminating food supplies and are a huge commercial pest, but the humble flour beetle is about to play a significant role in the management of endangered species.
May 19, 2009 |
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Study confirms 3 Neanderthal sub-groups
The Neanderthals inhabited a vast geographical area extending from Europe to western Asia and the Middle East 30,000 to 100,000 years ago. Now, a group of researchers are questioning whether or not the Neanderthals ...
Apr 15, 2009 |
4.7 / 5 (6) |
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Scientist to 'refine' size of Universe with Kepler
(PhysOrg.com) -- An astronomer at the University of St Andrews will use a powerful planet-hunting telescope to find out the true size of the Universe.
Apr 13, 2009 |
4.5 / 5 (15) |
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New study reveals: Gifted children shape their personalities according to social stigma
Gifted youths already know what they want to be when they grow up. They usually choose to study applied sciences, but when they are asked why they made their choices, they are not able to explain.
Other Sciences / Social Sciences
Mar 03, 2009 |
4.1 / 5 (8) |
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Inflammation may be common thread behind nervous and heart rhythm problems in cirrhosis
Liver cirrhosis is the seventh leading cause of death in the United States, taking 25,000 lives per year. It is often the result of alcohol over-consumption or exposure to hepatitis C, either of which can damage the liver ...
Medicine & Health / Diseases, Conditions, Syndromes
Feb 10, 2009 |
5 / 5 (1) |
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Cyclogyro Flying Robot Improves its Angles of Attack
(PhysOrg.com) -- In the past few decades, researchers have been investigating a variety of flying machines. Most studies have focused on improving the flying performance of standard flying mechanisms, rather ...
Jan 22, 2009 |
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Political variables do not improve the performance of trading rules
A new study in The Financial Review provides empirical evidence on the Democratic premium and the presidential cycle effect by examining the implications of both factors on the predictability of U.S. excess stock returns.
Jan 21, 2009 |
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Satellites help locate water in Niger
(PhysOrg.com) -- Like most sub-Saharan African countries, Niger faces problems meeting its water needs. As part of ESA’s TIGER initiative, satellite data are being used to identify surface and underground ...
Space & Earth / Earth Sciences
Jan 19, 2009 |
4.5 / 5 (2) |
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Measuring quantum information without destroying it
(PhysOrg.com) -- One of the Holy Grails - so to speak - of science involves building quantum computers that can perform, with accuracy, the computations too advanced and too large for classical computers. While we remain ...
Jan 15, 2009 |
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