News tagged with natural radiation
Astronomers solve mystery of vanishing energetic electrons in Earth's outer radiation belt
UCLA researchers have explained the puzzling disappearing act of energetic electrons in Earth's outer radiation belt, using data collected from a fleet of orbiting spacecraft.
Jan 29, 2012 |
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Scientists elevate little-studied cellular mechanism to potential drug target
For years, science has generally considered the phosphorylation of proteins -- the insertion of a phosphorous group into a protein that turns it on or off -- as perhaps the factor regulating a range of cellular processes ...
Dec 11, 2011 |
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Mechanical micro-drum cooled to quantum ground state
Showcasing new tools for widespread development of quantum circuits made of mechanical parts, scientists from the National Institute of Standards and Technology have demonstrated a flexible, broadly usable ...
Jul 06, 2011 |
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Nano-FTIR-nanoscale infrared spectroscopy with a thermal source
Researchers from the Basque nanoscience research center CIC nanoGUNE and Neaspec GmbH (Germany) have developed an instrument that allows for recording infrared spectra with a thermal source at a resolution ...
May 09, 2011 |
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Man, volcanoes and the sun have influenced Europe's climate over recent centuries
An International research team has discovered that seasonal temperatures in Europe, above all in winter, have been affected over the past 500 years by natural factors such as volcanic eruptions and solar activity, ...
Space & Earth / Earth Sciences
Jan 19, 2011 |
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A breakthrough for terahertz semiconductor lasers
(PhysOrg.com) -- Potential applications, says an engineering professor, include disease diagnosis and detection of concealed explosives.
Jan 13, 2011 |
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Biologists find way to reduce stem cell loss during cancer treatment
Biologists at the University of California, San Diego have discovered that a gene critical for programmed cell death is also important in the loss of adult stem cells, a finding that could help to improve the health and well-being ...
Sep 05, 2010 |
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New role for the JNK protein
Put simply, a tumor is the result of out-of-control cell growth. To assure that the cell cycle - the cell's process of duplicating itself to make more cells - goes smoothly, a large network of proteins tells other proteins ...
Jul 14, 2010 |
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How do free electrons originate?
Scientists at Max Planck Institute of Plasma Physics (IPP) in Garching and Greifswald and Fritz Haber Institute in Berlin, Germany, have discovered a new way in which high-energy radiation in water can release slow electrons. ...
Jan 20, 2010 |
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New cancer target for non-Hodgkin's lymphoma
Physician-scientists from Weill Cornell Medical College have discovered a molecular mechanism that may prove to be a powerful target for the treatment of non-Hodgkin's lymphoma, a type of cancer that affects lymphocytes, ...
Nov 22, 2009 |
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Plentiful poinsettias without PGRs
Poinsettias can be a lucrative crop for ornamental plant growers, particularly during the Christmas season. In the temperate regions of the southern hemisphere, where poinsettias are grown for both export ...
Nov 04, 2009 |
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Do dust particles curb climate change?
(PhysOrg.com) -- A knowledge gap exists in the area of climate research: for decades, scientists have been asking themselves whether, and to what extent man-made aerosols, that is, dust particles suspended ...
Space & Earth / Earth Sciences
Oct 06, 2009 |
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Under Observation -- Restless Atoms Cause Materials to Age
(PhysOrg.com) -- Atoms have the habit of jumping through solids - a practice that physicists have recently been able to follow for the first time using a brand new method. This scientific advance was made ...
Sep 14, 2009 |
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Transparent aluminium is 'new state of matter'
(PhysOrg.com) -- Oxford scientists have created a transparent form of aluminium by bombarding the metal with the world’s most powerful soft X-ray laser. 'Transparent aluminium' previously only existed in science ...
Jul 27, 2009 |
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Testing relativity in the lab
Even Albert Einstein might have been impressed. His theory of general relativity, which describes how the gravity of a massive object, such as a star, can curve space and time, has been successfully used to ...
Jul 20, 2009 |
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