Archive: 10/23/2007
Uranium isotope ratios are not invariant, researchers show
For years, the ratio of uranium’s two long-lived isotopes, U-235 and U-238, has been considered invariant, despite measurements made in the mid-1970s that hinted otherwise. Now, with improved precision from state-of-the-art ...
Space & Earth / Earth Sciences
Oct 23, 2007 |
4.3 / 5 (15) |
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Age increases chance of success as two-timer
The coal tit appears to live a strictly monogamous life. Couples often stay together for their whole lives. That's only a facade. This indigenous songbird is among the top ten two-timers worldwide. That is what research by ...
Biology /
Oct 23, 2007 |
4 / 5 (1) |
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Quantitative PET imaging finds early determination of effectiveness of cancer treatment
With positron emission tomography (PET) imaging, seeing is believing: Evaluating a patient’s response to chemotherapy for non-Hodgkin lymphoma (NHL) typically involves visual interpretation of scans of cancer tumors. Researchers ...
Oct 23, 2007 |
4 / 5 (2) |
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More on mate tea: lower cholesterol and an international agreement
When a study in her lab showed that mate (mah’ tā) tea drinkers had experienced a significant increase in the activity of an enzyme that promotes HDL (good) cholesterol while lowering LDL (bad) cholesterol, University ...
Oct 23, 2007 |
4.5 / 5 (8) |
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Space Shuttle Discovery Blasts Off
The space shuttle Discovery and its seven-member crew lifted off Tuesday, Oct. 23, from NASA's Kennedy Space Center in Florida at 11:38 a.m. EDT to continue construction of the International Space Station. ...
Space & Earth / Space Exploration
Oct 23, 2007 |
3.8 / 5 (9) |
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Researchers Uncover Physics of Coiling Ropes
When a mountain climber drops a rope, it often forms a series of coils on the ground. Not only thick ropes, but also sewing thread and even cooked spaghetti behave in a similar way. Recently, scientists have ...
Nuclear power worldwide: status and outlook
The IAEA makes two annual projections concerning the growth of nuclear power, a low and a high. The low projection assumes that all nuclear capacity that is currently under construction or firmly in the development pipeline ...
Oct 23, 2007 |
4.6 / 5 (13) |
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Platinum-rich shell, platinum-poor core
Hydrogen fuel cells will power the automobiles of the future; however, they have so far suffered from being insufficiently competitive. At the University of Houston, Texas, USA, a team led by Peter Strasser has now developed ...
Nanotechnology / Nanomaterials
Oct 23, 2007 |
4.3 / 5 (35) |
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Financial incentives may hold key to cutting child malaria deaths
Giving small financial incentives to health workers in low-income countries may hold the key to reducing the huge death toll from malaria in young children, according to a study published on bmj.com today.
Oct 23, 2007 |
4 / 5 (2) |
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Wide income gap linked to deaths in both rich and poor nations
A wide income gap between the most affluent and the worst off in society is closely associated with higher death rates worldwide, especially for younger adults, finds a study published on bmj.com today as part of a global ...
Oct 23, 2007 |
4.3 / 5 (3) |
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Hopkins researchers release genome data on autism
Researchers at Johns Hopkins’ McKusick-Nathans Institute of Genetic Medicine today are releasing newly generated genetic data to help speed autism research. The Hopkins data, coordinated with a similar data release from the ...
Oct 23, 2007 |
4.6 / 5 (5) |
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Social stress + darkness = increased anxiety
Just in time for Halloween, researchers are releasing new data that show darkness increases the impact of social stress, in an article scheduled for publication in the November 15th issue of Biological Psychiatry. As ch ...
Medicine & Health / Psychology & Psychiatry
Oct 23, 2007 |
4.8 / 5 (4) |
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Critically endangered Amur leopard captured
A rare Amur leopard (Panthera pardus orientalis), one of only an estimated 30 left in the wild has been captured and health-checked by experts from a consortium of conservation organizations, before being ...
Biology /
Oct 23, 2007 |
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