News tagged with society
Study of alternate bearing presents recommendations for citrus growers
Nov 02, 2009 |
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Alternate bearing (also called biennial or uneven bearing) is the tendency of fruit trees to produce a heavy crop one year (called "on-crop") followed by a light crop or no crop the following "off-crop" year. ...
Why do animals, especially males, have so many different colors?
Oct 31, 2009 |
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(PhysOrg.com) -- In new research, UCLA scientists claim that "secondary sexual traits" like coloring may let animals know which species to avoid fighting.
'Technology' plays large role in wealth inheritance
Other Sciences / Social Sciences
Oct 30, 2009 |
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A new study reveals the important role inherited wealth plays in sustaining economic inequality in small scale societies. A team of 26 anthropologists, statisticians, and economists based at the Santa Fe Institute in New ...
Porphyrin Dimers Increase Efficiency of Dye-Sensitized Solar Cells
Oct 30, 2009 |
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(PhysOrg.com) -- Porphyrins are most commonly thought of as the pigment in red blood cells, but now scientists have found that porphyrins can also be used to increase the efficiency of an inexpensive type ...
Gold Nanoparticles Delivery Platinum Warheads to Tumors
Nanotechnology / Bio & Medicine
Oct 29, 2009 |
4.9 / 5 (7) |
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(PhysOrg.com) -- Cisplatin is one of the most powerful and effective drugs for treating a wide variety of cancers, but serious side effects ultimately limit the drug's use and effectiveness. Now, however, researchers have ...
Low vitamin D levels explains most ESRD risk in African-Americans
Oct 29, 2009 |
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Low levels of vitamin D may account for nearly 60 percent of the elevated risk of end-stage renal disease (ESRD) in African Americans, according to a report in the December Journal of the American Society of Nephrology (J ...
Genes drive behaviour, but culture can select genes: study
Oct 28, 2009 |
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Culture, not just genes, can drive evolutionary outcomes, according to a study released Wednesday that compares individualist and group-oriented societies across the globe.
Next-generation microcapsules deliver 'chemicals on demand'
Nanotechnology / Bio & Medicine
Oct 28, 2009 |
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Scientists in California are reporting development of a new generation of the microcapsules used in carbon-free copy paper, in which capsules burst and release ink with pressure from a pen. The new microcapsules ...
American Cancer Society calls for new strategies to monitor exposure to environmental carcinogens
Oct 28, 2009 |
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A new report from an American Cancer Society scientific advisory subcommittee on cancer and the environment says exposure to carcinogens should be minimized or eliminated whenever feasible, and calls for new strategies to ...
'Culture of we' buffers genetic tendency to depression
Medicine & Health / Psychology & Psychiatry
Oct 27, 2009 |
4.9 / 5 (16) |
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A genetic tendency to depression is much less likely to be realized in a culture centered on collectivistic rather than individualistic values, according to a new Northwestern University study.
Scientists Make Ink Disappear, Make Paper Reusable
Oct 27, 2009 |
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(PhysOrg.com) -- Despite ongoing efforts to save the trees, many offices print high volumes of paper documents on a daily basis. Although many companies encourage paper recycling, both disposing of and recycling ...
Tsunami waves reasonably likely to strike Israel
Space & Earth / Earth Sciences
Oct 26, 2009 |
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"There is a likely chance of tsunami waves reaching the shores of Israel," says Dr. Beverly Goodman of the Leon H. Charney School of Marine Sciences at the University of Haifa following encompassing geoarchaeological research ...
Male Australian redback spiders employ courtship strategies to preserve their life
Oct 22, 2009 |
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(PhysOrg.com) -- New research shows that male suitors of a female cannibalistic spider risk facing a premature death unless they perform an adequate courtship lasting a minimum of 100 minutes. Further, the research shows ...
Designer molecule detects tiny amounts of cyanide, then glows
Oct 21, 2009 |
4 / 5 (3) |
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(PhysOrg.com) -- A small molecule designed to detect cyanide in water samples works quickly, is easy to use, and glows under ultraviolet or "black" light. Although the fluorescent molecule is not yet ready ...
It takes two to tutor a sparrow
Oct 21, 2009 |
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(PhysOrg.com) -- It may take a village to raise a child, and apparently it takes at least two adult birds to teach a young song sparrow how and what to sing.
