Daily non-political popular news in brief.
Test finds manufactured nanoparticles don't harm soil ecology
03-22-2007 · EurekAlert!The first published study on the environmental impact of manufactured nanoparticles on ordinary soil showed no negative effects, which is contrary to concerns voiced by some that the microscopic particles could be harmful to organisms.
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Keywords: test, manufactured, nanoparticles, harm, soil, ecology, nanoparticle
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- Blue eyes -- A clue to paternity
10-23-2006 · EurekAlert!
Before you request a paternity test, spend a few minutes looking at your child's eye color. According to studies, published this week in Behavioral Ecology and Sociobiology, the human eye color reflects a simple, predictable and reliable genetic pattern of inheritance. The researchers show that blue-eyed men find blue-eyed women most attractive. According to the researchers, it is because there could be an unconscious male adaptation for the detection of paternity, based on eye color.
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- Technique controls nanoparticle size, makes large numbers
12-04-2007 · EurekAlert!
Pratim Biswas of Washington University in St. Louis conducts research on nanoparticles, which are the building blocks for nanotechnology. For the first time, Biswas has shown that he can independently control the size of the nanoparticles that he makes, keeping their other properties the same. He's also shown with his technique that the nanoparticles can be made in large quantities in scalable systems, opening up the possibility for more applications and different techniques.
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- Fire, ice, and invasion
11-14-2007 · EurekAlert!
The November 2007 special issue of Frontiers in Ecology and the Environment focuses on paleoecology, which uses fossilized remains and soil and sediment cores to reconstruct past ecosystems.
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- Fantastic voyage: Drug delivery by a nanoparticle
02-13-2008 · Massachusetts Institute of Technology (MIT)
An image portrays targeted nanoparticles delivering high doses of chemotherapy to cancer cells. A team including MIT Institute Professor Robert Langer has demonstrated the precision required to engineer a nanoparticle that is effective in targeted drug delivery.
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- Which came first, the moth or the cactus?
08-13-2007 · EurekAlert!
It's not a good idea to put all your eggs in one basket -- unless you're a senita moth. Found in the parched Sonoran desert, the moths have a rare, mutually dependent relationship with senita cacti, one of only three known dependencies in which an insect actively pollinates flowers for the purpose of assuring a food resource for its offspring. Rice University ecologists are using the relationship to test new theories of community ecology.
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- Nanoparticle Assembly Enters the Fast Lane
10-11-2006 · Brookhaven National Laboratory
The speed of nanoparticle assembly can be accelerated with the assistance of the molecule that carries life's genetic instructions, DNA. Nanoparticles, particles with dimensions on the order of billionths of a meter, could potentially be used for more efficient energy generation and data storage, as well as improved methods for diagnosing and treating disease.
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- Scientific literacy happens -- when students think for themselves
02-18-2007 · EurekAlert!
Give college students less instruction and more freedom to think for themselves in laboratory classes, and the result may be a four-fold increase in their test scores. So says Steve Rissing, a professor of evolution, ecology and organismal biology at Ohio State University. Rissing played a major role in revamping the way the university teaches its introductory-level biology courses.
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- Pairing Nanoparticles with Proteins
06-27-2007 · Brookhaven National Laboratory
In groundbreaking research, scientists have demonstrated the ability to strategically attach gold nanoparticles - particles on the order of billionths of a meter - to proteins so as to form sheets of protein-gold arrays. The nanoparticles and methods to create nanoparticle-protein complexes can be used to help decipher protein structures, to identify functional parts of proteins, and to "glue" together new protein complexes.
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- Scientists design simple dipstick test for cocaine, other drugs
11-13-2006 · EurekAlert!
Researchers at the University of Illinois at Urbana-Champaign have developed a simple "dipstick" test for detecting cocaine and other drugs in saliva, urine or blood serum. The test is based upon DNA-gold nanoparticle technology, and can be packaged in user-friendly kits similar to those used for home pregnancy tests.
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- Scientists discover cost-effective ways to improve crop output in Uganda
05-16-2007 · EurekAlert!
A team of American and Ugandan researchers worked with local farmers to test low-cost soil management alternatives in eastern Uganda. While each alternative soil treatment increased crop output, findings suggest that the best treatment plan varies from farmer to farmer as it is dependent on other factors.
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