Sunday, September 09, 2007

Science Sunday: Wrap-up of recent advancements in science from EurekAlert!

Bacteria successful in cancer treatment:
Bacteria that thrive in oxygen starved environments have been used successfully to target cancer tumours, delivering gene therapy based anti-cancer treatments, according to scientists speaking today, Sept. 6, 2007, at the Society for General Microbiology's 161st Meeting at the University of Edinburgh, UK, which runs Sept. 3-6, 2007.

New viruses to treat bacterial diseases -- 'My enemies' enemy is my friend':
Viruses found in the River Cam in Cambridge, famous as a haunt of students in their punts on long, lazy summer days, could become the next generation of antibiotics, according to scientists speaking today (Monday Sept. 3 2007) at the Society for General Microbiology's 161st Meeting at the University of Edinburgh, UK, which runs from Sept. 3-6 2007.

Superbugs, shapes and nanotechnology:
A common hospital superbug called Clostridium has a protective coat of armor that can self assemble when put into a test tube on its own, which may have important commercial uses in nanotechnology, according to scientists speaking today, Sept. 6, 2007, at the Society for General Microbiology's 161st Meeting at the University of Edinburgh, UK, which runs Sept. 3-6, 2007.

Bacteria from sponges make new pharmaceuticals:
Thousands of interesting new compounds have been discovered inside the bodies of marine sponges according to scientists speaking today, Sept. 4, 2007, at the Society for General Microbiology's 161st Meeting at the University of Edinburgh, UK, which runs Sept. 3-6, 2007.

New technique producing small things in large quantities:
New fabrication technique capable of producing nanodevices to outdate LCD televisions.

The genes involved in rheumatoid arthritis identified:
The human genome has now been thoroughly screened in the hunt for the genetic causes of rheumatoid arthritis. The results, which both confirms previous hypotheses and turn the spotlight on entirely new genes, are presented in two articles in the prestigious New England Journal of Medicine.

Skin as a living coloring book:
The pigment melanin, which is responsible for skin and hair color in mammals, is produced in specialized cells called melanocytes and then distributed to other cells. But not every cell in the complex layers of skin becomes pigmented. The question of how melanin is delivered to appropriate locations may have been answered by a new study.

Dangerous Liaisons:
A German-American research collaboration discovers how the immune system can drive the formation of new species.

Migrating squid drove evolution of sonar in whales and dolphins, researchers argue:
Sperm whales, dolphins and other "toothed" whales hunt squid so deep in the ocean they must rely on biosonar. UC Berkeley paleontologists argue for a likely evolutionary scenario that explains how these whales developed echolocation. What initially was a rudimentary echolocating ability to find hard-bodied nautiloids in surface waters 40 million years ago was perfected, as nautiloids declined, into a refined biosonar system able to find soft-bodied squid as they migrate downward during the day.

Scripps Research scientists reveal pivotal hearing structure:
A team of scientists made up of two laboratory groups from the Scripps Research Institute and one from the National Institutes of Health has shed light on how our bodies convert vibrations entering the ear into electrical signals that can be interpreted by the brain. Exactly how the electrical signal is generated has been the subject of ongoing research interest.

Physicists establish 'spooky' quantum communication:
Physicists at the University of Michigan have coaxed two separate atoms to communicate with a sort of quantum intuition that Albert Einstein called "spooky."

Princeton engineers develop low-cost recipe for patterning microchips:
Creating ultrasmall grooves on microchips -- a key part of many modern technologies -- is about to become as easy as making a sandwich, using a new process invented by Princeton engineers. The simple, low-cost technique results in the self-formation of periodic lines, or gratings, separated by as few as 60 nanometers -- less than one ten-thousandth of a millimeter -- on microchips.

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