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General Science news 1234

Great apes think ahead

June 18, 2008 | User rating: 4.8 / 5 after 13 vote(s) | User comments: 2

Apes can plan for their future needs just as we humans can – by using self-control and imagining future events. Mathias and Helena Osvath's research, from Lunds University Cognitive Science in Sweden, is the first to provide ...


Researchers unravel bacteria communication pathways

June 12, 2008 | User rating: 4.8 / 5 after 8 vote(s) | User comments: 1

MIT researchers have figured out how bacteria ensure that they respond correctly to hundreds of incoming signals from their environment.


Nasal spray using body's immune system provides hope of cure for common cold

June 23, 2008 | User rating: 4.8 / 5 after 12 vote(s) | No comments yet

Hopes of cure for common cold on the horizon
A nasal spray that mimics our own natural defense system may be the answer to beating the common cold, according to a report in the latest issue of the Society of Chemical ...


Ancient Mexican maize varieties

June 26, 2008 | User rating: 4.8 / 5 after 8 vote(s) | No comments yet

Maize was first domesticated in the highlands of Mexico about 10,000 years ago and is now one of the most important crop plants in the world. It is a member of the grass family, which also hosts the world's other major ...


Huge genome-scale phylogenetic study of birds rewrites evolutionary tree-of-life

June 26, 2008 | User rating: 4.8 / 5 after 8 vote(s) | No comments yet

The largest ever study of bird genetics has not only shaken up but completely redrawn the avian evolutionary tree. The study challenges current classifications, alters our understanding of avian evolution, and provides a ...


Worms do calculus to find meals or avoid unpleasantness

July 02, 2008 | User rating: 4.8 / 5 after 8 vote(s) | User comments: 1

Thanks to salt and hot chili peppers, researchers have found a calculus-computing center that tells a roundworm to go forward toward dinner or turn to broaden the search. It's a computational mechanism, they ...


Bacterial resistance is futile against wound-cleaning laser

July 01, 2008 | User rating: 4.7 / 5 after 14 vote(s) | No comments yet

A laser-activated antimicrobial offers hope for new treatments of bacterial infections, even those that are resistant to current drugs. Research published today in the open access journal BMC Microbiology describes ...


'Mind's eye' influences visual perception

July 01, 2008 | User rating: 4.7 / 5 after 31 vote(s) | User comments: 6

Letting your imagination run away with you may actually influence how you see the world. New research from Vanderbilt University has found that mental imagery—what we see with the "mind's eye"—directly impacts ...


Researchers find an Australian dinosaur with South American heritage

June 11, 2008 | User rating: 4.7 / 5 after 10 vote(s) | No comments yet

Australia's links to South America have just gotten a bit closer, but not due to economic forces, rather fossil forces.


Supercomputer explores biochemical landscape to find memory switches

June 20, 2008 | User rating: 4.7 / 5 after 10 vote(s) | User comments: 2

Switches are a part of daily life, from snoozing your alarm, turning on the coffee maker, firing up your car engine, and so on until we turn off the lights at night. Researchers have now cataloged even more ...


New technique produces genetically identical stem cells

July 01, 2008 | User rating: 4.7 / 5 after 10 vote(s) | No comments yet

Adult cells of mice created from genetically reprogrammed cells—so-called induced pluripotent stem (IPS) stem cells—can be triggered via drug to enter an embryonic-stem-cell-like state, without the need for further genetic ...


Microscopic 'clutch' puts flagellum in neutral

June 19, 2008 | User rating: 4.7 / 5 after 13 vote(s) | User comments: 3

A tiny but powerful engine that propels the bacterium Bacillus subtilis through liquids is disengaged from the corkscrew-like flagellum by a protein clutch, Indiana University Bloomington and Harvard ...


Super atoms turn the periodic table upside down

July 01, 2008 | User rating: 4.7 / 5 after 67 vote(s) | User comments: 7

Researchers at Delft University of Technology in The Netherlands have developed a technique for generating atom clusters made from silver and other metals. Surprisingly enough, these so-called super atoms ...


Researchers identify biofilms that cause infections

June 11, 2008 | User rating: 4.7 / 5 after 6 vote(s) | No comments yet

Understanding the way bacterial cells "talk" to each other could lead to more effective methods for fighting the often persistent and serious infections caused by the biofilms they form, says a Texas A&M University professor ...


Seeing Straight

June 27, 2008 | User rating: 4.7 / 5 after 6 vote(s) | User comments: 1

Evidence from laboratory studies and a pilot clinical trial confirms the promise of a simple treatment for amblyopia, or “lazy eye,” according to researchers from the United States and China.



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