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Medicine & Health news 1234

Researchers create beating heart in laboratory

January 13, 2008 | User rating: 4.9 / 5 after 78 vote(s) | User comments: 8

University of Minnesota researchers have created a beating heart in the laboratory. By using a process called whole organ decellularization, scientists from the University of Minnesota Center for Cardiovascular Repair grew ...


Scientists find key to avian flu in humans

January 06, 2008 | User rating: 4.7 / 5 after 26 vote(s) | User comments: 3

MIT researchers have uncovered a critical difference between flu viruses that infect birds and humans, a discovery that could help scientists monitor the evolution of avian flu strains and aid in the development of vaccines ...


New route for heredity bypasses DNA

January 04, 2008 | User rating: 4.6 / 5 after 51 vote(s) | User comments: 1

A group of scientists in Princeton's Department of Ecology and Evolutionary Biology has uncovered a new biological mechanism that could provide a clearer window into a cell's inner workings.


Researchers uncover key trigger for potent cancer-fighting marine product

January 04, 2008 | User rating: 4.5 / 5 after 31 vote(s) | No comments yet

An unexpected discovery in marine biomedical laboratories at Scripps Institution of Oceanography at UC San Diego has led to new, key information about the fundamental biological processes inside a marine organism ...


Novel mechanism for long-term learning identified by Carnegie Mellon researchers

January 03, 2008 | User rating: 4.4 / 5 after 65 vote(s) | User comments: 1

Practice makes perfect — or at least that’s what we’re told as we struggle through endless rounds of multiplication tables, goal kicks and piano scales — and it seems, based on the personal experience of many, to be true. ...


Daily alcohol use causes changes in sexual behavior, new study reveals

January 02, 2008 | User rating: 3.3 / 5 after 34 vote(s) | No comments yet

A team of researchers at Penn Sate has used an animal model to reveal, for the first time, a physiological basis for the effect of alcohol on male sexual behavior, including increased sexual arousal and decreased ...


Winemaking waste proves effective against disease-causing bacteria in early studies

January 02, 2008 | User rating: 4.7 / 5 after 18 vote(s) | User comments: 1

Potential source of next-generation drugs against oral disease: Pinot noir
A class of chemicals in red wine grapes may significantly reduce the ability of bacteria to cause cavities, according to a study published ...


Humans appear hardwired to learn by 'over-imitation'

December 05, 2007 | User rating: 4.6 / 5 after 37 vote(s) | User comments: 3

Children learn by imitating adults—so much so that they will rethink how an object works if they observe an adult taking unnecessary steps when using that object, according to a Yale study today in Proceedings ...


Scientists propose explanation for out-of-body experiences

August 23, 2007 | User rating: 4.2 / 5 after 62 vote(s) | No comments yet

Using virtual reality goggles to mix up the sensory signals reaching the brain, scientists have induced out-of-body-like experiences in healthy people, suggesting a scientific explanation for a phenomenon often thought to ...


Researchers discover human embryonic stem cells are the ultimate perpetual fuel cell

July 11, 2007 | User rating: 4.6 / 5 after 52 vote(s) | No comments yet

A startling discovery on the development of human embryonic stem cells by scientists at McMaster University will change how future research in the area is done.


Do women really talk more than men?

July 05, 2007 | User rating: 3.3 / 5 after 26 vote(s) | No comments yet

Refuting the popular stereotype that females talk more than men, researchers at The University of Texas at Austin have found women and men both use an average of 16,000 words each day.


Men worry more about penile size than women says six-decade research review

May 31, 2007 | User rating: 3.1 / 5 after 46 vote(s) | User comments: 1

Women are much more interested in a man’s personality and looks than the size of his penis, but men can experience real anxiety even if they are average sized, according to a research review published in the June issue of ...


Drinking 4 or more cups of coffee a day may help prevent gout

May 25, 2007 | User rating: 4 / 5 after 27 vote(s) | No comments yet

Long-term study links increased coffee consumption to decreased risk of gout in men over age 40
Coffee is a habit for more than 50 percent of Americans, who drink, on average, 2 cups per day. ...


Moral judgment fails without feelings

March 21, 2007 | User rating: 4.3 / 5 after 51 vote(s) | No comments yet

Consider the following scenario: someone you know has AIDS and plans to infect others, some of whom will die. Your only options are to let it happen or to kill the person. Do you pull the trigger?


Nagging Spouse? You May Have An Excuse For Not Responding

February 13, 2007 | User rating: 4.5 / 5 after 62 vote(s) | No comments yet

New research findings now appearing online in the Journal of Experimental Social Psychology began with a professor's desire to understand why her husband often seemed to ignore her requests for help around the house.


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