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| Medicine articles |
Low self-esteem? Avoid crime novels with surprise endings
Not everyone enjoys a murder mystery with a surprise ending, new research suggests. People who have lower levels of self-esteem prefer crime and detective stories that confirm their suspicions in the end, while those with higher self-esteem enjoy a story that goes against expectations.
One-off treatment to stop back pain
A University of Manchester researcher has developed a treatment for lower back pain using the patient's own stem cells, which could replace the use of strong painkillers or surgery that can cause debilitation, neither of which addresses the underlying cause.
Learning during sleep?
If I can't remember this morning where I put my car keys last night, it's due to my memory failing me again. Scientists at the Max Planck Institute for Medical Research in Heidelberg have been investigating how memories might be consolidated. Their new study offers the hitherto strongest proof that new information is transferred between the hippocampus, the short term memory area, and the cerebral cortex during sleep.
Brain wave changes in adolescence signal reorganization of the brain
Brain wave changes in adolescence are related to age, not sexual maturation, and may be associated with one of the brain's major reorganization projects: synaptic pruning, a new study finds.
Taste test may identify best drugs for depression
New research has shown that it might be possible to use taste as an indicator as to whether someone is depressed, and as a way of determining which is the most suitable drug to treat their depression.
Found – the apple gene for red
CSIRO researchers have located the gene that controls the colour of apples – a discovery that may lead to bright new apple varieties.
Changes in men's testosterone levels predict competitiveness after a loss
After a man loses a challenge, whether or not he is willing to get back into the game depends on changes in his testosterone levels, according to new research at The University of Texas at Austin.
The message in advertising is irrelevant
Creativity and emotion are what makes advertising successful, not the message it is trying to get over, new research shows.
Why we never forget a face?
Are you one of those people who never forgets a face? New research from Vanderbilt University suggests that we can remember more faces than other objects and that faces "stick" the best in our short-term memory. The reason may be that our expertise in remembering faces allows us to package them better for memory.
Prevent cancer, use olive oil
If you want to avoid developing cancer, then you might want to add eating more olive oil to your list of New Year's resolutions. In a study to be published in the January 2007 issue of The FASEB Journal, scientists from five European countries describe how the anti-cancer effects of olive oil may account for the significant difference in cancer rates among Northern and Southern Europeans.
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Laugh and the whole world laughs with you
Cricket commentator Jonathan Agnew's description of Ian Botham's freak dismissal, falling over his own stumps – "He couldn't quite get his leg over" – was all it took to send himself and the late Brian Johnston into paroxysms of laughter. Laughter is truly contagious, and now, scientists studying how our brain responds to emotive sounds believe they understand why.
Mandarin language is music to the brain
It's been shown that the left side of the brain processes language and the right side processes music; but what about a language like Mandarin Chinese, which is musical in nature with wide tonal ranges?
Study finds gender differences related to eating and body image
Researchers have discovered a subtle new difference between men and women – this one occurring in the realm of eating.
Team discovers gene mutation for milk tolerance in africans
A discovery by an international team led by University of Maryland researcher Sarah Tishkoff identifies, for the first time, genetic mutations in East Africans that are associated with the ability to digest milk as adults.
How learning influences smell
The smell of an odor is not merely a result of chemical detection but is also influenced by what the smeller learns about the odor. Now, researchers have discovered how such "perceptual learning" about an odor influences processing of information from the purely olfactory chemical detection system.
Researchers use stem cells to regenerate parts of teeth
A multi-national research team headed by USC School of Dentistry researcher Songtao Shi, DDS, PhD, has successfully regenerated tooth root and supporting periodontal ligaments to restore tooth function in an animal model. The breakthrough holds significant promise for clinical application in human patients.
Stem cell activity deciphered in the aging brain
Neurobiologists have discovered why the aging brain produces progressively fewer new nerve cells in its learning and memory center. The scientists said the finding, made in rodents, refutes current ideas on how long crucial "progenitor" stem cells persist in the aging brain.
Memory experts show sleeping rats may have visual dreams
Memories of our life stories may be reinforced while we sleep, MIT researchers report Dec. 17 in the advance online edition of Nature Neuroscience.
Protein that kills cells also important for memory
A protein known primarily for its role in killing cells also plays a part in memory formation, researchers at the University of Illinois at Urbana-Champaign report. Their work exploring how zebra finches learn songs could have implications for treatment of neurodegenerative conditions such as dementia and Alzheimer's disease.
What it means to be human?
Approximately six per cent of human and chimp genes are unique to those species, report scientists from the University of Bristol and three other institutions.
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| Quotes | By convention!
cussed Tom airily.
Cmon Scully... Itll be a nice trip through the woods-Fox Mulder
But what ... is it good for?
Engineer at IBM, 1968, commenting on the microchip.
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