ScienceDaily: Health & Medicine News |
- Key to aging? Key molecular switch for telomere extension by telomerase identified
- New magnetic-field-sensitive alloy could find use in novel micromechanical devices
- Dreaming takes the sting out of painful memories
- DNA system developed to identify and authenticate plant species
- Discovery of a new muscle repair gene
- Psychopaths' brains show differences in structure and function
| Key to aging? Key molecular switch for telomere extension by telomerase identified Posted: 23 Nov 2011 10:35 AM PST Researchers have described for the first time a key target of DNA damage checkpoint enzymes that must be chemically modified to enable stable maintenance of chromosome ends by telomerase, an enzyme thought to play a key role in cancer and aging.  |
| New magnetic-field-sensitive alloy could find use in novel micromechanical devices Posted: 23 Nov 2011 10:35 AM PST A multi-institution team of researchers has combined modern materials research and an age-old metallurgy technique to produce an alloy that could be the basis for a new class of sensors and micromechanical devices controlled by magnetism.  |
| Dreaming takes the sting out of painful memories Posted: 23 Nov 2011 10:33 AM PST They say time heals all wounds, and new research indicates that time spent in dream sleep can help. Researchers have found that during the dream phase of sleep, also known as REM sleep, our stress chemistry shuts down and the brain processes emotional experiences and takes the painful edge off difficult memories.  |
| DNA system developed to identify and authenticate plant species Posted: 23 Nov 2011 10:29 AM PST Biologists have developed a method which can detect the use of illegal or counterfeit plants in medicine and could also be used to boost conservation by identifying and monitoring the exploitation of endangered plant species.  |
| Discovery of a new muscle repair gene Posted: 23 Nov 2011 10:28 AM PST Scientists have presented new findings regarding the function of muscle stem cells. Researchers investigated several families with children suffering from a progressive muscle disease. Using a genetic analysis technique known as "next generation sequencing" the scientists identified a defective gene called MEGF10 responsible for the muscle weakness.  |
| Psychopaths' brains show differences in structure and function Posted: 22 Nov 2011 08:09 PM PST Images of prisoners' brains show important differences between those who are diagnosed as psychopaths and those who aren't, according to a new study.  |
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