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A rare side effect of standard treatments for the disease, scientists have explained Parkinson's patients'' risky behavior.

The finding, according to researchers, has implications for future medication of patients.

The treatments, which work by increasing dopamine signaling in the brain, can trigger highly risky behaviors, known as ''impulsive-compulsive spectrum behaviors'' (ICBs) in approximately 5-10 percent of patients.

According to media reports, Stem cells helped scientists restore the vision of 82 people with eyes blinded by chemical or heat burns.

Graziella Pellegrini at the University of Modena in Italy, according to New Scientist, has reported that of the 107 eye patients treated, some as long as a decade ago, the successful cases had sight restored to a level up to 0.9 on a visual acuity scale, in which 1 represents perfect vision.

For patients who had burns only in one eye, researchers treated them with corneal stem cells extracted from their good eye.

A new type of touch screen has been reported that could be less expensive and more durable.

Researchers in South Korea and Japan have claimed that they can make large pieces of graphene films, up to 30 inches long, for touch screen phones and flat panel TVs.

Discovery News has reported that most touch screens in phones are now made with indium tin oxides (ITO).

It has been reported that the ITO's greatest asset is that it's transparent, but it comes with a cost, ITO is exceedingly expensive, because it's made of rare materials.

According to the reports, scientists have unraveled the neural mechanisms in the brain that are linked with "courage."

The study provides fascinating insight into what happens in the brain when an individual voluntarily performs an action opposite to that promoted by ongoing fear.

The results, in fact, may even lead to new treatment strategies for those who exhibit a failure to overcome their fear.

According to the reports, the World Bank is committed to supporting India's development agenda as is evident from the record annual lending of 9.3 billion dollars for the current financial year.

The total expected lending this year includes 2.6 billion dollars as interest-free credits from the International Development Association (IDA) and 6.7 billion dollars in the form of long term, low interest loans from International Bank of Reconstruction and Development (IBRD), the World Bank website has revealed.

A new research has suggested that using ginkgo biloba extract for long-term can lessen the risk of Alzheimer's disease by 47 percent.

In the French GuidAge research, research groups of elderly people with memory complaints were randomly assigned 240 milligrams on a daily basis of ginkgo extract, or a placebo, to be taken every day.

Researchers discovered that four years later, 29 out of 966 people who were given the placebo developed Alzheimer's disease as compared with 15 out of 947 of the subjects who took the ginkgo extract EGb 761.