science newsletter: Science News SciGuru.com

Τετάρτη 14 Αυγούστου 2013

Science News SciGuru.com

Wireless devices go battery-free with new communication technique
Tumour suppressor is needed for stem cells to mature into neurons
Exercise helps with better brain functioning in HIV-infected adults
DHA-enriched formula in infancy linked to positive cognitive outcomes in childhood
Stroke declines dramatically, still higher among Mexican Americans

Wireless devices go battery-free with new communication technique

Posted: 13 Aug 2013 01:23 PM PDT

We might be one step closer to an Internet-of-things reality. University of Washington engineers have created a new wireless communication system that allows devices to interact with each other without relying on batteries or wires for power.

Tumour suppressor is needed for stem cells to mature into neurons

Posted: 13 Aug 2013 11:49 AM PDT

The previously proposed tumour suppressor CHD5 is essential for making nervous system stem cells mature into neurons, according to a new study from Karolinska Institutet. The finding, which is published in the journal Developmental Cell, provides valuable information about how neurons mature and shows why the loss of CHD5 can make tumours of the nerve system more malignant.

Exercise helps with better brain functioning in HIV-infected adults

Posted: 13 Aug 2013 09:56 AM PDT

Regular exercise is not only good for health, but can give people living with HIV a significant mental boost. This is according to a study by Dr. David J. Moore and colleagues at the University of California, San Diego (UCSD), published in Springer’s Journal of NeuroVirology. The study found that HIV-infected adults who exercise suffered significantly less neurocognitive impairment compared to patients who do not exercise.

DHA-enriched formula in infancy linked to positive cognitive outcomes in childhood

Posted: 13 Aug 2013 09:52 AM PDT

University of Kansas scientists have found that infants who were fed formula enriched with long-chain polyunsaturated fatty acids (LCPUFA) from birth to 12 months scored significantly better than a control group on several measures of intelligence conducted between the ages of 3 to 6 years.

Stroke declines dramatically, still higher among Mexican Americans

Posted: 13 Aug 2013 09:41 AM PDT

The incidence of ischemic stroke -- the most common type of stroke caused by a clot in the blood vessels of the brain -- has declined over the past decade among non-Hispanic Whites and Mexican Americans over age 60.

The findings by the University of Michigan Health System were published today in the Annals of Neurology, a journal of the American Neurological Association and Child Neurology Society.

Despite the decline, the relative burden of stroke is unchanged and remains higher among Mexican Americans.