New research conducted at The Scripps Research Institute shows that this road atlas undergoes constant revisions as the brain of a young animal develops, with new routes forming and others dropping away in a matter of hours. "We have shown that the connectome is dynamic during development, but we expect it will also change according to an individual's experience and in response ... Continue Reading
The world can be powered by alternative energy, using today's technology, in 20-40 years
If someone told you there was a way you could save 2.5 million to 3 million lives a year and simultaneously halt global warming, reduce air and water pollution and develop secure, reliable energy sources - nearly all with existing technology and at costs comparable with what we spend on energy today - why wouldn't you do it? According to a new study coauthored by Stanford ... Continue Reading
Mindfulness meditation training changes brain structure in 8 weeks
Participating in an 8-week mindfulness meditation program appears to make measurable changes in brain regions associated with memory, sense of self, empathy and stress. In a study that will appear in the January 30 issue of Psychiatry Research: Neuroimaging, a team led by Massachusetts General Hospital (MGH) researchers report the results of their study, the first to ... Continue Reading
Blood-vessel cells can combat aggressive tumors
Endothelial cells embedded in a scaffold made of collagen. The cell nuclei are blue, and actin inside the cells shows up as red. (Joseph Franses) MIT scientists have discovered that endothelial cells, which line the blood vessels, secrete molecules that suppress tumor growth and keep cancer cells from invading other tissues, a finding that could lead to a new way to treat ... Continue Reading
Airborne prions are infectious; precautionary measures advised
Histoblot analysis of brain tissue from mice exposed to prion aerosols (PLoS Pathogens) Airborne prions are also infectious and can induce mad cow disease or Creutzfeldt-Jakob disorder. This is the surprising conclusion of researchers at the University of Zurich, the University Hospital Zurich and the University of Tübingen. They recommend precautionary measures for ... Continue Reading