ScienceDaily: Top Science News |
- Poor sleep in old age prevents the brain from storing memories
- Cities affect temperatures for thousands of miles
- Toward 2-D devices: Single-atom-thick patterns combine conductor and insulator
- Patients' own skin cells are transformed into heart cells to create 'disease in a dish'
| Poor sleep in old age prevents the brain from storing memories Posted: 27 Jan 2013 10:42 AM PST The connection between poor sleep, memory loss and brain deterioration as we grow older has been elusive. But for the first time, scientists have found a link between these hallmark maladies of old age. Their discovery opens the door to boosting the quality of sleep in elderly people to improve memory.  |
| Cities affect temperatures for thousands of miles Posted: 27 Jan 2013 10:42 AM PST Even if you live more than 1,000 miles from the nearest large city, it could be affecting your weather. New research shows that the heat generated by everyday activities in metropolitan areas influences major atmospheric systems, raising and lowering temperatures over thousands of miles.  |
| Toward 2-D devices: Single-atom-thick patterns combine conductor and insulator Posted: 27 Jan 2013 10:42 AM PST Scientists have created a process to make patterns in atom-thick layers that combine a conductor -- graphene -- and an insulator -- hexagonal boron nitride. The process may lead to new possibilities for two-dimensional electronics.  |
| Patients' own skin cells are transformed into heart cells to create 'disease in a dish' Posted: 27 Jan 2013 10:42 AM PST Researchers have unveiled the first maturation-based "disease in a dish" model for arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C). The model was created using induced pluripotent stem cells and a new method to mimic metabolic maturity. This model is likely more relevant to human ARVD/C than other models and therefore better suited for studying the disease and testing new treatments.  |
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