Solar energy can be stored by converting it into hydrogen. But current methods are too expensive and don't last long. Using commercially available solar cells and none of the usual rare metals, researchers at EPFL and CSEM have now designed a device that outperforms in stability, efficiency and cost.
A large international study of more than 200,000 people in nearly 50 countries has revealed that people with psychosis engage in low levels of physical activity, and men with psychosis are over two times more likely to miss global activity targets compared to people without the illness.
UAB doctors say new research is showing that patients who suffer from isolated mitral valve regurgitation may need surgery before symptoms appear.
The world population will reach 9.9 billion in 2050, up 33 percent from an estimated 7.4 billion now, according to projections included in the latest World Population Data Sheet from the Population Reference Bureau (PRB). The world population would hit the 10 billion mark in 2053 if the assumptions underlying PRB's 2050 projections are applied to subsequent years.
Scientists have discovered the cause of the recent run of miserable wet summers as they begin to unravel the mysteries of the Atlantic jet stream.
New research suggests that Pennsylvania residents with the highest exposure to active natural gas wells operated by the hydraulic fracturing ('fracking') industry are nearly twice as likely to suffer from a combination of migraine headaches, chronic nasal and sinus symptoms and severe fatigue.