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Although the efficiency of organic solar cells has now risen to more than 20%, there are physical limits that make it difficult to further increase their performance. A research team from Linköping University in Sweden, the University of Potsdam, the Paul-Drude-Institut in Berlin

While US inflation rate fell in June, concerns remain over prices rising again due to the renewed conflict in the Middle East.

Brent crude dips slightly below $78 a barrel; most Asian stock markets bounce backBritain’s second-biggest drugmaker GSK has also taken a hit from recent drug failures.The Californian biotech Alector has said that GSK has ended their neuroscience collaboration covering ​two experimental antibody drugs, after both drug candidates suffered setbacks in clinical trials.The CARDIO-TTRansform trial was designed to examine the role of Wainua, a gene silencer treatment, on top of today’s stand