也许出于这样的原因，克勒在出任总统时并不“安分守己”，而是乐于介入日常政治事务。也正因此，他总给政府的人带来“意外”。例如，虽然签署了一项航空安全法，但也建议宪法法院对其进行审查，结果宪法法院推翻了这项授权在紧急情况下击落客机的法律。此外，他甚至没有 ...

Scientists researching Alpine glaciers store ice in Antarctica. By analysing air bubbles in the ice they may be able to predict the future ...

Spring Festival has become a very important window for Chinese culture to "go global". It tells the world not to be afraid of ...