Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

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

坦率地说，从历史上看，除了二战期间以外，澳大利亚几乎总是在帮别人打仗。无论是一战中的加里波利（注：土耳其一地名），还是越南、阿富汗或伊拉克，都是如此。所以我不认为澳大利亚学会了平衡的艺术。