Scientists researching Alpine glaciers store ice in Antarctica. By analysing air bubbles in the ice they may be able to predict the future ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.
2022卡塔尔世界杯进行至了两周,爆出了不少冷门。在揭幕赛上,东道主卡塔尔0比2败于厄瓜多尔。而在另一场小组赛中,沙特阿拉伯逆转击败两届 ...