再过两周，《美国队长4》（Captain America: Brave New World）即将在中美等多个国家或地区上映。近日，饰演新任美国队长山姆·威尔逊的安东尼·麦凯（Anthony ...

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