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.

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

欢迎收看本期《派评》。如果发现了其它感兴趣的 App 或者关注的话题，也欢迎在评论区和我们讨论。本期目录 Showly：数据更全面的开源影视记录工具 Default Browser：用快捷键切换默认浏览器 Cobalt：开源在线影音下载工具 ...